34results about How to "Strong branching ability" patented technology

The invention discloses a breeding method of high-quality double-low disease-resistant high-yield lodging-resistant rape cultivar 'Zhen 2405'. The bred high-quality double-low rape cultivar has the advantages of full and round seed grain, heavy thousand grain weight, black seed grain, good marketability, excellent disease resistance, stable yield, good lodging resistance, good plant-type trait, good maturity performance, consistent maturity and suitability for the mechanized harvest. The method comprises the following steps: A) selecting the early-mature high-yield rapeseed line 'Zhen 9701' as the maternal plant, which has high resistance to Sclerotinia sclerotiorum and lodging and has compact plant-type trait, selecting rape line F1 as the male parent, which has good agronomic characters and high-yield trait, and cross-breeding to obtain a rape line F0; and B) sowing the rape line F0, sowing the excellent individual plants after the two-row sowing of the rape line F0, and self-inbreeding for 6 generations to obtain the high-quality double-low high-yield rape cultivar (Brassica napus) 'Zhen 2405' with excellent resistance to Sclerotinia sclerotiorum and lodging.

A cultivation technology of a multi-fruit high-yield large watermelon can resist continuous cropping; fruits are easy to bear; and the watermelon cultivation technology can save effort and labor and increase the yield. The technology is characterized in that the ground is digged in autumn and irrigation is performed in winter, 10-45 tons of organic fertilizer, 100-150kg of matured soybean, 250-300kg of diammonium, 150-200kg of urea, 200-300kg of potassium sulfate and 300-350kg of calcium superphosphate are applied per hectare before cultivation, 20% of the fertilizers are applied again in continuous cropping; after the fruits are grown, the tops are not removed and pruning is not performed to ensure that the watermelon can grow naturally, fruit-expanding fertilizers, namely urea and potassium sulfate are applied per hectare; and rare earth micro-fertilizer is sprayed onto the leaves in the medium / late stage of fruiting for 2-3 times. The yield is 160-210 tons per hectare, which is 2-3times of the traditional cultivation method and creates a new record of watermelon yield. By adopting the cultivation technology, the cost can be reduced, land resources can be saved, the utilizationrate of land can be increased and the economic benefit can be increased; the watermelon is convenient to store and transport, is big and has good mouth feeling; and in the experiment of the invention, 63 fruits which are 544.5kg in all can be obtained for the Jilin Taonan Heilongjiang River watermelon and the biggest fruit is 57.5kg. The cultivation technology is suitable to be used in the cultivation areas of the first-filial generation Hong guanlong and the like.

The invention provides a cultivation method of a novel purple hot pepper variety. The cultivation method comprises the following steps of: preparing a hybridized combination by using a purple lantern-shaped pimiento variety 'Zorro' as a female parent and a green lantern-shaped pimiento variety 'Sujiao NO.13' as a male parent, and selfing the hybridized combination 'Zorro*Sujiao NO.13' to establish an F2 group; planting an F2 plant, selecting single plants which are used for producing long-lantern-shaped peppers with purple skin and have continuous fruit setting capability, and selfing and reserving seeds for planting, so as to obtain an F3 strain; cultivating as mentioned above to obtain F10 strains with stable characters, so as to obtain a purple lantern-shaped pimiento '008'; planting the purple lantern-shaped pimiento '008' and a 'Nanjing Huangkezaojiao' in a hybrid manner, carrying out artificial emasculation and pollination in a bud stage by using the 'Nanjing Huangkezaojiao' as the female parent and the purple lantern-shaped pimiento '008' as the male parent, and harvesting ripen fruits of the 'Nanjing Huangkezaojiao', so as to obtain a 'Sucaijiao NO.1'. The novel purple hot pepper variety obtained by using the method has the advantages of good quality, high yield, disease resistance, stress resistance and the like.

The invention relates to a steel body PDC (Polycrystalline Diamond Compact) directional bit for directional drilling under a coal mine. The steel body PDC directional bit comprises a bit steel body, at least three blade edges and impregnated diamond gauge protection blocks, wherein the outer side face of one end of the bit steel body is provided with a thread; a plurality of blade edges are welded on the bottom surface of the other end of the bit steel body; PDC cutting teeth are welded on the outermost sides of the blade edges; the PDC cutting teeth are distributed in a scraper form; a plurality impregnated diamond gauge protection blocks are uniformly welded on the outer side wall of the other end of the bit steel body; the plurality of impregnated diamond gauge protection blocks form a gauge protection surface; the gauge protection surface is vertical to the PDC cutting teeth. The steel body PDC directional bit for directional drilling under the coal mine disclosed by the invention has the beneficial effects that 1, the steel body PDC directional bit has high branch expanding capability and good gauge protection effect, and can replace a flat-bottom tire-body PDC directional bit; 2, the steel body PDC directional bit has high production efficiency and low production cost, can be subjected to secondary repair, and can be used repeatedly.

