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A technology for early flowering and black cabbage, applied in horticultural methods, botanical equipment and methods, seed and rhizome treatment, etc., can solve problems such as long time for vernalization and reproduction of black cabbage, shorten the flowering time of bolting, use safety, shorten the effect of cycles
Inactive Publication Date: 2019-02-15
ANHUI AGRICULTURAL UNIVERSITY
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[0008] The purpose of the present invention is to overcome the deficiencies of the prior art and provide a method for promoting the early flowering of Wucai to solve the problem of longer vernalization and propagation time of Wucai in the prior art
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[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the annexes in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.
[0022] This embodiment verifies the feasibility of the method proposed by the present invention through the following method
[0023] After surface sterilization of black cabbage seeds with 20% NaClO, sterile water and BRs with a concentration of 30 mg / L were added, and they were placed in a refrigerator at 4 °C for 5 days for vernalization, and then sown in a nutrient bowl, and the growth environment was day / day. The night temperature is (25±1)℃ / (18±1...
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Abstract
The invention discloses a method for promoting early flowering of wuta-cai, and relates to the field of vegetable chemical control. The method includes the following steps that 1, the surfaces of wuta-cai seeds are disinfected with 20% NaClO; 2, the wuta-cai seeds with the disinfected surfaces are put into mixed liquor of sterile water and brassinolide, a mixture is obtained, and the concentrationof brassinolide is 30 mg/L; 3, the obtained mixture in the second step stands for five days for vernalization, wherein standing temperature is 4 DEG C; 4, the wuta-cai seeds in the mixture treated inthe second step are taken out and then sown in a nutrition pot, the growth environment is that day/night temperature is (25+/-1)/(18+/-1) DEG C, photosynthetically active radiation is 300-500 micromoles.m-2.s-1, and relative humidity is 60-70%; 5, when seedlings each grow to have 4-5 true leaves, mixed liquor of brassinolide with the concentration of 50 mg/L and gibberellin with the concentrationof 900 mg/L starts to be sprayed. Through the method, the breeding period of wuta-cai can be effectively shortened, and selecting and breeding of new varieties of wuta-cai are easily promoted.
Description
technical field [0001] The invention relates to the field of vegetable chemical control, in particular to a method for regulating plant growth. Background technique [0002] Wucai is a variant of Brassica Brassica subsp. Its leaves are fat and tender, can be fried, made soup, salad, delicious and nutritious. Every 100 grams of fresh leaves contains up to 70 mg of vitamin C, 180 mg of calcium and minerals such as iron, phosphorus, and magnesium. [0003] Brassinolides (BRs) are involved in the regulation of many cellular and physiological processes in plants, including cell division and elongation, biosynthesis of cell wall complexes, synthesis of DNA, RNA and various proteins, formation of microtubule structures, nitrogen fixation, Transport of assimilates, development of pollen tubes, differentiation of plant vascular system, formation of adventitious roots, flowering and fruiting, seeds, senescence, etc. [0004] As a natural phytosterol, BRs not only play an important ...
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