43results about How to "Shorten flowering time" patented technology

The invention discloses a method for breeding a corn inbred line by using the hybridizing induction of haploids, and belongs to the field of crop breeding methods. The method comprises the following steps: pollinating basic population or cenospecies according with breeding targets by using JASS31, and selecting aleurone layer top purple and purple-free embryonic tip labeled grains; naturally or artificially doubling the obtained material, and inbreding; and selecting non-separated head progeny rows realizing consistent progenies as a new inbred line. The method has a high haploid inductivity reaching above 13%, and has the advantages of obvious selection labeling, easy screening and high accuracy; and additionally, the JASS31 used in the invention has a moderate height, a long flowering time and a large pollen amount, and natural pollination induction of haploids can be carried out, so the artificial pollination can be avoided, labor saving is realized, and it is suitable for the large scale population operation. The method also has the characteristics of high breeding efficiency, simple operation and fast breeding speed.

The invention relates to a method for planting impatiens wallerana in a coastal saline-alkali land. The method comprises the following steps of land preparing, soil improving, planting, water controlling and fertilizer adding. The soil improving step comprises the processes that saline-alkali soil is doped with river sand, grass carbon and decomposed cow dung, the soil, the river sand, the grass carbon and the decomposed cow dung are proportioned according to the ratio of 2 to 2 to 1 to 1, the land is ploughed and dug, and the ploughing and digging depth is 20-30 cm, so that the soil is sufficiently mixed with the river sand, the grass carbon and the decomposed cow dung to be uniform, and then the land is leveled; sampling is conducted, the pH value of the soil is determined, when the pH value of the soil is still larger than 8, ferrous sulfate needs to be applied to the soil, ferrous sulfate is mixed with water for spraying according to the amount that when the pH value is decreased by one, 130 g of ferrous sulfate needs to be applied to per square meter of the soil, and when the pH value of the soil is smaller than or equal to 8, ferrous sulfate does not need to be applied. By using the method for planting the impatiens wallerana in the coastal saline-alkali land, the survival rate of the impatiens wallerana can be greatly increased, and the flowering time and the turf grass growing time are shortened; when the method is used for planting the impatiens wallerana, flowering can be achieved after 15 days, the best landscape effect can be achieved after 20 days, and the survival rate reaches 95% or above.

The invention provides a method for culturing Fagopyrum tataricum(L.)Gaertn, which comprises the following operating steps: (1) taking Fagopyrum tataricum(L.)Gaertn seeds, removing impurities, soaking, standing until germination, and culturing with water at the temperature of between 25 and 35 DEG C in a greenhouse; and (2) culturing to a period 5 to 10 days before blossom, and collecting fresh stem leaves of Fagopyrum tataricum(L.)Gaertn. The invention also provides Fagopyrum tataricum(L.)Gaertn powder and a preparation method thereof. The invention also provides a Fagopyrum tataricum(L.)Gaertn food or health product. By the culture method, the flowering time of the Fagopyrum tataricum(L.)Gaertn can be obviously shortened, so that the harvest time of the Fagopyrum tataricum(L.)Gaertn is effectively shortened; meanwhile, the fresh stem leaves of the Fagopyrum tataricum(L.)Gaertn before blossom are only collected, the yield of raw materials is greatly improved (by 100-200 times) on the basis of ensuring the health effect of the Fagopyrum tataricum(L.)Gaertn, the profit of the Fagopyrum tataricum(L.)Gaertn product is improved by about 150 times, and the commercial value is high; and meanwhile, the culture method is implemented in the greenhouse, production conditions are stable, and the culture method has good industrial application prospect.