According to a cultivating method of a new tomato variety 'Yunxia No. 2', based on a fact that a Yunnan local old variety 'Da pingding' is used as a female parent, an astaxanthin production project tomato 'Xiahong No. 1' is used as a male parent, hybridization is performed, leaf astaxanthin is extracted with acetone, and the content of the leaf astaxanthin is detected by a UPLC method. The 'Yunxia No. 2' combines the main excellent properties of the female parent and the main excellent properties of the male parent, and is good in fruit quality and high in astaxanthin yield of leaves. The new tomato variety 'Yunxia No. 2' has the main characteristics that plants are in a determinate growth type, the height of the plants is about 130cm, and the plants are dark red and grow vigorously; stalks are yellowish green to light brown, and the branching capacity is high; the new tomato variety 'Yunxia No. 2' has common leaf types, leafstalks are yellowish green to dark red, leaves are dark red, and the average content of dry substances namely the astaxanthin reaches 2.27mg / g; calyxes are dark red, radial corollas are orange to tangerine, anthers are orange to red, and stigmas and persistent fruitlets are red brown; and fruits are bright red, fruit shoulders are claret and circular to oblate, the fruit shape index is 0.67-0.79, fruit surfaces are smooth, the gloss is bright, the pulp is thick and pink, placenta jelly is red, 5-7 ventricles exist, the hardness is moderate, the average weight of a single fruit is 150g, and the weight of the largest single fruit can reach 350g.

The invention relates to a selection method for a flat round eggplant selfing line. The selection method comprises the following steps: (1) hybridizing Dali Qieza #6 of a flat round eggplant, which serves as a female parent, and Zilong #7 of an elongated eggplant, which serves as a male parent, thus obtaining hybrid seeds; (2) after the hybrid seeds are planted, performing back-crossing on Dali Qieza #6 serving as a male parent, thus obtaining back-crossed seeds; (3) after the back-crossed seeds are planted, selfing single plants, selecting the seeds of the flat round eggplants, continuously performing single plant selfing after planting, and selecting the seeds of the flat round eggplants again; (4) planting the seeds of the flat round eggplants, and continuously selfing high-quality single plants according to stress resistance and quality character for 4 to 5 generations to obtain a stable flat round eggplant selfing line Yj-01. The selection method ensures that the prepared hybrid seeds have the characteristics of high quality, high stress resistance, high applicability and good commercial quality.

According to a cultivating method of a new tomato variety 'Yunxia No. 1', based on a fact that a filial generation 'Yunkang No. 1' of 'mango-1' and CLN2037E is used as a female parent, and an astaxanthin production project tomato 'Xiahong No. 1' is used as a male parent, hybridization is performed, leaf astaxanthin is extracted with acetone, and the content of the leaf astaxanthin is detected by a UPLC method. The 'Yunxia No. 1' combines the main excellent properties of the female parent and the main excellent properties of the male parent, and is high in disease resistance and high in astaxanthin yield. The new tomato variety 'Yunxia No. 1' has the main characteristics that plants are in an indeterminate growth type, the height of the plants is 200cm or above, and the growth potential is extremely strong; the new tomato variety 'Yunxia No. 1' is resistant to late blight, early blight and virus diseases; stalks are green to dark red, the branching capacity is high, and the leaf yield is high; the new tomato variety 'Yunxia No. 1' has common leaf types, leafstalks are yellowish green to dark red, veins are yellowish green to dark red, leaves are dark red, and the average content of dry substances namely the astaxanthin reaches 2.02mg / g; calyxes are yellowish green to dark red, radial corollas are yellow to tangerine, anthers are orange to red, and stigmas and persistent fruitlets are red brown; and fruits are orange red, fruit shoulders are claret and oblong, the fruit shape index is 1.07-1.25, fruit surfaces are smooth, the gloss is bright, the pulp is thick, four ventricles exist, the hardness is high, the average weight of single fruits is 120g, and the weight of the largest single fruit can reach 200g or above.

