142 results about "Banana Plant" patented technology

The invention discloses paecilomyces lilacinus and an application thereof. The provided paecilomyces lilacinus refers to paecilomyces lilacinus E16 with a register number of CGMCC No.5951 in the common microorganism center of the China microorganism culture preservation management committee. According to the paecilomyces lilacinus E16, in potting experiments, the control effect on second-instar banana root-knot nematodes is 86.37%, the growth rate to banana root weight is 37.76%, the growth rate to banana plant height is 56.47%, the growth rate to overground parts of banana is 38.03%; and in area experiments, the control effect on banana root-knot nematodes is 83.03% and the growth rate to banana fruit is 28.05%.

The invention relates to Pseudomonas aeruginosa FJAT-346 which is obtained by separating and screening an endosymbiotic bacterium in banana plants cultivated in fields with serious banana blight and has biologic al control action. The stain is Pseudomonas aeruginosa FJAT-346 and is used for preparing a fermentation liquid capable of controlling banana blight. The invention has the advantages that the endosymbiotic bacterium FJAT-346 is obtained by separating from the endosymbiotic bacterium in the banana plants, the fermentation liquid being capable of controlling banana blight and being prepared by using the stain has excellent inhibition action on banana blight bacteria, and the preparation process of the fermentation liquid is simple; and what's more important, the fermentation liquid is completely harmless and has good production application prospect.

The invention relates to the new technical field of disease control during plant cultivation, in particular to a cultivation management method for controlling banana wilt. The cultivation management method comprises the following steps: turning up the soil of a banana plantation and drying the soil in the sun for 7 to 10 days before banana seedlings are planted; selecting banana seedlings which pass quarantine inspection as seedlings; selecting 30 percent metalaxyl-hymexazol as a disinfecting and disease preventing agent for early, middle and later stage management of banana plants, absorbing and solidifying a disinfectant prepared from the metalaxyl-hymexazol by using a water-retaining agent to obtain a solid disinfectant, distributing the solid disinfectant at the peripheries of roots of the planted banana seedlings to make the solid disinfectant slowly release the disinfectant to eliminate pathogenic bacteria in the soil, wherein the disinfecting effect can last for 1 to 2 months; irrigating the disinfectant every two months, absorbing and storing the disinfectant by using a water-retaining agent, and continuously disinfecting for 1 to 2 months; and after the roots of banana plants are irrigated with the disinfectant each time, spraying the disinfectant onto the whole banana plants until banana fruits are harvested.

The invention relates to a biological control method and a biocontrol agent for banana vasicular wilt, pertaining to the field of biological control over banana vasicular wilt. The method comprises following steps: colonizing antagonistic bacteria of vasicular wilt during transplant of banana tissue culture seedlings, colonizing antagonistic bacteria of vasicular wilt during transplant of banana seedling land, and colonizing antagonistic bacteria of vasicular wilt during growth of banana plants. The biocontrol agent is an antagonistic compound microorganism bacterium agent for banana vasicular wilt and antagonistic bio-organic fertilizer for banana vasicular wilt. The compound microorganism bacterium agent is prepared by compound of two or multiple kinds from five agents including azotobacter chroococcum YKT41, burkholderia vietnamiensis P418, bacillus megaterium Ap25, trichoderma viride LTR-2 and trichoderma harzianum T110W. The bio-organic fertilizer is prepared by 5-25% of the compound microorganism bacterium agent, 10-30% of protein residues, 5-300% of lignite, 10-25% of biochemical fulvic acid, 10-35 % of biogical charcoal and added with 0.5-2.5% of calcium carbonate according to the above mixture. The biological control method and the biocontrol agent for banana vasicular wilt have following advantages: the biological control method and the biocontrol agent helps effectively prevent and control infection and morbidity of bacteria for banana vasicular wilt and are eco-friendly; and the method is easy and convenient.