The invention provides a method for quickly establishing a clonal seed orchard of Castanopsis hystrix and application of the method, and belongs to the technical field of forest tree breeding. The method for quickly establishing the clonal seed orchard of Castanopsis hystrix includes the steps: selecting forest stand, cutting stems for promoting sprouting, treating rootstocks, selecting parent materials, collecting scions, performing top grafting and carrying out later management. For the first time, Castanopsis hystrix trees of 5-10 years are adopted as rootstocks, fast-growing high-quality scions suitable for orchard construction are selected as materials in consideration of genetic distance and the ratio of male flowers to female flowers, and the excellent clonal seed orchard can be established quickly through a matched grafting technology which is obtained through careful exploration and design. The method is different from previous grafting which is based on seedlings or saplings,through the scheme, the flowering time is shortened quickly, early fruiting is promoted, and the forest can be formed quickly; and the stand viability of the seed orchard is ensured, and efficient productivity of high-quality seeds is ensured.

The invention discloses a soybean blossoming regulation gene GmCIB4 and a coding protein thereof. The soybean blossoming regulation gene GmCIB4 has a nucleotide sequence shown as SEQ ID No.1 and an amino acid sequence shown as SEQ ID No.2. The blossoming of plants (arabidopsis thaliana) can be obviously promoted through overexpressing the soybean blossoming regulation gene GmCIB4 so as to shorten the blossoming time and the growth period. The invention can be applied to solving the flowering asynchronism problem in crossbreeding, the birth control problems of various crops, vegetables, fruits and flowers, the light period sensitivity problem and the introduction problem.

The invention discloses an out-of-season flower forcing method of longan, comprising the steps of S1, after shoots of longan stabilize, blending with potassium chlorate and calcium carbonate to form acompound fertilizer, and spraying the compound fertilizer evenly to the roots of longan; S2, spraying a dilution of a first leaf fertilizer to leaves of longan within 5 days; S3, spraying a dilutionof a second leaf fertilizer to leaves of longan ten days later; S4, spraying a dilution of a third leaf fertilizer to leaves of longan when budding starts seven days later, so that flowers occur, wherein the dilution of the third leaf fertilizer is made by mixing phthalanilic acid dilution and potassium phosphite dilution. Flower forcing is performed on longan; flower forcing effect can be enhanced; on damage is caused to trees; flower forcing time is shortened; the method of the invention is suitable for forcing flower at any time, flower forcing rate is high, and the yield is stable.

The invention relates to a fresh keeping agent for flowers. Fresh flowers can adapt to the long-distance cold storage and transportation process after being processed by the fresh keeping agent, the leaves of the fresh flowers can be maintained fresh and green, flower buds can be maintained straight and fresh. The sales time of the fresh flower in a flower shop and the service life of the fresh flower in a flower bottle can be prolonged after being processed by the fresh keeping agent, and the blossoming time of the fresh flower can be postponed. The fresh keeping agent can provide sufficient nutrients, flower petals can be prevented from discoloring and dropping, the flowers can be opened more straightly, the optimum flower posture and flower color can be maintained for a long time, and the leaves can be maintained fresh and green for a long time.

The PFT1 (Phytochrome and Flowering Time 1) locus is described and identified. PFT1 acts in a light-quality pathway downstream of phyB that acts through modulation of FT transcription. Plants containing a truncated pft1 gene display an altered shade avoidance syndrome including an increase in time to flowering. The corresponding PFT1 gene has been isolated and characterized. Recombinant vectors, recombinant plants containing the PFT1 gene and methods of using the PFT1 gene to modulate a photosensitive trait, especially time to flowering, are described.

The invention provides application of an Arabidopsis thaliana SAL gene on regulating flowering time and amount of rosette leaves. By analyzing phenotype of a loss-of-function mutant homozygous plant of SAL1 / 2, as for single mutants sal1 and sal2 as well as a double mutant sal1sal2, compared with a wild type Col-0, the phenomena that the flowering times are all shortened by about 7 days, the amounts of the rosette leaves are added by 2-3 leaves during flowering, and the growth speeds of stalks after flowering are rapider. An obvious difference occurs between a flowering phenotype of an SAL1 / 2 mutant and normal early blossoming phenotype, i.e. the amount of the rosette leaves is added, and report on the phenotype does not exist; and through phenotypes of the SAL2 mutant and an overexpression plant, the function can be speculated to be of limiting too fast growth of the plant, and a study result of the gene function has the guiding significance of breaking through a neck bottle of increasing the crop yield.