The invention discloses a breeding method of early-maturing girdled loofah gourds, and belongs to the technical field of loofah gourd breeding. The method is characterized in that by taking loofah gourd No.2 as an original source and adopting a breeding purpose that a fruit is girdled, the fruit flesh is tender, more female flowers appear earlier and the continuous fruit setting capacity is high, an advanced inbred series A-01 is bred by virtue of 10 generations; taking early-bred No.1 as an original source and adopting the breeding purpose that the fruit is matured extremely early, the disease resistance is high and the low temperature can be resisted, an advanced inbred series B-01 is bred by virtue of 12 generations; then the advanced inbred series A-01 is adopted as a mother parent and the advanced inbred series B-01 is used as a father parent to perform the hybrid breeding to obtain a hybrid generation-I series loofah gourd No.10. The hybrid variety is developed in root system and rapid in growth, the loofah gourds can be settled both on a main and branch vines and can become mature extremely early, a continuous harvesting period is long, 8 to 10 gourds can be set on each plant in an early period, the fruits are girdled, the color is tender, the stress resistance is high, and the application range is wide.

The invention discloses a breeding method of a rape variety suitable for machine harvesting and sowing. The method is as below: using a rape variety (8901* 94Y16) F2 as a female parent, hybridizing with (8705 *Shi Lifeng) F4 as a male parent to obtain an F0 seed; sowing the F0 seed; selecting an excellent individual plant for mixed sowing; carrying out years of continuous self-crossing from an F2; carrying out bagging inbred on the individual plant since an F3; rigorously analysing quality of individual plant in the indoor; cleaning out plants with unqualified double low indexes to ensure excellent and stable quality of offspring; and gaining a novel strain 2808 of a conventional cabbage type rape with high quality, double low, disease resistance, high and stable yield and lodging resistance until an F6. The rape bred by the method has advantages of high quality, double low, full and round rapeseed, high thousand seed weight, black seed, good commodity, excellent disease resistance, high and stable yield, good agronomic traits, excellent lodging resistance, strong self regulation ability, good plant type, good maturity performance, constant maturity, suitability for machine harvesting and sowing, and cost saving.

The invention discloses a cultivation method for high-yield and environment-friendly seedless watermelons. The method includes the following steps: field selection, soil preparation, planting, field management and harvesting. The cultivation method has the advantages that continuous cropping resistance is achieved, fruit setting is easy, neither top pinching nor pruning is needed after fruit setting, and watermelon seedlings are strong in growth vigor, thick in vane and leaf, saving in labor, resistant against diseases, capable of increasing production, strong in branching capacity and high in fruit setting rate; the cultivation method is easy and convenient to operate, easy to implement and high in seedling rate, reduces watermelon production cost, improves the yield, saves land resources, improves the land utilization rate and increases economic benefits.

The invention belongs to the technical field of biological breeding and discloses citrus multiploid efficient induction and quick application technology. The technology mainly includes: when citrus buds just germinate in spring, selecting an exuberant shoot from the periphery or the upper portion of a citrus tree crown, selecting an auxiliary bud on the lower portion, erasing the auxiliary bud, using a cotton ball soaked with 0.06-0.08% colchicine+1% dimethyl sulfoxide to treat the position where the auxiliary bud is erased, using a sealing film to bind and seal, using a black adhesive tape to wrap to avoid light, cutting off a shoot on the upper portion of the treated position, and erasing a bud on the lower portion; unbinding after 5-7 days, and cutting off competitive shoots around; after 10-15 days, germinating multiple buds; after 1.5-2 months, taking a leaf sample, and using a flow cytometer to detect the leaf sample, wherein multiploid induction rate reaches higher than 50%, pure tetraploid is higher than 95%, and chimera is lower than 4%; the multiple buds grow vigorously after germination and can flower and put into application in the next year. The technology is simple, and agents can permeate into bud tissue, so that induction rate is high, and embedment rate is low; the technology can be quickly put into application and is suitable for all crops having multiple buds and being easy to germinate.

The invention belongs to the technical field of plant culture and relates to a dwarf gene variety group establishing method for a lagerstroemia plant of lythraceae. The method comprises the following steps: 1, establishing a dwarf gene lagerstroemia variety resource garden; 2, testing a dwarf gene lagerstroemia variety; 3, recording tested characteristic items; 4, obtaining a comprehensive evaluation index; 5, establishing a classification variety group according to the test result. The dwarf gene variety group establishing method for the lagerstroemia plant of the lythraceae overcomes the shortcoming in the prior art, and an established dwarf gene lagerstroemia variety group can well meet production of small potting, flower bed arrangement, presbyopic glass and other dwarf gene lagerstroemia nursery stocks required by green space landscape construction due to the fact that the plant is low, the sub-branch capacity is strong, blooming density is good, and ornamental value is high, so that the commodity types of the lagerstroemia nursery stocks are increased, the application field is expanded, the commodity value of tree bonsais is improved, landscape architectures are enriched, and meanwhile the economic efficiency for producing the nursery stocks is improved.