The invention relates to the technical field of biology, and particularly provides a Bacillus amyloliquefaciens strain named Bacillus amyloliquefaciens GKT04 (CCTCC NO: M2016784), a screening method of the Bacillus amyloliquefaciens GKT04, application of the Bacillus amyloliquefaciens GKT04 in inhibiting Banana vascular wilt, and a Bacillus amyloliquefaciens GKT04 microbial inoculant. The microbial inoculant has favorable preventing and treating effects on Banana vascular wilt, has long-time preventing actions, and is environment-friendly. Compared with other soil biocontrol bacteria, the strain can be stably colonized in the banana plant, is slightly influenced by the external environment, and can directly interact with pathogenic bacteria, thereby providing comprehensive and effective protection for plants. The experimental investigation detects that the strain can obviously promote growth of the banana plants.

The invention discloses a cultivation method of preventing banana continuous cropping obstacle in banana-rice-pineapple crop rotation, which comprises that a banana plantation with serious banana continuous cropping obstacle is cleaned away; base fertilizer is put into the banana plantation; water is irrigated into the banana plantation and the plantation is harrowed; on July of the first year, rice is began to be planted; after the rice is harvested, water is drained and the field is dried; the soil is plowed and base fertilizer is put into the field; on January of the second year, pineapple is planted; after the pineapple is harvested, the soil is plowed; planting holes are dug and base fertilizer is put into the planting holes; and on July of the third year, banana is planted again. By circulating this cropping rotation method for 1 to 2 weeks, the banana continuous obstacle can be prevented effectively; the micro-ecological environment of banana plant roots is improved; the banana is promoted to grow; the use of farm chemical is reduced; the production cost of the banana is reduced and the use rate of farmland is increased; and the economic benefit is increased.

The present invention relates to pathogenic resistance. More particularly the present invention relates to polynucleotide and polypeptide sequences involved in the resistance mechanism of banana plants to fungal pathogens particularly, the soil born Fusarium fungi. Two banana resistance genes, RGA5 and RGA2 are isolated and characterised. The invention also relates to the use of these sequences for modulating plant resistance and for producing genetically modified plants having modified pathogen resistance characteristics.

The invention discloses a planting method of selenium-rich bananas. The planting method comprises the steps of pretreatment of soil, wherein the soil is sterilized with an ultraviolet germicidal lamp and fertilized with selenium-rich organic fertilizer, planting, sunshading to protect seedlings, fertilization and management, intercropping, banana plant infusion, wherein at the beginning of August, a hole is processed in banana plant cauloid base portions downward in a inclined mode at 45 degrees, the liquid outlet of an infusion bottle is connected to an infusion tube, a plug on the other end of the infusion tube is inserted into the processed hole, the infusion bottle is suspended on a banana plant, and the infusion bottle is filled with selenium-rich amino acid nutrition liquid which is prepared from, by weight, 3-5 parts of selenocystine, 2-4 parts of selenomethionine, 4-5 parts of selenocysteine, 5-7 parts of methylselenocysteine, 6-8 parts of selenohomocysteine, 3-5 parts of honey, 2-3 parts of selenosulfate and 300 parts of water, and pest and disease control. The planting method can improve the survival rate of the banana plant, promote absorption of bananas to selenium elements, increase the selenium content of the bananas and remarkably improve the economic benefits of planting bananas.

The invention discloses a banana lodging-proof support and a support net formed by utilizing the structure of the banana lodging-proof support. The support net is provided with at least two concrete poles and at least one pulling wire; due to the arrangement of the pulling wire, the pulling wire is fixed with a position which is 10-35 cm under a main stem of a banana plant in a crossed way, stable supporting and balance of the pulling wire on the banana plant is obtained, and the banana plant is prevented from tilting due to a strong wind or being broken off due to heavy weight of fruits. According to the support net disclosed by the invention, the plants in one line at least need two concrete poles and one pulling wire, the structure is very simple, the installation is convenient, too many sundries cannot be generated, and the problems of a traditional support are solved; meanwhile, crossed fixation of the pulling wire can be selectively arranged at the upper part, the middle part and the lower part of each plant, and the stability is increased; the support net is formed by connecting multiple supports in the crossed way, the concrete poles and the pulling wires of a field of bananas can be connected into a whole, thus the mutual traction and connection between the concrete poles, between the pulling wires and between the plants can be realized, the structure is more stable, and the lodging and the breaking caused by the strong wind can be resisted.