The invention relates to the technical field of agricultural planting and specifically relates to a method for planting pearl guava. The method mainly comprises the following steps: (1) selecting land and preparing land: selecting suitable land and digging pearl guava planting holes in the land; (2) planting: fertilizing in the planting holes and then planting; (3) managing field: a) adjusting the production period, b) forcing flowers, c) thinning flowers and fruits, and d) bagging; and (4) harvesting fruits: picking after the fruits are matured. The method for planting pearl guava, provided by the invention, is used for normally planting the pearl guava; besides, the marketing time of the pearl guava can be adjusted and the pearl guava can be prevented from being sold in the peak period, so that the economic benefits can be increased.

The invention discloses a winter flowering phase regulation and control method for rhododendron hybridum. The method comprises the following steps of putting cutting seedlings of rhododendron hybriduminto pots, and applying compound fertilizer once every month after the seedlings are put into the pots; controlling the temperature of a greenhouse of rhododendron hybridum to be 15-17 DEG C and controlling the illumination time of natural light every day to be 1-2 h within 15-20 d, wherein a GA3 solution and a KH2PO4 solution are applied once separately every 10 d during the period; controllingthe temperature of the greenhouse of rhododendron hybridum to be 20-22 DEG C, and continuing to conduct red and blue light irradiation on rhododendron hybridum for 3-4 h 12 h after illumination of natural light every day within the period of 15-20 d, wherein a GA3 solution and a KH2PO4 solution are applied once separately every 10 d during the period; when each flower bud sends forth for 0.5 cm, conducting temperature-increasing flower acceleration at 24-25 DEG C, and continuing to conduct blue light irradiation on rhododendron hybridum for 3-4 h 12 h after illumination of natural light everyday within the period of 15-20 d. According to the method, rhododendron hybridum which is controllable in flowering time, shorter in flower acceleration time and neater and more gorgeous in floweringis obtained by adjusting factors like the temperature, the illumination time, the light quality and plant growth regulators.

The invention discloses a soybean flowering regulatory gene GmCIB6, an encoding protein and application thereof. The soybean flowering regulatory gene GmCIB6 has a nucleotide sequence shown by SEQ ID No.1 and an amino acid sequence shown by SEQ ID No.2. Over expression of the soybean flowering regulatory gene GmCIB6 can obviously promote a plant (such as arabidopsis thaliana) to flower and shorten the flowering time and a growth period. The soybean flowering regulatory gene GmCIB6 can be used for solving the problems of asynchronous flowering period in the process of cross breeding, growth period control of various crops, vegetables, fruits and flowers, the photoperiod sensitivity and the introduction.

The invention belongs to the technical field of crop breeding, and provides an isolation and purification method for Chenopodium quinoa, and aims at solving the problems that Chenopodium quinoa growsmildew easily, the grains are not full and the Chenopodium quinoa is sterile at high temperature. A nonwoven fabric material is made into an isolation bag with a closed bottom, an opening at the upperend of the isolation bag is provided with a contraction rope, and two sides of the isolation bag are provided with cellophane observation windows; during the florescence of Chenopodium quinoa, branches and leaves were removed from top to bottom, and 2-3 cm of a trunk is exposed; the top end is sleeved with the isolation bag; after the top end is sleeved for 15-20 days, main ears fully fill the bag, the isolation bag is removed, pruning is performed downwards from the top end to remove branches and leaves and expose 2-3 cm of the trunk, secondary sleeving is performed; after the bag is changed, the bag is removed according to the flowering period, the single plant with the main ears sleeved are harvested in the mature period. The structure and method have no influence on the grain fullnessand the yield of Chenopodium quinoa, and can meet the requirements of subsequent research on the seed quantity. The problems that the inflorescences easily grow mildew during isolation and purification sleeving so that the seed setting amount is low, the grains are not full and sterility is caused due to the high temperature are solved.

