CN114052015A - Cotton flower-promoting ripening agent and flower-promoting ripening method - Google Patents
Cotton flower-promoting ripening agent and flower-promoting ripening method Download PDFInfo
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- CN114052015A CN114052015A CN202111419116.5A CN202111419116A CN114052015A CN 114052015 A CN114052015 A CN 114052015A CN 202111419116 A CN202111419116 A CN 202111419116A CN 114052015 A CN114052015 A CN 114052015A
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- 229920000742 Cotton Polymers 0.000 title claims abstract description 51
- 230000005070 ripening Effects 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 19
- 101000623895 Bos taurus Mucin-15 Proteins 0.000 claims abstract description 25
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 claims abstract description 14
- 229930191978 Gibberellin Natural products 0.000 claims abstract description 13
- IXORZMNAPKEEDV-UHFFFAOYSA-N gibberellic acid GA3 Natural products OC(=O)C1C2(C3)CC(=C)C3(O)CCC2C2(C=CC3O)C1C3(C)C(=O)O2 IXORZMNAPKEEDV-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000003448 gibberellin Substances 0.000 claims abstract description 13
- IXVMHGVQKLDRKH-VRESXRICSA-N Brassinolide Natural products O=C1OC[C@@H]2[C@@H]3[C@@](C)([C@H]([C@@H]([C@@H](O)[C@H](O)[C@H](C(C)C)C)C)CC3)CC[C@@H]2[C@]2(C)[C@@H]1C[C@H](O)[C@H](O)C2 IXVMHGVQKLDRKH-VRESXRICSA-N 0.000 claims abstract description 11
- FBPFZTCFMRRESA-FSIIMWSLSA-N D-Glucitol Natural products OC[C@H](O)[C@H](O)[C@@H](O)[C@H](O)CO FBPFZTCFMRRESA-FSIIMWSLSA-N 0.000 claims abstract description 11
- IXVMHGVQKLDRKH-KNBKMWSGSA-N brassinolide Chemical compound C1OC(=O)[C@H]2C[C@H](O)[C@H](O)C[C@]2(C)[C@H]2CC[C@]3(C)[C@@H]([C@H](C)[C@@H](O)[C@H](O)[C@@H](C)C(C)C)CC[C@H]3[C@@H]21 IXVMHGVQKLDRKH-KNBKMWSGSA-N 0.000 claims abstract description 11
- GOMNOOKGLZYEJT-UHFFFAOYSA-N isoflavone Chemical compound C=1OC2=CC=CC=C2C(=O)C=1C1=CC=CC=C1 GOMNOOKGLZYEJT-UHFFFAOYSA-N 0.000 claims abstract description 11
- CJWQYWQDLBZGPD-UHFFFAOYSA-N isoflavone Natural products C1=C(OC)C(OC)=CC(OC)=C1C1=COC2=C(C=CC(C)(C)O3)C3=C(OC)C=C2C1=O CJWQYWQDLBZGPD-UHFFFAOYSA-N 0.000 claims abstract description 11
- 235000008696 isoflavones Nutrition 0.000 claims abstract description 11
- 239000000600 sorbitol Substances 0.000 claims abstract description 11
- DARPYRSDRJYGIF-PTNGSMBKSA-N (Z)-3-ethoxy-2-naphthalen-2-ylsulfonylprop-2-enenitrile Chemical compound C1=CC=CC2=CC(S(=O)(=O)C(\C#N)=C/OCC)=CC=C21 DARPYRSDRJYGIF-PTNGSMBKSA-N 0.000 claims abstract description 9
- 238000005507 spraying Methods 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 7
- 241000196324 Embryophyta Species 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 241000241602 Gossypianthus Species 0.000 claims 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 6
- 241000219146 Gossypium Species 0.000 description 37
- 238000011282 treatment Methods 0.000 description 24
- 238000011161 development Methods 0.000 description 8
- 230000018109 developmental process Effects 0.000 description 8
- 235000013399 edible fruits Nutrition 0.000 description 8
- 230000000694 effects Effects 0.000 description 8
- 238000011835 investigation Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 210000000056 organ Anatomy 0.000 description 6
- 230000001737 promoting effect Effects 0.000 description 6
- 230000015572 biosynthetic process Effects 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 240000002024 Gossypium herbaceum Species 0.000 description 4
- 235000004341 Gossypium herbaceum Nutrition 0.000 description 4
- 238000003306 harvesting Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000004069 differentiation Effects 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000005556 hormone Substances 0.000 description 3
- 229940088597 hormone Drugs 0.000 description 3
- 230000010198 maturation time Effects 0.000 description 3
- 230000000243 photosynthetic effect Effects 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 239000005984 Mepiquat Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 2
