From 2017 to 2018, a single item called “芸ä¿å‡¯â€ detonated the agricultural resources market, and more people began to pay attention to brassinolide. However, Shanghai Luyeyuan did not stop, and it pushed the single application of brassinolide to the seed dressing market and brought the brassinolide to a new height.
Brassinolide has been found for a long time, and it has a high-efficiency effect. It has not been widely used in the agricultural market in China. Now, with the effective promotion and application of Shanghai Luyeyuan, the brassinolide is the ultimate “Yuyu Chengzhenbaoâ€. ".
Brassinolide is a hormonal plant growth regulator with natural brassinolide and synthetic brassinolide. The natural brassinolide represents the brand: Shuofeng 481, etc.; The representative brands of brassinolide are: Yunda 120, Tianfengsu, Qitianli and so on. In practical applications, natural brassinolide has the best quality, and the overall economic benefits are better and more popular. Brassinolide can be divided into five categories, the following figure to do a comparison:
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The dosage forms of brassinolide are: 0.01% emulsifiable concentrate, 0.01% powder, 0.01% soluble liquor, 0.0075% aqueous solution, 0.004% emulsifiable concentrate. Among them, 0.01% soluble liquid agent has the highest promotion value. It is extracted from rapeseed and is the sixth largest growth hormone produced by the plant itself. The application range of brassinolide mainly covers all crops, fruits and vegetables currently grown.
Now we are conducting research on brassinolide to further explore its powerful effects, which are more widely used in our actual planting.
(1) Super power
1. Soaking seeds, seed dressing or spraying at the seedling stage
Soaking seeds are usually around twenty-four hours. Soaking seeds, seed dressing (see Figure 1) or foliar spraying (see Figure 2), the seedling roots of the crops have a significant role in promoting the development of the main roots, secondary roots increased significantly.
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Some seed dressings delayed seed germination time (1~2 days) after seed dressing. The author improved the situation after mixing with Bayer Becker in Germany, and the crop roots were more developed. The development of crop roots will inevitably ensure nutrient transport and thus enhance the disease resistance of plants. In the spraying application of wheat seedlings, the wheat tiller is effectively increased, and the yield increasing effect is actually achieved.
2, plant spraying - promote long, anti-reverse, anti-premature aging
Brassinolide not only promotes the dual roles of crop cell division and cell elongation, but also increases the chlorophyll content of crop leaves, enhances photosynthesis, and increases the accumulation of photo-contracted products, thus significantly promoting the growth of plant vegetative growth. . Brassinolide can also stimulate certain protective enzyme activities in plants and enhance the stress resistance of crops, especially in the aspects of drought resistance and low temperature resistance. Spraying brassinolide can effectively prevent premature aging of crops, as shown in Figure 3.
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3, spraying during flowering and fruiting period - keeping flowers and fruits, promoting
Brassinolide can increase the germination rate of crop pollen, promote the elongation of pollen tube, and facilitate the fertilization of plants, thereby increasing the seed setting rate and fruit setting rate. During the maturity of the crop, the number of grains (number) and the weight of the grains (fruit) increased, and the fruits of the melons and fruits showed uniformity of the fruit and improved crop quality. Brassinolide promotes vegetative growth in plants by regulating crop reproductive growth and efficiently increases crop yield. The effect of increasing production is shown in Figure 4.
4. Relieve and alleviate phytotoxicity
The author just got acquainted with brassinolide, which is to solve the phytotoxicity of cornfield herbicides . When the herbicide, bactericidal insecticide is misused, or the concentration ratio is not suitable, the crop will have different degrees of phytotoxicity. Spraying the brassinolide + high-quality foliar fertilizer in time can adjust the nutrient transport of the crop as soon as possible, supplement nutrition and reduce Injury, speed up the recovery of crops. Note: When dealing with phytotoxicity, do not deliberately increase the concentration of brassinolide. If the concentration is too high, it may aggravate the phytotoxicity.
(2) Super strong mixing
1, + chlorpyrifos (KT-30) increase production, quality
Chloropyram has a significant effect on fruit expansion; it can effectively promote plant growth, preserve flowers and preserve fruit, and has a pulling effect on the horizontal and vertical growth of crop organs to achieve the effect of expanding fruit, and can be mixed with brassinolide. Effectively improve the quality of the fruit.
2, + gibberellin, + acetic acid, anti-reverse, hyperplasia, antidote
The combination of brassinolide and gibberellin can increase the flower and fruit hormone levels of crops, enhance the competitiveness of crops on nutrients, promote cell division, reduce physiological fruit drop, promote flower bud differentiation, and maintain good fruit and fruit preservation effect; The combination of lactone and indole acetic acid can greatly improve the growth state of crops, improve the transport of tissues in crops, and enhance the nutrient transport and supplement of plants, so as to achieve the effect of strong seedlings and antidote. Bayer's Bi-protection is the brassinolide + gibberellic acid + indole acetic acid, which plays a role in crop nutrition, stress resistance and remediation.