The invention discloses a banana planting method and belongs to the field of fruit planting. The banana planting method comprises the different stages of culturing seedlings, digging pits, selecting the seedlings and backfilling the pits. The tissue culturing rapid propagation technology is adopted in the stage of culturing the seedlings. In the stage of digging the pits, fixed point line drawing and pit digging are carried out with the field planting line distance of 2*2 m, in a mountain region banana garden, the field planting pits is deepened and enlarged properly, and the length, the width and the depth respectively range from 0.6 m to 0.8 m; in a flat banana garden, the field planting pits also need to be dug, and the width, the length and the depth respectively range from 0.4 m to 0.6 m. The selected banana seedlings are deep green in leaf, have developed roots, are 15 to 20 centimeters in height, have five to six young leaves and have no diseases or inset pests. According to the stage of backfilling the pits, pit digging and base fertilizer application need to be carried out simultaneously, the interiors of the pits are respectively covered by a layer of thin infertile soil firstly, and backfilled soil mounds need to be higher than the ground by 10 to 20 cm. The banana planting method is scientific and reasonable, the survival rate of banana planting is improved, the yield is improved, and thus larger economic benefits are achieved.

This invention relates to the use of an ethylene synthesis or perception inhibitor for treating stressed or unstressed banana plant or plant parts in the field prior to harvest. Because the pre-mature ripening is triggered by ethylene produced by the plant, such inhibitor can be sprayed or gassed on the fruit while it is in the plantation (on the tree) to protect and avoid the pre-mature ripening of fruit left on for the full growth period of 12-14 weeks (instead of 11 weeks or less). The invention, therefore, enables the banana growers to leave the fruit on the tree for the full growth period (even under certain stress), thereby gaining a yield benefit without the problem of pre-mature ripening in transit.

The invention discloses a plantation method for high yield of bananas. The plantation method comprises the following steps of selecting a land with deep soil layer, great drainage property and having a Ph value of 5.0 to 7.0, fixed planting banana seedlings including selecting seedlings, setting broadcasting time and choosing a fixed plantation method, managing a seedling period including mixing farmyard manure with water to form mixed liquid and spraying the mixed liquid onto the soil, covering fine soil on banana plants with fertilizer application and watering the banana plants, managing the intermediate and strong seedling period including applying leaf fertilizer to banana seedling leaf surfaces each 10 to 15 days, and managing the growth period. The leaf fertilizer is formed by the following components of 0.5% to 0.8% of urea, 0.7% to 0.9% of monopotassium phosphate, 0.08% to 0.12% of compound nucleotide, 0.08% to 0.10% of boric acid, 0.02% to 0.08% of borax and 0.3% to 0.7% of magnesium sulfate. By the use of the plantation method, the bananas have great disease resisting property, high survival rate, fast growth speed and high fruiting rate; banana output can be greatly improved; and income of banana farmers can be increased.

The invention relates to a method for controlling banana wilt. The method comprises the steps of: spraying stems and roots with nutrient solution containing 0.05-0.3mg / L of naphthylacetic acid, 0.2-0.3% of borax solution and 2-6% of MgSO4 for 600-800ml / plant, and after yellow leaves become green, spraying the nutrient solution for 300-500ml / plant and 2-3 times at every 8-12 days; after the disease is improved, spraying the stems and the roots with nutrient solution containing 0.2-0.3% of borax solution and 2-6% of MgSO4 for 300-500ml / plant and 5-8 times at every 15-20 days. In order to control the disease after 2-3 years, magnesium fertilizers and boric fertilizers can also be applied for soil of each banana plant. The method has the advantages that the banana wilt can be effectively controlled according to the internal cause of the banana wilt, and the diseased leaves become green in a faster manner, so that the yield is increased and the disease can be continuously controlled for 2-3 years.