- ZNJFBWYDHIGLCU-HWKXXFMVSA-N jasmonic acid Chemical compound CC\C=C/C[C@@H]1[C@@H](CC(O)=O)CCC1=O ZNJFBWYDHIGLCU-HWKXXFMVSA-N 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- NNCAWEWCFVZOGF-UHFFFAOYSA-N mepiquat Chemical compound C[N+]1(C)CCCCC1 NNCAWEWCFVZOGF-UHFFFAOYSA-N 0.000 description 2
- 230000001850 reproductive effect Effects 0.000 description 2
- 238000009331 sowing Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- UDPGUMQDCGORJQ-UHFFFAOYSA-N (2-chloroethyl)phosphonic acid Chemical class OP(O)(=O)CCCl UDPGUMQDCGORJQ-UHFFFAOYSA-N 0.000 description 1
- 229930192334 Auxin Natural products 0.000 description 1
- 240000002834 Paulownia tomentosa Species 0.000 description 1
- 235000010678 Paulownia tomentosa Nutrition 0.000 description 1
- HFCYZXMHUIHAQI-UHFFFAOYSA-N Thidiazuron Chemical compound C=1C=CC=CC=1NC(=O)NC1=CN=NS1 HFCYZXMHUIHAQI-UHFFFAOYSA-N 0.000 description 1
- 239000002363 auxin Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008147 floral bud development Effects 0.000 description 1
- 239000007952 growth promoter Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- SEOVTRFCIGRIMH-UHFFFAOYSA-N indole-3-acetic acid Chemical compound C1=CC=C2C(CC(=O)O)=CNC2=C1 SEOVTRFCIGRIMH-UHFFFAOYSA-N 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- ZNJFBWYDHIGLCU-UHFFFAOYSA-N jasmonic acid Natural products CCC=CCC1C(CC(O)=O)CCC1=O ZNJFBWYDHIGLCU-UHFFFAOYSA-N 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 235000015097 nutrients Nutrition 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N31/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic oxygen or sulfur compounds
- A01N31/02—Acyclic compounds
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G22/00—Cultivation of specific crops or plants not otherwise provided for
- A01G22/50—Cotton
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G7/00—Botany in general
- A01G7/06—Treatment of growing trees or plants, e.g. for preventing decay of wood, for tingeing flowers or wood, for prolonging the life of plants
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/06—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings
- A01N43/12—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom five-membered rings condensed with a carbocyclic ring
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/14—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings
- A01N43/16—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom six-membered rings with oxygen as the ring hetero atom
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/02—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms
- A01N43/04—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom
- A01N43/22—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atoms with one hetero atom rings with more than six members
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
- A01N43/34—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom
- A01N43/40—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one nitrogen atom as the only ring hetero atom six-membered rings
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N45/00—Biocides, pest repellants or attractants, or plant growth regulators, containing compounds having three or more carbocyclic rings condensed among themselves, at least one ring not being a six-membered ring
Abstract
The invention discloses a cotton flower-promoting and ripening agent and a flower-promoting and ripening method, and belongs to the technical field of cotton planting. The cotton flower-promoting ripener consists of a component I and a component II, wherein the component I consists of sorbitol and gibberellin; the component II consists of brassinolide, mepiquat chloride and isoflavone. According to the flower-promoting ripening method, the component I and the component II are sprayed at different periods, so that the flowering period is shortened, the difference of cotton boll ripening time is further reduced, the purpose of centralized boll opening is achieved, and the method has good popularization and application values.
Description
Technical Field
The invention relates to the field of cotton planting, and particularly provides a cotton flower-promoting and ripening agent and a flower-promoting and ripening method.
