Brassinolide is widely used in crops, so what is the role of brassinolide for different crops?
Today we will summarize the crops into four categories, namely “fruit treesâ€, “vegetablesâ€, “food crops†and “economic cropsâ€, to analyze the role of brassini from different crops.
1. Fruit crops
1, citrus, grapes, lychee, longan, apple, pear, etc.
Period of use: before flowering, flower bud period, young fruit expansion period, strong fruit period, color change period.
Dosage: Foliar spray with 0.0075% of brassinolide water 12 ml and water 15-30 kg.
Effect:
(1) Promote flower bud differentiation before flowering, promote early flowering, more flowering, and improve fruit setting rate. Reduce the number of fallen flowers, increase the number of fruits, accelerate fruit development, and the young fruit is both large and strong.
(2) Reduce cracking, strengthen the tree body, reduce disease, and effectively control the shoot. Regulate the nutrient balance, ensure that the fruit size is uniform, increase the weight of the single fruit, and increase the yield.
(3) Coloring the fruit early, improving fruit quality, accumulating sugar, preventing fruit drop before harvest, reducing pesticide residues, and increasing fruit price.
2, peach, medlar, plum, apricot, strawberry, banana, etc.
Period of use: pre-flowering, initial flowering, young fruiting, fruit expansion
Dosage: Foliar spray with 0.0075% of brassinolide 12 ml and 15-30 kg of water.
Use effect: promote growth and development, improve fruit quality. Effectively promote more flowers and more fruit, even fruit, can increase sweetness, increase single fruit weight, increase yield.
3, chestnut, walnut, etc.
Period of use: leaf extension period, late flowering stage, fruit expansion period
Dosage: Foliar spray is applied with 0.0075% of brassinolide 12 ml and water of 15-30 kg.
Use effect: promote early flowering and more flowering. Reduce the number of fallen flowers and fruits, increase the number of fruits, the fruit is large and strong, the fruit is even, reducing the disease, improving the sugar, sweetening and improving the storage stability of the fruit.
Second, vegetable crops
1. Solanaceae such as tomato, eggplant and pepper
Period of use: seedling stage, flowering stage, young fruit stage after fruit setting
Dosage: Foliar spray with 0.0075% of brassinolide water 6ml and water 15kg.
Use effect: Miao Zhuang, disease-resistant, anti-reverse, increase flowers and preserve fruit, fruit even and bright, quality improvement, early maturity, extended harvest period of 15-30 days, increase production.
2, watermelon, melon, cantaloupe, cucumber and other melons
Period of use: seedling stage, flowering stage, young fruit stage after fruit setting
Dosage: Foliar spray with 0.0075% of brassinolide water 6ml and water 15kg.
Use effect: Miao Zhuang, disease-resistant, anti-reverse, increase flowers and preserve fruit, fruit enlargement, sweet taste, quality improvement, early maturity, increase production.
3, radish, carrots and other roots
Period of use: seedling stage, fleshy root formation period
Dosage: Foliar spray with 0.0075% of brassinolide water 6ml and water 15kg.
Use effect: Miao Zhuang, disease-resistant, anti-reverse, straight root, thick and strong, smooth skin, improved quality, early maturity, increased production.
4, peas, beans, peas and other beans
Period of use: seedling stage, full flowering stage, pod-forming stage
Dosage: Foliar spray with 0.0075% of brassinolide water 6ml and water 15kg.
Use effect: Miao Zhuang has good resistance to stress, increase pod formation rate, premature ripening, prolong the growth period and harvest period, and increase yield.
5, lettuce, rapeseed and other leafy vegetables
Period of use: soaking seeds, seedling stage, buds
Dosage: Foliar spray with 0.0075% of brassinolide water 6ml and water 15kg.
Use effect: reduce the occurrence of diseases, and the seedlings are strong. Increase the number of branches per plant, number of pods, grain weight, high oil yield, and enhance low temperature freezing damage and cold spring.
6, onions, garlic, ginger, leeks
Period of use: The vegetative growth period is sprayed once every 10-15 days, a total of 2-3 times;
Dosage: Foliar spray with 0.0075% of brassinolide water 6ml and water 15kg.
Use effect: promote vegetative growth, enhance stress resistance, early maturity, increase production.
Third, food crops
1, wheat
Period of use: seed dressing, seedling stage, jointing stage, flowering stage, filling stage
Dosage: Foliar spray with 0.0075% of brassinolide water 6ml and water 15kg.
Use effect: prevent low temperature freezing damage, protect against drought and protect seedlings, save irrigation water, promote rooting, increase tiller number, effective panicle number and 1000-grain weight, grow vigorously, increase stress resistance, flower more pods, full pods, increase oil yield, precocity , increase production.
2, rice
Period of use: seedling stage, pre-transplantation, tillering stage, filling stage
Dosage: Foliar spray with 0.0075% of brassinolide water 6ml and water 15kg.
Use effect: improve the quality of seedlings, increase tillering, enhance the resistance of seedlings, improve the cold resistance of rice seedlings, make the new roots grow fast, the seedlings are strong, increase tillers, the seedlings return to green quickly, early heading, early flowering, and increase production.
3, corn
Period of use: Corn is generally used in the ear differentiation stage, the floret differentiation stage, the tasseling stage, and the 7 days and 17 days after the silking stage;
Dosage: Use foliar spray with 0.0075 of brassinolide water 6ml and water 15kg.
Use effect: Improve the application of drought resistance of crops, reduce corn abortion rate and increase yield.
Fourth, cash crops
1, peanuts
Period of use: seedling stage, initial flowering stage, pod-forming stage
Dosage: Foliar spray with 0.0075% of brassinolide water 6ml and water 15kg.
Use effect: strong growth and enhanced resistance. It grows steadily and has many pods. The total number of fruits per plant is large, the weight of each fruit and the weight of Bairen are heavy, the pods are full, the oil yield is increased, the precocity is increased, and the yield is increased.
2, cotton
Period of use: seedling stage, flower bud stage, flowering and boll period, boll opening period
Dosage: Foliar spray with 0.0075% of brassinolide water 6ml and water 15kg.
Use effect: Improve the low temperature resistance of seedling stage and promote root growth. Increase photosynthesis, increase pollen activity, promote normal fertilization, improve cotton's resistance to high temperature and drought, and promote the growth and development of young bells. Increase the weight of the bell, increase the number of peaches and prevent rotten peaches.
3, tobacco leaves
Period of use: after planting, grouping period, prolonged period;
Dosage: Foliar spray with 0.0075% of brassinolide water 6ml and water 15kg.
Use effect: promote seed germination, cultivate strong seedlings, promote rooting, increase yield, quality and enhance stress resistance.
4, tea
Period of use: before germination, before and after picking new leaves
Dosage: Foliar spray with 0.0075% of brassinolide water 6ml and water 15kg.
Use effect: increase the germination density of tea buds, and harvest it in advance. The tea tree grows well, the side shoots increase, the shoots grow rapidly, the leaves are fresh, the picking times increase, the yield increases, the nutrients increase the taste, and the pesticide residues are reduced.
Precautions
1. Do not spray when it rains. It should be sprayed again within 6 hours after spraying.
2, spraying time is best before 10:00 am, after 4:00 pm.
3. Strictly follow the instructions for use. Change the protective clothing according to the general operation of the pesticide. Wear a mask and gloves when applying the medicine. Do not eat anything during the period. Do not mix it with alkaline pesticides. Dispose of the equipment properly after administration.
More pesticide encyclopedia , please pay attention to China Pesticide Network
(Source: Good Agricultural Resources Network)
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