The invention discloses a non-toxic, bud-rich tomato tree cultivation method for grafting scions and belongs to the technical field of plant cultivation. The non-toxic, bud-rich tomato tree cultivation method for grafting scions comprises following steps: 1: sterilizing planting substrate; 2: cultivating scions; 3; managing fertilizer and water; 4: controlling diseases and insect pest; 5: grafting. According to the tomato tree cultivation method of the invention, disinfection is carried out on the planting substrate, scion seeds, grafting tools and grafting containers so as to realize the purpose of reducing the pathogen on scions, reduce the disease susceptibility rate of the grafted seedlings, and thereby improve the survival rate of the grafted seedlings; the cultivated tomato trees have strong ability to branch, each leaf axil can generally grow lateral buds, 15 to 20 live lateral buds are picked for use as grafting scions, which reduces cost. After tomato planting, the node position of fruit set decreases obviously, the number of fruiting spikes increases, the yield of tomato increases, and the income of planters is increased.

The invention discloses an application of prince's-feather in the remediation of heavy metal cadmium pollution in soil. The application specifically comprises the steps that seedlings of the prince's-feather are cultivated in the soil from May to September; after the prince's-feather blooms, buds are removed on cloudy or sunny days, and the Cd content of the removed buds is detected; and when theCd content of the removed buds is smaller than a preset value, the buds are made into feed. The method of the application has the advantages of being low in investment and cost, strong in operability,small in disturbance to the soil environment, permanent in treatment effect, large in application area and simple in post-treatment and not damaging site structures or leading to secondary pollution;and meanwhile, the individual biomass of the prince's-feather is large, so that the soil heavy metal remediation efficiency per unit area can be improved.

A cultivation technology of a multi-fruit high-yield large watermelon can resist continuous cropping; fruits are easy to bear; and the watermelon cultivation technology can save effort and labor and increase the yield. The technology is characterized in that the ground is digged in autumn and irrigation is performed in winter, 10-45 tons of organic fertilizer, 100-150kg of matured soybean, 250-300kg of diammonium, 150-200kg of urea, 200-300kg of potassium sulfate and 300-350kg of calcium superphosphate are applied per hectare before cultivation, 20% of the fertilizers are applied again in continuous cropping; after the fruits are grown, the tops are not removed and pruning is not performed to ensure that the watermelon can grow naturally, fruit-expanding fertilizers, namely urea and potassium sulfate are applied per hectare; and rare earth micro-fertilizer is sprayed onto the leaves in the medium / late stage of fruiting for 2-3 times. The yield is 160-210 tons per hectare, which is 2-3times of the traditional cultivation method and creates a new record of watermelon yield. By adopting the cultivation technology, the cost can be reduced, land resources can be saved, the utilizationrate of land can be increased and the economic benefit can be increased; the watermelon is convenient to store and transport, is big and has good mouth feeling; and in the experiment of the invention, 63 fruits which are 544.5kg in all can be obtained for the Jilin Taonan Heilongjiang River watermelon and the biggest fruit is 57.5kg. The cultivation technology is suitable to be used in the cultivation areas of the first-filial generation Hong guanlong and the like.

The invention provides a method for interplanting oil sunflowers in watermelon seed production. The method comprises the following steps: 1) selection and pretreatment of a planting field; 2) selecting watermelon seed production parents, and sowing the watermelon seed production parents in the planting land; (3) carrying out cultivation management on the planting land where the watermelon seed production parents are sown in the step (2); 4) performing cross pollination on the watermelon flowers in the planting field; (5) after cross pollination of the watermelons is finished, sowing oil sunflowers in the planting land; 6) performing field management on the oil sunflowers in the planting field and the pollinated watermelons; and 7) harvesting watermelon seeds and oil sunflowers. According to the method, the oil sunflowers are interplanted in the watermelon seed production process, the watermelons and the oil sunflowers can form an extremely useful composite group at high and low intervals, so that the farmland space ground is utilized, the vertical space is also utilized, single-planting plane light is changed into three-dimensional light, the photosynthetic efficiency is improved, and photo-thermal resources are fully utilized.