Background
Cotton is an important economic crop and strategic substance in China, and has an irreplaceable important position in national economy. Along with the improvement of mechanization level, mechanical cotton picking becomes an important way for reducing labor for cotton planting and improving cotton planting benefits. The boll opening period of the cotton is about 60-70 days from the middle and last ten days of 8 months to the beginning of 10 months or 11 months, the boll opening period is too long, mechanical harvesting is not facilitated, and harvesting can be completed only by 2-3 times. The ripener is applied to adjust the reasonable growth and development of cotton, construct reasonable plant type and colony structure of cotton, promote the reproductive growth of cotton, shorten the boll opening period and improve the boll opening rate. Scientific application of the ripener is an important premise for mechanical cotton harvesting, and can improve the operation efficiency and the picking rate of mechanical cotton harvesting and reduce the operation times. The ripeners in the current market mainly comprise thidiazuron and ethephon series, the products are mainly used in the middle and later boll opening period, the boll opening rate reaches 40% (generally in the middle and last ten days of 9 months), so that the boll opening process is accelerated, the goal of centralized boll opening is achieved, and if the products are used in advance, the functions of cotton leaves are influenced, the photosynthesis is reduced, and the yield and the quality of cotton are influenced.
Disclosure of Invention
The technical task of the invention is to provide a cotton flower-promoting ripener which can reduce the difference of cotton boll maturation time and lead cotton to be bloomed intensively, aiming at the defects of the prior art.
The invention further provides a cotton flower-promoting and ripening method.
The technical scheme adopted by the invention for solving the technical problems is as follows: the cotton flower-promoting ripener is characterized by consisting of a component I and a component II, wherein the component I consists of sorbitol and gibberellin; the component II consists of brassinolide, mepiquat chloride and isoflavone.
Preferably, the mass ratio of the sorbitol to the gibberellin in the component I is (55-70): 30-45, and particularly preferably (55-60): 40-45.
Preferably, the mass ratio of brassinolide, mepiquat chloride and isoflavone in the component II is (0.05-0.1): (20-40): (60-80), and particularly preferably (0.05-0.1): (20-30): (70-80).
The method for promoting cotton blossom and ripening is characterized in that a component I is applied in the initial flowering period, the dosage of the component I per mu is 20-40g, 10-15Kg of water is added, and the component I consists of sorbitol and gibberellin;
applying a component II in the full-bell period, wherein the dosage of the component II per mu is 15-25g, and 10-15Kg of water is added, and the component II consists of brassinolide, mepiquat chloride and isoflavone.
In the component I, sorbitol can promote flower bud differentiation, and gibberellin can promote the development of flower organs. In the initial flowering period, the cotton flowering process is promoted from the lower fruit branches to the middle fruit branches, and the component I can promote the flower bud development of the middle and upper fruit branches and accelerate the flowering process.
The mepiquat chloride in the component II can inhibit the synthesis of gibberellin in plants, so as to inhibit the formation and development of flowers, and brassinolide and isoflavone can promote the development of reproductive organs, promote the transfer of photosynthetic products to flower boll organs and accelerate the maturation of bloomed flowers and cotton bolls. The application of the component II in the full boll stage can inhibit the formation of ineffective flowers, accelerate the maturation of bloomed flowers and cotton bolls, reduce the maturation time difference of the upper bolls and the lower bolls and further promote the centralized boll opening.
Preferably, component I is applied 1-2 weeks prior to manual or chemical topping.
Preferably, the component I and the component II are applied in a whole plant spraying mode.
Compared with the prior art, the cotton flower-promoting ripening agent and the flower-promoting ripening method have the following outstanding beneficial effects:
(1) the preparation process is simple and pollution-free.
The raw materials can be used after being mixed according to the proportion, and the operation is simple and convenient, and the use is convenient. No toxicity, no smell, safety, environmental protection and no pollution to plants, soil and underground water.