The invention mainly relates to the field of traditional Chinese medicine planting and discloses an underwood planting method of crocus sativus. The method comprises the steps of seeding in spring, top application after flowering and corm digging; the method is easy, the forest is a deciduous forest, the illumination of underwood soil can be changed along with seasons, corms of the crocus sativus are sowed in spring, sunlight is sufficient, the temperature is suitable, so that germination of the corms of the crocus sativus is promoted, the germination time is shortened, and the germination rate reaches 100%; after flowers of the crocus sativus wither, tree leaves grow up, through transpiration of the tree leaves, the underwood temperature is lowered and suitable for growth of the crocus sativus, growth of tree roots can improve the mellowness of the soil, absorption of nutrient ingredients by root system of the crocus sativus is promoted, and the dormancy period after the flowers fall off is avoided; in the middle of March, after the flowers of the crocus sativus wither, a nutrient solution is sprayed, wherein the nutrient solution is rich in organic matter, inorganic matter and microorganism, promotes absorption, accelerates expansion of the corms, makes the growth period of the crocus sativus shortened to 150-160 days, and obviously lowers the planting cost.

The invention discloses a soybean blossoming regulation gene GmCIB3 and a coding protein thereof. The soybean blossoming regulation gene GmCIB3 has a nucleotide sequence shown as SEQ ID No.1 and an amino acid sequence shown as SEQ ID No.2. The blossoming of plants (arabidopsis thaliana) can be obviously promoted through overexpressing the soybean blossoming regulation gene GmCIB3 so as to shorten the blossoming time and the growth period. The invention can be applied to solving the flowering asynchronism problem in crossbreeding, the birth control problems of various crops, vegetables, fruits and flowers, the light period sensitivity problem and the introduction problem.

The invention relates to the field of horticulture and in particular relates to a method for grafting multi-color sophora japonica trees. The method disclosed by the invention comprises the followingsteps: aiming at the defect existing in the traditional grafting technology that the survival rate is low, taking ordinary sophora japonica growing for 1-2 years as stock, taking various annual sophora japonica dormant buds as scions, treating the scions with a mixed solution having the formula of 95% of distilled water, 1% of KH2PO4, 0.4% of naphthylacetic acid, 0.6% of ZnNO3, 0.6% of Na2SeO4, 0.6% of MnSO4, 1% of NaCl and 0.8% of CaCl2 as a growth promoter, and adopting a rectangular dormant bud compression technology. The grafting survival rate can be effectively improved, the grafting costis reduced, the growth cycle is shortened, and the rapid large-scale breeding effect is achieved.

The PFT1 (Phytochrome and Flowering Time 1) locus is described and identified. PFT1 acts in a light-quality pathway downstream of phyB that acts through modulation of FT transcription. Plants containing a truncated pft1 gene display an altered shade avoidance syndrome including an increase in time to flowering. The corresponding PFT1 gene has been isolated and characterized. Recombinant vectors, recombinant plants containing the PFT1 gene and methods of using the PFT1 gene to modulate a photosensitive trait, especially time to flowering, are described.

The invention relates to a rhododendron lapponicum flower forcing method in cold regions. The method comprises the following steps of: carrying out low-temperature dormancy treatment on potted rhododendron lapponicum outdoors by utilizing climatic resources in cold regions; carrying out indoor greenhouse space arrangement; breaking dormant flower forcing management, removing lateral buds and spraying 1000ppm of exogenous hormone GA3 to germinating buds; carrying out heating, filling light to regulate room temperature, humidity and illumination in the greenhouse and carrying out water and fertilizer management; and managing the temperature, humidity and water and fertilizer after the buds have colors. The method has the following beneficial effects: by utilizing the peculiar climatic resource advantages in the cold regions to carry out low-temperature dormancy treatment on rhododendron lapponicum outdoors and using variable temperature light filling indoors in combination with the exogenous hormone, the aims of shortening the rhododendron lapponicum flower forcing time in the cold regions and reducing the production cost are achieved; the key problem of rhododendron lapponicum flower forcing in the cold regions is solved; and the technology caters to the lunar new year flower market demands and provides technical support for industrial production of potted flowers in the Heilongjiang province.