The invention discloses a special fertilizer for soybeans. The fertilizer is composed of the following components in parts by mass: 23-25 parts of silkworm excrement, 10-18 parts of a phosphate fertilizer, 10-15 parts of a potash fertilizer, 5-10 parts of decomposed chicken manure, 7-9 parts of plant ash, 15-20 parts of green manure, 10-15 parts of diammonium phosphate, 10-15 parts of copper sulfate, 5-8 parts of molybdenum disulfide, 1-3 parts of auxin, and 60-70 parts of water. According to the special fertilizer for the soybeans provided by the invention, the nutrient substances are abundant, the development of the root system of the soybeans is promoted, the branchiness is strong, the podding part is low, pods are not easy to crack, grains are full, and the seed coat is milky white; and chlormequat chloride is contained in the formula, so that the lodging-resistant capability of the soybeans is effectively enhanced, and the yield of the soybeans is significantly improved.

The invention discloses a breeding method for an early-maturing girdle-shaped loofah and belongs to the technical field of loofah breeding. In this method, Zhu Luffa No. 2 was used as the original resource, and the breeding objectives were girdle-shaped fruit, tender flesh, early and many female flowers, and strong continuous fruit-setting ability. After 10 generations, a high-generation inbred line Zhu A-01 was bred; Taking Zaoza 1 as the original resource, with the breeding goals of extremely early fruit maturity, strong disease resistance and low temperature tolerance, the high-generation inbred line Zhu B‑01 was bred after 12 generations; the high-generation inbred line Zhu A ‑01 was the female parent, and the advanced inbred line Zhu B‑01 was used as the male parent for cross breeding, and the first-generation hybrid Zhu Luffa No. 10 was obtained. This hybrid variety has a well-developed root system and strong growth potential. Both the main and side vines can produce melons. It matures very early and has a long continuous harvest period. In the early stage, each plant has 8 to 10 melons. The fruit is waist-shaped, with fine skin color and stress resistance. Strong, wide adaptability.

The invention relates to an ecological slope protection method. The ecological slope protection method includes: using iris and vine as planting plants to form a "horizontal + vertical" three-dimensional growth pattern on the slope. In the present invention, the iris grows fast and has well-developed root systems to stabilize the soil of the slope. With the growth of the iris, its roots gradually extend downwards, which can play a good role in shallow loose soil layers. Anchoring effect; at the same time, the strong asexual reproduction ability of Guojiangteng, the lateral growth, strong branching ability, well-developed fibrous roots and interweaving into a felt, its root system is distributed in a dense network, and a large area is intertwined and connected together, forming a A very strong root network acts as an anchor to the soil.

The invention relates to the field of fertilizers, and especially relates to a fertilizer special for broad beans. The fertilizer comprises the following components in parts by weight: 20-25 parts of straw, 10-20 parts of sawdust, 10-12 parts of expanded perlite powder, 1-2 parts of a nitrification inhibitor DMPP, 0.3-0.5 parts of tea saponin, 23-25 parts of liquefied ammonia, 20-22 parts of a phosphate fertilizer, 17-19 parts of a potash fertilizer, 13-15 parts of decomposed goose manure, 7-9 parts of cement kiln ash potash, 11-13 parts of a Vicia villosa green manure, 9-11 parts of diammonium phosphate, 7-9 parts of fungi with ectendotrophic mycorrhiza, 6-8 parts of copper sulphate, 4-6 parts of boric acid, 2-4 parts of molybdenum disulfide, 1-3 parts of chlormequat chloride, and 3-5 parts of humic acid. The fertilizer has the advantages of abundant nutrients, promotion of well development of broad bean roots, good branchiness, low podding part without easy pod crack, full seeds, and milkiness color of seed coats; the formula contains chlormequat chloride, so that lodging resistance capability of broad beans are effectively enhanced, and yield of broad beans are substantially improved.

The invention relates to a planting method of edible fungi. The method comprises the steps of fungi bag cutting, fungi bag stacking, soil filling, water tank building, and water replenishment. The planting method provided by the invention has the advantages that the cellulose content is high, the lignin content is relatively low, the decomposition and utilization of the edible fungi are facilitated, and the cultivated edible fungi are high in yield and good in quality; the age of selected salix mongolica is generally less than 5 years, and the branching ability of the salix mongolica is strong. Therefore, the crude protein content of the raw material is relatively high compared with that of miscellaneous wood chips; the method has no pollution and no pesticide residues, is low in heavy metal content, and can be used for the production of organic edible fungi; the preparation process is simple and the operability is high.