(2) Strong innovation and no like products
From late 6 months (early flowering period) to mid 8 months (full boll period), cotton continuously blooms from lower fruit branches to upper fruit branches, and the process lasts for more than 70 days. The longer the duration of the flowering period, the larger the difference between the upper and lower boll maturation time, and the more unfavorable the centralized boll opening. The development of plant flower buds is mainly determined by external factors (temperature and illumination time) and internal factors (hormones such as gibberellin, auxin and jasmonic acid). Since the external cause of cotton blooming is possessed in the last 6 th of month, the temperature and the illumination time are both satisfied, so that the lower fruit branches begin to bloom and then gradually transfer to the upper fruit branches, and the process is determined by the hormone content in flower buds at different parts of a cotton plant and the distribution of photosynthetic substances and nutrients, so that the applicant shortens the cotton blooming period, shortens the boll opening period, reduces the difference of boll maturing time and achieves the purpose of concentrated maturing by changing the hormone content at different parts of the cotton plant and promoting the transfer of photosynthetic substances on leaves to boll organs aiming at the cotton blooming period. At present, products with the same function do not exist in the market, and the application market prospect is wide.
(3) Multiple components supplement each other and the effect is obvious
The component I mainly has the effects of promoting flowering of fruit branches at the middle upper part, wherein sorbitol promotes flower bud differentiation, gibberellin can promote development of flower organs, and the effect relates to the whole process from flower bud tissue differentiation to flower organ formation, so that the flower promoting effect is obvious. The component II has the effects of inhibiting flowering and accelerating the mature of flowering bolls, wherein mepiquat chloride inhibits the formation and development of flowers and prevents ineffective flowers from being generated, brassinolide and isoflavone promote the mature of flowering flowers and bolls, the saved energy is applied to the flowering flowers and bolls, and the ripening effect is remarkable.
Detailed Description
The present invention is further illustrated by the following examples, which are not to be construed as limiting the invention.
Example (b):
the cotton flower-promoting ripener comprises a component I and a component II which are respectively mixed by substances shown in a table 1.
TABLE 1 ratio of components of different samples of cotton flower-promoting ripener
The first test example:
in 2021, Xinjiang Qutun 7 Shi 125 Tung cotton field was used for field experiments to study the effect of the ripening agent in spring cotton in the inland northwest of China.
The experiment is provided with 2 treatments, the flower and ripening of the sample 1 of the preparation example are promoted and contrasted by spraying, and each treatment is provided with 3 repetitions, wherein the total number of the treatments is 6 small zones, the large rows are planted, the large rows are 66cm, the small rows are 10cm, the 6 rows are zones, and the row length is 10 m. The sowing time is 4 months and 11 days, a film is covered and a dropper is adopted, mechanical sowing is carried out, and the variety to be tested is Xinluao No. 59. The treatment was carried out by spraying component I (sorbitol: gibberellin 70: 30) on day 3 of month 7, spraying chemical topping agent on day 15 of month 7, and spraying component II (brassinolide: mepiquat: isoflavone 0.05: 29.95: 70) on day 7 of month 8. Other field management is the same as local conventional management. Continuous 20 cotton plants were selected for each plot and the boll opening rate was investigated. The results of 9 months and 7 days on investigation on boll opening rate are as follows: the control boll opening rate is 27.2 percent, the boll opening rate of the spraying flower-promoting ripening treatment is 33.5 percent, and the boll opening rate is improved by 23.2 percent; the results of investigation of the boll opening rate in 10 months and 7 days are as follows: compared with the cotton boll opening rate of 84.1 percent, the cotton boll opening rate of the spraying flower-promoting ripening treatment is 97.3 percent, and the cotton boll opening rate is improved by 15.7 percent.
Test example two:
in 2021, field experiments were carried out on Amelanchier-free West Queen township in Shandong, and the use effect of the flower promoting ripener on short-season cotton in cotton areas in yellow river drainage areas was studied.