The invention discloses a banana plant anti-wind planting method. Banana plants are cultivated in Hainan, Guangdong, Fujian, Taiwan and other provinces of China and countries of Southeast Asia in large area, the mentioned areas are all hit by typhoons frequently, and lodging will occur to the banana plants every time the typhoons come. At present, according to the method for resisting wind and the lodging, anti-wind poles are inserted into soil, the banana plants and the anti-wind poles are fixed together to resist the typhoons, but effects are not ideal when only the anti-wind poles are adopted to resist wind. According to the banana plant anti-wind planting method, vertical bars are used as fixtures, the banana plants and the vertical bars are fixed together, then the vertical bars are connected through ropes or cross bars, and the vertical bars of a whole banana field are bound to form a whole. Through the binding among the vertical bars, wind power is borne by all the banana plants in the whole banana field in a scattered mode, and the anti-wind capacity of the banana plats is improved greatly. The method is low in cost, simple in mode, higher in anti-wind capacity compared with a traditional mode, and easy to popularize and use.

The invention relates to a method for preparing an organic fertilizer special for banana fruit trees by using fresh tobacco plant waste of flue-cured tobacco fields. The method comprises the following steps of: (1) collecting and cutting the tobacco plant waste, spraying bacillus licheniformis liquid for fermentation, stacking, filming for heat preservation, turning stacks and air-drying to obtain a fresh tobacco plant waste solid product and a liquid product after preliminary solid fermentation; and (2) uniformly mixing the fresh tobacco plant waste solid product after fermentation and dry chicken manure according to a weight ratio of 35-40:65-60, spraying a zymocyte agent which mainly contains lactobacillus, yeast and photosynthetic bacteria, uniformly stirring and filling in a sealed bag to perform sealed natural fermentation so as to obtain an organic fertilizer product after secondary fermentation. The method has the advantages of low pollution, clean tobacco fields, less tobacco plant diseases, low cost of the organic fertilizer, obvious increase in production of banana, capabilities of improving soil structure, improving land fertility and facilitating heavy metal degradation in plants, improved cold resistance, drought resistance, lodging resistance and resistance to disease and insect of banana plants and high fruit quality.

The invention discloses a method for detecting the banana bunchy top virus by utilizing IC-LAMP and also discloses an LAMP primer set. The primer set comprises an inner primer pair and an outer primer pair. The outer primer pair is BBTV-F3 / BBTV-B3 and the sequence of the outer primer pair is show in SEQ ID NO.1-2. The inner primer pair is BBTV-FIP / BBTV-BIP and the sequence of the outer primer pair is show in SEQ ID NO.3-4. According to the technical scheme of the invention, the serology and the LAMP are combined. Firstly, a virus particle is captured by a specific BBTV antiserum, and then the LAMP amplification and the BBTV detection are conducted with the virus particle as a template by using the above primer set. The method provides a simple, sensitive, specific and rapid detection technology for detecting BBTV in banana plants, absorptive buds and bud tissue culture seedlings. The method is simple in operation, good in specificity and high in sensitivity. The method can be applied to the detection and the identification of BBTV to monitor the occurrence, the diffusion and the propagation of BBTV.

The invention provides a banana support integrated device capable of enhancing the strong wind resistance and lodging resistance of banana plants in a banana orchard. The banana support integrated device is composed of the banana plants and a bamboo frame formed by vertical rods, horizontal connecting rods and diagonal rods, wherein the horizontal connecting rods are arranged longitudinally and transversely, and the diagonal rods intersect longitudinally and transversely. The lower portions, the middle portions and the bottoms of the banana plants are firmly bound to the vertical rods, the upper ends of the banana plants are firmly bound to the horizontal connecting rods in the transverse direction through nails, and then the banana plants are firmly connected with the horizontal connecting rods in the longitudinal direction and the diagonal rods intersecting longitudinally and transversely, so that the stability of the frame is enhanced, and the breaking resistance and lodging resistance of the banana plants are enhanced. Compared with the prior art that independent vertical rods are buried for banana production, the banana support integrated device has the prominent advantages that the lodging resistance and breaking resistance of the banana plants can be improved remarkably, and blades can be protected against breakage to some extent; when the device is applied to the banana orchard in a banana producing area where strong wind is frequent and wind disasters are serious, the device can effectively resist the strong wind and remarkably lower the risk that the wind disasters cause severe loss.