The invention relates to the field of horticulture and in particular relates to a method for grafting multi-color sophora japonica trees. The method disclosed by the invention comprises the followingsteps: aiming at the defect existing in the traditional grafting technology that the survival rate is low, taking ordinary sophora japonica growing for 1-2 years as stock, taking various annual sophora japonica dormant buds as scions, treating the scions with a mixed solution having the formula of 95% of distilled water, 1% of KH2PO4, 0.4% of naphthylacetic acid, 0.6% of ZnNO3, 0.6% of Na2SeO4, 0.6% of MnSO4, 1% of NaCl and 0.8% of CaCl2 as a growth promoter, and adopting a rectangular dormant bud compression technology. The grafting survival rate can be effectively improved, the grafting costis reduced, the growth cycle is shortened, and the rapid large-scale breeding effect is achieved.

The invention belongs to the technical field of crop cultivation, and particularly relates to a cultivation method for improving phenolic acid components of stems and leaves of male plants of trichosanthes kirilowii Maxim, and the cultivation method includes a tissue seedling stage and a transplanting cultivation stage. Compared with the prior art, the cultivation method has the following advantages: the tissue seedling stage of the cultivation method aims at the male plants of the trichosanthes kirilowii Maxim for culture of seedlings, the differentiation rate of seedling bodies containing clumpy buds is more than 82%, the average number of the buds is more than 15, the rooting rate of the seedlings of the trichosanthes kirilowii Maxim is about 75%, the average root length is about 1.8cm;the seedlings of the trichosanthes kirilowii Maxim are reasonably densely planted, a multi-layer shed frame is set up to increase the growth of stems and leaves. An inhibitor is sprayed in first tendays of June to delay flowering time, reduce flowering and promote the growth of the stems and the leaves, because the stems and the leaves are not cut off, due to a too large and too dense amount ofthe stems and the leaves in the later stage, flowering and fruit setting can be reduced, the chemical components in the trichosanthes kirilowii Maxim can be changed, the phenolic acid components in the stems and the leaves of the trichosanthes kirilowii Maxim are significantly increased, and economic value is effectively increased.

The invention relates to the technical field of agricultural planting and specifically relates to a method for planting pearl guava. The method mainly comprises the following steps: (1) selecting land and preparing land: selecting suitable land and digging pearl guava planting holes in the land; (2) planting: fertilizing in the planting holes and then planting; (3) managing field: a) adjusting the production period, b) forcing flowers, c) thinning flowers and fruits, and d) bagging; and (4) harvesting fruits: picking after the fruits are matured. The method for planting pearl guava, provided by the invention, is used for normally planting the pearl guava; besides, the marketing time of the pearl guava can be adjusted and the pearl guava can be prevented from being sold in the peak period, so that the economic benefits can be increased.

The invention discloses a soybean blossoming regulation gene GmCIB3 and a coding protein thereof. The soybean blossoming regulation gene GmCIB3 has a nucleotide sequence shown as SEQ ID No.1 and an amino acid sequence shown as SEQ ID No.2. The blossoming of plants (arabidopsis thaliana) can be obviously promoted through over expressing the soybean blossoming regulation gene GmCIB3 so as to shorten the blossoming time and the growth period. The invention can be applied to solving the flowering a synchronism problem in crossbreeding, the birth control problems of various crops, vegetables, fruits and flowers, the light period sensitivity problem and the introduction problem.