The test set 4 treatments, spray preparation example sample 3, sample 4, sample 5 and control, each treatment set 3 replicates for 12 plots, large and small rows planted, large row 66cm, small row 10cm, 6 rows area, row length 10 m. Mechanically direct seeding for 5 months and 25 days, and covering a film, wherein the test variety is Lu cotton 245. Treatment i and treatment ii, component i (sorbitol: gibberellin: 55: 45) was sprayed 12 days before artificial topping, 7 months and 8 days, and treatment i and treatment iii, component ii (brassinolide: mepiquat: isoflavone: 0.10: 19.90: 80) was sprayed 14 days after artificial topping. Other field management is the same as local conventional management. Continuous 20 cotton plants were selected in each plot, and the number of buds and flowers was investigated in 31 days in 7 months, 28 days in 8 months, and the boll opening rate was investigated in 17 days in 9 months and 19 days in 10 months. The results of the investigation are shown in Table 2. The results of investigation of the number of buds at 31 days in 7 months show that the treatment I and the treatment II are respectively increased by 32.5 percent and 28.2 percent compared with the control, and the difference between the treatment III and the control is not obvious, which shows that the component I of the flower-promoting ripener can obviously promote the cotton flowering process. The result of the number of bolls formed by investigation on 28 days in 8 months shows that the treatment I, the treatment II and the treatment III are respectively increased by 29.6 percent, 14.8 percent and 18.5 percent compared with the control, which indicates that the flower-promoting ripener component II remarkably promotes the cotton boll development. The results of investigation on 17 days at 9 months show that the boll opening rate of the treatment I, the treatment II and the treatment III are respectively increased by 26.0 percent, 14.5 percent and 15.8 percent compared with the control. The results of investigation of the boll opening rate at 19 days after 10 months show that the treatment I, the treatment II and the treatment III are respectively increased by 18.4 percent, 10.9 percent and 12.5 percent compared with the control. The component I and the component II of the flower promoting and ripener can promote the centralized ripening of cotton, and especially the component I and the component II have better effect when used simultaneously.
TABLE 2 influence of Cotton spray with Cotton growth promoters
Note: the number of buds and flowers was investigated on 31 days in 7 months, the number of bolls was investigated on 28 days in 8 months, and the boll opening rate was investigated on 17 days in 9 months and 19 days in 10 months.
Claims (6)
1. The cotton flower-promoting ripener is characterized in that: consists of a component I and a component II,
the component I consists of sorbitol and gibberellin;
the component II consists of brassinolide, mepiquat chloride and isoflavone.
2. The cotton flower forcing ripener of claim 1, wherein: the mass ratio of the sorbitol to the gibberellin in the component I is (55-70) to (30-45).
3. The cotton flower forcing ripener of claim 1, wherein: the mass ratio of brassinolide, mepiquat chloride and isoflavone in the component II is (0.05-0.1): (20-40): 60-80).
4. The cotton flower-promoting and ripening method is characterized by comprising the following steps:
applying component I in the initial flowering period, wherein the dosage of component I per mu is 20-40g, adding 10-15Kg of water,
the component I consists of sorbitol and gibberellin;
applying component II in the full-bell period, wherein the dosage of component II per mu is 15-25g, adding 10-15Kg of water,
the component II consists of brassinolide, mepiquat chloride and isoflavone.
5. The cotton flower forcing and ripening method according to claim 4, wherein: component i is applied 1-2 weeks prior to manual or chemical topping.
6. The cotton flower forcing and ripening method according to claim 4, wherein: the component I and the component II are applied in a whole plant spraying mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111419116.5A CN114052015A (en) | 2021-11-26 | 2021-11-26 | Cotton flower-promoting ripening agent and flower-promoting ripening method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111419116.5A CN114052015A (en) | 2021-11-26 | 2021-11-26 | Cotton flower-promoting ripening agent and flower-promoting ripening method |
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| CN114052015A true CN114052015A (en) | 2022-02-18 |
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| CN202111419116.5A Pending CN114052015A (en) | 2021-11-26 | 2021-11-26 | Cotton flower-promoting ripening agent and flower-promoting ripening method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN115226588A (en) * | 2022-06-24 | 2022-10-25 | 河北省农林科学院棉花研究所（河北省农林科学院特种经济作物研究所） | Cotton early ripening and rotten boll prevention method |
| CN115226588B (en) * | 2022-06-24 | 2024-02-23 | 河北省农林科学院棉花研究所（河北省农林科学院特种经济作物研究所） | Method for preventing cotton from rotting by early ripening |
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