The invention discloses a banana thrip and odoiporus longicollis oliver prevention and control method. According to banana thrip prevention and control, during the squaring stage of banana plants, 70% imidacloprid water dispersible granule 200-fold liquid or 22.4% spirotetramat suspending agent 200-fold liquid is selected, a back barrel type special pesticide application device is used for injecting liquid pesticide into banana cauloids, and 20 ml of the liquid pesticide is injected into each banana plant. According to odoiporus longicollis oliver prevention and control, when odoiporus longicollis oliver causes harm, 48% chlorpyrifos missible oil 200-fold liquid is selected, the back barrel type special pesticide application device is used for injecting the liquid pesticide into the banana cauloids, and 20 ml of the liquid pesticide is injected into each banana plant. The back barrel type special pesticide application device is formed by a back barrel, a continuous drencher, a soft tube and an injection needle tube. The method has the advantages that the pesticide application amount is saved, the purposes of reducing the pesticide amount and ensuring the prevention effect are achieved simultaneously, pollution to the environment is reduced, pesticide application labor intensity is reduced, labor cost is saved, operation is convenient, pesticide application is free from limitation of weather conditions, and toxicity of the applied pesticide is reduced.

The invention discloses a degraded lake restoration method which comprises the following steps: building an artificial wetland surround a degraded lake; establishing aquatic plants along the bank of the degraded lake, wherein the aquatic plants adopt one or any combination of lotus, reed, cattail, calamus, banana-plant, water chestnut, gorgon fruit, canna, pontederia cordata, Chinese pennisetum, scirpoides holoschoenus, rhizoma alismatis, ottelia acuminate, tape grass, hornwort, ottelia alismoides, hydrilla and duckweed; adding a flocculating agent into the degraded lake, wherein the adding amount of the flocculating agent is 20 to 300 g per cubic meter, the flocculating agent comprises polymeric silicate, polyaluminium chloride and polyaluminium sulfate, and the mass ratio of the polymeric silicate to the polyaluminium chloride to the polyaluminium sulfate is (0.5-2):(1-20):(1-20); putting microbial agents in the degraded lake, wherein eutrophic water-resistant animals are bred in the water. By the degraded lake restoration method, the degraded lake can be ecological restored effectively. The dissolved oxygen content of the degraded lake is obviously increased, and the chemical oxygen demand, the ammonia nitrogen content, the total phosphorus content and the total nitrogen content are obviously reduced.

The invention discloses a high-yield and high-quality cultivation method for an anti-wilt banana variety. The method comprises the steps that the low-order planting anti-wilt banana variety is adopted for tissue culture seedlings; when the low order means soil preparation or planting, the ground of a planting hole is lower than a garden bed face, a step is formed, the paddy field banana garden level difference is 8-15 cm, and the mountain land banana garden is 14-22 cm; when banana plant corms begin to appear, earthing is performed to protect corms, and root growth is promoted. During early spring planting, the low planting density is adopted, plants can fruit earlier, and plants are prevented from fruiting or being frozen in winter; in summer and autumn, high planting density is adopted for planting, the yield per unit area can be increased, and meanwhile fruit quality is not affected; paper bags and nutritional agents are used for plant ears, so that the problem that fruits become green physiologically can be solved. According to the high-yield and high-quality cultivation method customized for the anti-wilt banana variety, the culture technology can achieve high yield, good quality and high benefits and achieves the great production significance.

The invention discloses a planting method for promoting the high yield of bananas. The method comprises the steps of land pretreatment, wherein the land is ploughed three times before planting, and quick lime and farmyard manure are applied; planting, wherein hole digging and tissue culture seedling planting are carried out on rainy days or at dusk in the middle ten days of March, chitin powder and an ion exchange resin matrix are added to the bottoms of planting holes, and 300-500-fold liquid of pyroligneous liquid is sprayed in the planting holes before planting; sun shading and seedling protection, wherein shading treatment is carried out seedlings in a plantation after planting; fertilizing management, intercropping, wherein garlic is planted in the clearances between the rows of the banana seedlings in April or May; earthworm breeding in the banana plantation, wherein ditches are dug in the clearances between the columns of the banana seedlings, composted chicken manure and living earthworms are placed in the ditches and covered with straw, watering is carried out once every other 5-7 days, the water content is kept at about 30%, and 15 kg to 20 kg of earthworm feed is added into the ditches of each mu of the banana plantation every other 30-40 days; pest control is carried out. According to the method, the survival rate of banana plants can be increased, the yield of the bananas can be increased, and the economic benefits of banana planting can be remarkably increased.