The invention relates to a planting method for replanting corn. According to a technical scheme in the invention, the planting method for replanting the corn comprises the following steps: cultivating early-maturing, cold-resistant and drought-resistant corn seedlings with a growth period of about 84 days and an active accumulated temperature of 1700 DEG C in a whole growth period, then transplanting the corn seedlings in fields, and carrying out lateral-root and main-root producing, branching, grain-filling and maturing; and resowing secondary-cropping corn between first-cropping corn seedlings or in the places surrounding roots, or resowing the secondary-cropping corn before maturity of the first-cropping corn. The secondary-cropping seedlings have the advantages of high-temperature resistance, drought resistance, air-permeability resistance, early maturing, well-developed main stems, strong barren-tolerant capability, strong branchiness, rapid growth of vegetative masses, fast maturing, a growth period of about 84 days, and an active accumulated temperature of 1700 DEG C in the whole growth period. The above-mentioned planting method for replanting corn can realize three-season cropping of corn production in the south.

According to a cultivating method of a new tomato variety 'Yunxia No. 1', based on a fact that a filial generation 'Yunkang No. 1' of 'mango-1' and CLN2037E is used as a female parent, and an astaxanthin production project tomato 'Xiahong No. 1' is used as a male parent, hybridization is performed, leaf astaxanthin is extracted with acetone, and the content of the leaf astaxanthin is detected by a UPLC method. The 'Yunxia No. 1' combines the main excellent properties of the female parent and the main excellent properties of the male parent, and is high in disease resistance and high in astaxanthin yield. The new tomato variety 'Yunxia No. 1' has the main characteristics that plants are in an indeterminate growth type, the height of the plants is 200cm or above, and the growth potential is extremely strong; the new tomato variety 'Yunxia No. 1' is resistant to late blight, early blight and virus diseases; stalks are green to dark red, the branching capacity is high, and the leaf yield is high; the new tomato variety 'Yunxia No. 1' has common leaf types, leafstalks are yellowish green to dark red, veins are yellowish green to dark red, leaves are dark red, and the average content of dry substances namely the astaxanthin reaches 2.02mg / g; calyxes are yellowish green to dark red, radial corollas are yellow to tangerine, anthers are orange to red, and stigmas and persistent fruitlets are red brown; and fruits are orange red, fruit shoulders are claret and oblong, the fruit shape index is 1.07-1.25, fruit surfaces are smooth, the gloss is bright, the pulp is thick, four ventricles exist, the hardness is high, the average weight of single fruits is 120g, and the weight of the largest single fruit can reach 200g or above.

The invention discloses a breeding method of an earliest-maturing broccoli selfing line. The breeding method particularly comprises the following steps: directly sowing seeds in pots and intensively placing the pots in an intelligent greenhouse; controlling high temperature in summer by using a water curtain, an air blower and a light shading net, and improving low temperature in winter by using fuel oil temperature control equipment; at a bolting stage, utilizing an atomization device in the greenhouse to keep the relative air humidity in a range from 70% to 80% at 10:30-14:30 in daytime; identifying the disease resistance of stalk break and black rot and the intensity of stress resistance in fields so as to ensure strong disease resistance and stress resistance of superior single plants; and at a bolting flowering period, carrying out pollination at a flowering phase, and bagging and selfing at the flowering phase. The obtained broccoli selfing line can be used as a backcross transformation male parent of a broccoli cytoplasmic male sterile line or a male parent of a cytoplasmic male sterile line to prepare a first-filial generation; and meanwhile, the breeding age limit is greatly shortened in practice, the time and working amount are saved, and the breeding method has the characteristics of high working efficiency and strong operability.

The invention provides a method for cultivating P. safflower, which comprises the following steps: soil selection, cultivation substrate, seed cuttings, selecting soil with an organic matter content of 68-75% for cultivation, and adding EM bacterial liquid to the cultivation substrate for fermentation and cultivation , through microbial fermentation to activate the conversion and fusion of peat soil, coconut peat, triethanolamine, and olivine to form a coordinated microbial colony, and to prepare a cultivation substrate that is integrated with the excellent physical and chemical environment for seedling development, which is beneficial to sustainable and effective fertility supply, thus the survival rate of the cultivated safflower rosewood reaches 99.1%, the height is 23cm, the branches reach 10, the branch length is 12cm, and the branch diameter is 0.8cm.