3. Mixing with Wangwang products to improve control and increase production potential
Ethephon can dwarf corn plant height, promote root development, and resist lodging, but fruit and ear development are also significantly inhibited. Treatment with corn after mixing with brassinolide can significantly enhance root activity, delay leaf senescence, promote ear development, enhance stem toughness, plant dwarfing, stem diameter, and high cellulose content. In windy weather, control The lodging rate is greatly reduced.
Brassinolide can enhance photosynthesis of crops and promote root development; ketamine can coordinate the growth and development of cotton plants, control the growth of cotton plants, delay leaf senescence and increase root activity. The mixed preparation of brassinolide and ketamine in the cotton bud stage, early flowering stage and full bloom stage is better than the two treatments alone, and has a significant synergistic effect, which is to increase the chlorophyll content and photosynthetic rate. Promote root activity and control plant growth.
Paclobutrazol has the characteristics of controlling crop vegetative growth, shortening the internode spacing, promoting reproductive growth, and long-lasting effect. When the two are mixed and used, the effect of the drug is long, and while controlling the growth of the crop, the yield is increased and the lodging resistance is increased. Often used in wheat, peanuts, sweet potatoes and so on.
4, mixed with seed dressing agent, early germination time, root promotion
It is known from practical application that the seed dressing promotes the root system after seed dressing, and the seedlings are green and green, but the germination time often lags behind the non-seed, and this situation is improved after mixing with brassinolide. The germination time, and the root system is more developed, the plant grows more vigorously.
5. Mix with non-alkaline insecticides and fungicides to improve control effect
Because of the action of brassinolide, it enhances crop growth, improves crop resistance to pests and diseases, reduces the number of pesticides used, thereby improving the control effect of insecticides and fungicides, greatly improving labor efficiency and reducing work intensity.
6. Mixed with non-alkaline foliar fertilizer , absorption and synergy of trace elements, speed increase
It can speed up the absorption rate and efficiency of crops on calcium, magnesium, iron, zinc, molybdenum and other micronutrients, and quickly transmit to the parts needed by crops, thereby improving the efficacy of foliar fertilizer and promoting crop yield increase.
7. Mix with non-alkaline herbicides to improve the efficacy, avoid and reduce phytotoxicity
Brassinolide can be mixed with herbicides to fully exert the efficacy of herbicides, accelerate the weed absorption rate, remove grass faster and more thoroughly, reduce the impact on crops, enhance the tolerance of crops to herbicides, crop phytotoxicity The incidence rate is reduced and the recovery time is advanced.
(three) matters needing attention
1. It is forbidden to mix with alkaline pesticides and foliar fertilizers.
2. When the plant is good, the effect is not obvious, and the adversity is outstanding; do not spray at a high concentration.
Brassinolide is a chemical substance that mimics the structure of sterols and belongs to hormone growth regulators. It has a certain concentration. If the concentration is too high, it will not only cause waste, but also may cause phytotoxicity in crops and produce different degrees of inhibition. Brassinolide has no obvious effect in the case of crop growth, but it is obvious in adverse conditions. .
3, auxiliary effects, their own effects can not replace the role of other agents.
Brassinolide, whether it is self-mixed with other agents, only enhances the efficacy within a certain range, but it is not a panacea and cannot solve all problems. Moreover, when the brassinolide is compounded with other agents, it is synergistic but not a substitute for other agents. Therefore, a reasonable choice of combination ratio can better play the product.
4, pay attention to the scope of application and dosage
Brassinolide itself has no nutrients, so it is necessary to ensure the normal supply of nutrients for crops, fruits and vegetables. The amount of brassinolide is small (8~10g), and the number of uses is small (2~3 times). It can be used in all crops, fruits and vegetables. From this we can see that the demand for brassinolide is infinitely huge, and how we use this (class) product requires more thinking.
In short, brassinolide is a green plant growth regulator, which can promote the growth of vegetables, melons, fruits, grains and other crops by soaking seeds with suitable concentration of brassinolide and spraying with stems and leaves. Quality, increase yield, make plants bright, leaves thicker; can also make tea leaves early in time; can also make fruits more sugar, larger individuals, higher yield, more resistant to storage. Brassinolide can be widely used in various crops, generally increasing yield by 5% to 10% and high by up to 30%. At the same time, brassinolide can also improve the drought resistance and cold resistance of crops, and alleviate the symptoms of crops suffering from pests, phytotoxics, fertilizers and freezes.
The sales of “Zhu Baokai†have made the market application of brassinolide a rapid development. We also hope that more advanced combination formulas will be applied to actual production, bringing tangible benefits to China's agricultural development.
More pesticide encyclopedia, please pay attention to China Pesticide Network
(Source: Pesticide Market Information Network)
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