The invention relates to the field of biological control, and discloses bacillus velezensis, an application thereof and a method for preventing and / or treating banana wilt. The bacillus velezensis has a relatively strong inhibition effect on fusarium oxysporum f.sp.cubense race 4 (Foc TR4), and can be used for well controling the banana wilt. In addition, the bacillus velezensis also has a very good growth promoting effect on banana plants, and can help the banana plants to grow faster and better. Moreover, the bacillus velezensis is a banana rhizosphere antagonist, cannot generate side effects or pollution problems when being used, and is safer and more environmentally friendly.

The invention discloses a plantation method for bananas. The plantation method comprises the following steps of selecting, domesticating coldness resistance, preparing before cultivation including selecting a land with deep soil layer and great drainage performance, fixed planting the banana seedlings including selecting seedlings, setting broadcasting time and choosing a fixed plantation method, managing a seedling period including mixing farmyard manure with water to form mixed liquid and spraying the mixed liquid onto the soil, covering fine soil on banana plants with fertilizer application and watering the banana plants, managing the intermediate and strong seedling period including applying leaf fertilizer to banana seedling leaf surfaces each 10 to 15 days, and managing the growth period. The leaf fertilizer is formed by the following components of 0.5% to 0.8% of urea, 0.7% to 0.9% of monopotassium phosphate, 0.08% to 0.12% of compound nucleotide, 0.08% to 0.10% of boric acid, 0.02% to 0.08% of borax and 0.3% to 0.7% of magnesium sulfate. By the use of the plantation method, the bananas have great disease resisting property, high survival rate, fast growth speed and high fruiting rate; banana output can be greatly improved; and income of banana farmers can be increased.

The invention discloses an application method for a banana fruiting-stage fertilizer and belongs to the technical field of banana planting. According to the application method for the banana fruiting-stage fertilizer, a banana fruiting stage is divided into a flower bud differentiation stage, a budding stage and a fruit swelling stage, wherein the total amount of the fertilizer applied in the flower bud differentiation stage is 270-295g / plant; and the total amount of the fertilizer applied in the budding stage is 355-375g / plant, and the total amount of the fertilizer applied in the fruit swelling stage is 138-156g / plant. The application method disclosed by the invention adopts an application method adopting an elemental substance fertilizer mainly according to nutrient requirements of a flowering fruit bearing stage and combining soil fertility condition and has the advantage of low cost, nutrient waste easily caused by application of compound fertilizer is avoided, and the banana planted by adopting the fertilizer application method disclosed by the invention has the advantages of easiness in acceleration of maturation, no crack and long shelf life.

The invention provides a method for making dwarf banana plants short and strong. The technological method comprises the steps that when field planting is completed in spring and cauloids of the dwarf banana plants are 1.0-1.3 meters high, paclobutrazol is applied to each dwarf banana plant, wherein 0.3-0.5 gram of paclobutrazol is mixed with 500-1000 milliliters of water, then the mixture of the paclobutrazol and the water is sprayed to the heads or the intersection portions of petiole base portions and the base portions of the cauloids of the dwarf banana plants, and then the dwarf banana plants grow for one month in the natural environment; then the leaf distance is obviously increased, and the paclobutrazol is applied to each dwarf banana plant for the second time, wherein 0.5-1.0 gram of paclobutrazol is mixed with 500-1000 milliliters of water, the mixture is sprayed to the heads or the intersection portions of the petiole base portions and the base portions of the cauloids of the dwarf banana plants, and the dwarf banana plants grow in the natural environment for one month; then the leaf distance is obviously increased again and the paclobutrazol is applied to each dwarf banana plant for the third time, wherein 1.0-2.0 grams of paclobutrazol is mixed with 500-1000 milliliters of water, and the mixture is sprayed to the heads or the intersection portions of the petiole base portions and the base portions of the cauloids of the dwarf banana plants. According to the method for making the dwarf banana plants short and strong, the wind resistance of the dwarf banana plants is improved, the dwarf banana plants are convenient to manage, and the yield and the quality of the dwarf banana plants are not influenced.