The invention discloses a soybean flowering regulatory gene GmCIB6, an encoding protein and application thereof. The soybean flowering regulatory gene GmCIB6 has a nucleotide sequence shown by SEQ ID No.1 and an amino acid sequence shown by SEQ ID No.2. Over expression of the soybean flowering regulatory gene GmCIB6 can obviously promote a plant (such as arabidopsis thaliana) to flower and shorten the flowering time and a growth period. The soybean flowering regulatory gene GmCIB6 can be used for solving the problems of asynchronous flowering period in the process of cross breeding, growth period control of various crops, vegetables, fruits and flowers, the photoperiod sensitivity and the introduction.

The invention discloses a soybean blossoming regulator gene GmCIB5 and an encoding protein thereof. The soybean blossoming regulator gene has a nucleotide sequence represented by SEQ ID No.1 and an amino acid sequence represented by SEQ ID No.2. The overexpression soybean blossoming regulator gene GmCIB5 can obviously promote plants (Arabidopsis) to blossom and shorten the blossoming time and growth season. The soybean blossoming regulator gene GmCIB5 can be used for solving the blossoming of flowers at different times in cross breeding, the growth season control problem, the photoperiodic sensitivity problem and the species introduction problem of all crops, vegetables, fruits and flowers.

The invention provides a method for culturing Fagopyrum tataricum(L.)Gaertn, which comprises the following operating steps: (1) taking Fagopyrum tataricum(L.)Gaertn seeds, removing impurities, soaking, standing until germination, and culturing with water at the temperature of between 25 and 35 DEG C in a greenhouse; and (2) culturing to a period 5 to 10 days before blossom, and collecting fresh stem leaves of Fagopyrum tataricum(L.)Gaertn. The invention also provides Fagopyrum tataricum(L.)Gaertn powder and a preparation method thereof. The invention also provides a Fagopyrum tataricum(L.)Gaertn food or health product. By the culture method, the flowering time of the Fagopyrum tataricum(L.)Gaertn can be obviously shortened, so that the harvest time of the Fagopyrum tataricum(L.)Gaertn is effectively shortened; meanwhile, the fresh stem leaves of the Fagopyrum tataricum(L.)Gaertn before blossom are only collected, the yield of raw materials is greatly improved (by 100-200 times) on the basis of ensuring the health effect of the Fagopyrum tataricum(L.)Gaertn, the profit of the Fagopyrum tataricum(L.)Gaertn product is improved by about 150 times, and the commercial value is high; and meanwhile, the culture method is implemented in the greenhouse, production conditions are stable, and the culture method has good industrial application prospect.

The invention discloses a seeding and cultivation medium for clematis acerifolia, and relates to the technical field of cultivation. The culture medium comprises a bedrock layer, a root planting layer and a covering layer from bottom to top; the thickness of the bedrock layer is larger than 10 cm, the bedrock layer is composed of limestone, perlite and pumice, the volume ratio of the limestone to the perlite and the pumice is 1: 1, and the perlite and the pumice are in any ratio; the thickness of the root planting layer is 0.5 cm-1 cm, the root planting layer is composed of coco coir, perlite, pumice and Osmocote 318s, the volume ratio of the coco coir to the perlite and the pumice to the Osmocote 318s is 56: 56: 1, and the perlite and the pumice are in any ratio; and the thickness of the covering layer ranges from 0.5 cm to 1 cm, and the covering layer is composed of limestone chippings. According to the sowing and cultivation medium, the germination rate and the survival rate of seeds are remarkably increased, the growth speed of the seeds can be increased, the growth amount of 8-15 true leaves can be achieved in the first year, the plant specification is comparable to that of a field individual in 4 years-5 years, meanwhile, the flowering time is shortened, a small amount of seedlings bloom in the spring of the next year after one-year sowing, and the flowering time is shortened by at least four years compared with field individual flowering time.