A growth regulator is a general term for substances that regulate the metabolism, growth and development of plants. Proper use of growth regulators can promote or inhibit the growth of peppers, enhance their resistance to stress, increase seed set rate, harvest early, significantly increase yield, improve quality, and increase profitability. Proper use of growth regulators has a magical effect with less effort than ordinary cultivation measures that enhance fertilizer management.
First, brassinomycin. It is the most physiologically active new growth regulator. Pepper seedling stage, flowering stage, the result of every 15-20 days spraying 1 0.01-0.017 mg / kg (5 g content of 0.1% of the original powder with 55-60 deg.] C after the addition of water dissolved in water 30-50 kg The canthaxin, sprayed 4-5 times, can promote the growth of pepper, early flowering results, increase the number of results and single fruit weight, delay plant senescence, extend harvest time, increase production by 10%-40% . When pepper mosaic virus occurs at 30 plus 5 kg of water and 5 g of ribavirin medical 0.1% brassinolide, whole plant spraying after mixing, 7-10 days, 2-3 times even spray The symptoms of viral disease will soon disappear.
Second, nine hundred and twenty. That is, gibberellin can cause plant cells to elongate and promote growth. After the planting of spring chillies, if the growth is slow due to long-term long-term rain, the seedlings are weak. For every 667 square meters ( 1 mu), use 3-4 g of 920 (dissolved first with white wine) and 5 kg of compound fertilizer for hydration.蔸, can promote the rapid growth of pepper seedlings, effective in about 3 days. Using a concentration of 10 mg / kg ( 1 g of raw powder plus 100 kg of water) of 902 and 0.3% of urea, spraying on the field of pepper saplings (growth without spraying) can quickly and significantly promote its growth.
Third, naphthalene acetic acid. The main physiological role is to promote rooting and prevent falling flowers. During the flowering stage of pepper, the flowering rate was significantly increased with 50 mg / kg naphthaleneacetic acid, and the fruit growth rate was accelerated, which increased the pre-chicken yield by 22.6% and the total yield by 20.4% . And 10 mg / kg of pepper plants sprayed naphthaleneacetic acid, 10-15 days, spray, spray a total of 3-4 times, can promote growth, markedly decreased disease virus disease, to reduce the falling acceleration fruit enlargement, extend the growing season, Increase production and income.
Spraying pepper flowers with 30-50 mg / kg of anti-falling pigment also has a good effect of maintaining flowers and fruits, but the anti-falling pigment can only be sprayed on the flower, and the whole plant can not be sprayed, otherwise it will cause phytotoxicity.
Source: Anhui Agricultural Network
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