A pesticide composition includes at least one biologically inert carrier; and at least one ferrite or at least one doped component including at least one fixed copper compound doped with at least one compound selected from the group consisting of iron compounds, zinc compounds, magnesium compounds, calcium compounds, and combinations and / or mixtures thereof. In one embodiment, the doped component has a particle size of about 0.5 nm to about 30 microns. A method for the control of pests includes the step of applying to the pests or their growth habitat the aforementioned composition. The method also includes the control of fungal and other diseases in banana plants, by applying the aforementioned composition to their growth habitat in banana plant groves.

The invention discloses a banana plant enzyme and a preparing method thereof. The preparing method comprises the following steps: squeezing a banana stem subjected to pretreatment by a squeezer so as to obtain banana stem juice, filtering the juice and pumping the juice into an agitation tank; adding 5 to 50 percent of sweetening agent and 0.5 to 10 percent of fermentation inducer in the banana stem filtering fluid, and uniformly agitating so as to obtain mixed liquor; finally, pumping the mixed liquor in a fermentation tank for fermentation, so as to obtain the banana plant enzyme, wherein the fermentation temperature is controlled to be below 50 DEG C, and the fermentation lasts for 15 to 180 days. According to the invention, waste materials are changed into things of value, agricultural wastes, i.e. banana stems, are thoroughly utilized; the finished product banana plant enzyme is rich in a variety of nutritional ingredients such as tannin, wastes in blood can be decomposed and removed, blood circulation is promoted, catabolism in cells is assisted, cells are activated and metabolism is promoted.

The invention provides a special bio-active organic fertilizer for banana plants, comprising the following components in parts by weight: 25-35 parts of biological organic fertilizer, 3.2-5.5 parts of microbe powder, 4.5-5.5 parts of urea, 2.2-4 parts of diammonium phosphate, 5.5-6.5 parts of potassium mineral powder, 2.5-3 parts of calcium sulfate, 1.2-1.8 parts of magnesium sulfate, 0.2-1 part of zinc sulfate and 10-20 parts of clay, wherein the biological organic fertilizer is prepared in a way of processing inapplicable fresh tobacco leaves with chrysomyia megacephala larvas, the microbe powder is mixed microbe powder of Acetobacter diazotrophicus, bacillus subtilis, acillus mucilaginosus and enterobacter cloacae which are in a weight ratio of (1-3):1:0.5:0.5. With application of the special bio-active organic fertilizer for banana plants, banana leaves are fleshy, the stem part of the banana plant is thin and strong, the banana plant grow very well, harm of plant diseases and insect pests is reduced greatly, the yield can be improved by about 60% and the cultivation effect is remarkable.

The invention discloses an antagonist for plant pathogenic fungi and application of the antagonist to prevention and treatment of plant diseases. The antagonist for the plant pathogenic fungi is Ralstonia sp. BEB99 CGMCC NO.6024. The antagonist Ralstonia sp. BEB99 can prevent and treat plant diseases caused by banana fusarium wilt germs, particularly, can be symbiotic with the banana, stably lives in the banana, can obviously promote growth of the banana plants, and can prevent and treat banana fusarium wilt.

The invention discloses an intelligent banana harvesting system. The intelligent banana harvesting system comprises crawlers, a stereoscopic vision recognition control system, a six-degree-of-freedommechanical arm and a cluster profiling supporting and receiving device, wherein the stereoscopic vision recognition control system is arranged on the crawlers and used for planning a harvesting path,controlling the crawlers to move to a position where a banana plant to be harvested and calculating the coordinate position of an appropriate picking point; the six-degree-of-freedom mechanical arm isarranged on the crawlers and is controlled by the stereoscopic vision recognition control system to move to a calculated proper picking point; and the cluster profiling supporting and receiving device is arranged at the front end of the six-degree-of-freedom mechanical arm and is driven by the six-degree-of-freedom mechanical arm to move to a proper picking point. The intelligent banana harvesting system provided by the invention can effectively save the problems of low harvesting efficiency, high labor intensity, high labor cost and easy generation of mechanical damage to banana clusters inthe harvesting process.