The combination of plant growth regulators has always been a concern of farmers. Many people want to try and fear problems. Today, the Chinese pesticide network Xiaobian summarizes the common plant growth regulator compounding methods: the complex of commonly used plant growth regulators. The distribution can be divided into: plant growth regulator mixing, plant growth regulator and fungicide compounding, plant growth regulator and fertilizer compounding.
I. Planting between plant growth regulators <br> Previously, we thought that plant growth regulators were specific and could not be used in combination. Modern plant physiology studies have shown that different plant growth regulators will produce meaning after compounding. Unexpected good results. When the growth promoter and the growth inhibitor are compounded, it is found that some plants can inhibit vegetative growth and promote reproductive growth. When the plant is controlled and lodging, the fruit is expanded, and the yield is improved.
1. Sodium nitrophenolate + sodium naphthaleneacetate It is a new type of compound plant growth regulator with labor saving, low cost, high efficiency and high quality. As a regulator to comprehensively regulate crop growth balance, sodium nitrophenolate can promote crop growth in an all-round way, and compound with sodium naphthalene acetate to strengthen the rooting effect of sodium naphthaleneacetate on the one hand, and enhance the rooting of sodium nitrophenolate on the other hand. Quick-acting, the two promote together, making the rooting effect faster, absorbing nutrients stronger and more comprehensive, accelerating the promotion of crops to stretch and robust, not lodging, thick internodes, increased branching, tillering, disease resistance, lodging resistance.
According to a joint experimental study by Henan Chunyu Agricultural Chemical Research Institute and a number of scientific research units, Chunyu No. 1 (sodium nitrophenolate) and sodium naphthalene acetate were compounded in a ratio of 1:3 and applied to the roots of rootstocks. The results showed that the number of roots was obvious. It is higher than sodium naphthalene acetate alone; the experimental study on soybean showed that the two roots were obviously promoted, and the ability of nitrogen-fixing bacteria in root nodules was significantly enhanced. The apparent appearance was obvious in 2-3 days. The test results showed that the use of re-dioxide The 2000-3000 times aqueous solution of sodium phenolate and sodium naphthalene acetate compound can be sprayed 2-3 times on the leaf surface of wheat rooting stage, which can increase yield by about 15%, and has no adverse effect on wheat quality.
2, DA-6 + ethephon (or sodium nitrophenolate + ethephon)
It is a dwarf, robust, anti-falling regulator for compound corn. Ethephon alone, showing a dwarf effect, and the leaves widened, dark green leaves, upward leaves, secondary roots increased, but prone to premature senescence. According to the experiment of Henan Chunyu Agricultural Chemical Research Institute, the application of DA-6+ ethephon compound in corn is controlled, and the compounding use can reduce the strain by up to 20% compared with the single use of ethephon, which has obvious synergistic effect and anti-premature aging effect.
3, sodium nitrophenolate + gibberellin sodium nitrophenolate and gibberellin as a quick-acting regulator, can play a short time after application, so that the crop shows a good growth effect, and sodium nitrophenolate Combined with gibberellin, according to the application of Zhongwei Chunyu No. 1 (Authentic sodium nitrophenolate) in Zhongju County Jujube Science Research Institute, the effect of sodium nitrophenolate on the effect of adding both is added. It can supplement this defect of gibberellin, and at the same time, by comprehensively regulating the growth balance, avoiding the excessive use of gibberellin to cause damage to the plant body, so that the jujube tree can significantly increase the yield and the quality is also obviously improved.
4. Naphthaleneacetate sodium + strontium butyrate It is the most widely used composite rooting agent in the world. It is widely used in fruit trees, forest trees, vegetables, flowers and some ornamental plants. The mixture can be absorbed by the roots, leaves and germinated seeds to stimulate the cell division and growth of the inner sheath portion of the root, so that the lateral roots grow faster and more, and the plant can absorb the nutrient and water capacity, and the overall growth of the plant is robust. Because the agent often promotes synergy or synergism in promoting plant cutting rooting, plants that are difficult to root can also be rooted.
Second, plant growth regulators and fertilizer compounding
1. Sodium nitrophenolate + urea sodium nitrophenolate + urea can be said to be the "golden partner" in the combination of regulators and fertilizers. In terms of effect, sodium nitrophenolate has the characteristics of comprehensive regulation of crop growth and development to make up for the lack of nutrient requirements in the early stage, making crop nutrition more comprehensive, urea utilization more thorough; in the action time, the rapid effect of sodium nitrophenolate Combined with the quick-acting effect of urea and the quick-acting effect of urea, the appearance and internal changes of the plant are faster and more durable. In the method of action, sodium nitrophenolate is used together with urea, which can be used as base fertilizer or root spray. Fertilization can be described as "three things in one fell swoop." After the Henan Chunyu Agricultural Chemical Research Institute screened hundreds of plant growth regulators + fertilizer combination combinations, the use of Chunyu No. 1 (sodium nitrophenolate) and urea-containing foliar fertilizer test, the plants within 40 hours after application, the leaves It becomes darker and greener, and the yield is significantly improved in the later period.
2, triacontanol + potassium dihydrogen phosphate triacontanol can increase crop photosynthesis, mixed with potassium dihydrogen phosphate spray, can increase crop yield, and then targeted cooperation with other fertilizers or regulators On the corresponding crop, the effect is better. For example, the combination of triacontanol + potassium dihydrogen phosphate + sodium nitrophenolate can increase the yield by more than 20% compared with the former two.
3, DA-6 + trace elements + N, P, K
The compound application of DA-6 and a large number of elements and trace elements is a high-quality combination of a good effect modifier and fertilizer compounded by Henan Chunyu Agricultural Chemical Research Institute after many years of experiments. Hundreds of test data and market feedback information show: DA-6+ trace elements such as zinc sulfate; DA-6+ a large number of elements such as urea, potassium sulfate, etc., make the fertilizer play a dozen times higher than the single use, while Enhance plant disease resistance and stress resistance. The good combination that is preferred from a large number of tests, and then a certain auxiliary agent, is provided to the customer, which benefits the customer.
4, chlormequat + boric acid This mixture is applied to the grape, which can overcome the shortcomings of chlormequat. Tests have shown that spraying the whole plant with a certain concentration of chlormequat 15 days before flowering can greatly increase the yield of the grapes, but reduce the sugar content in the grape juice. The mixture can not only exert the effect of promoting the yield of the fruit by the stiletto, but also overcome the side effect of the reduction of the sugar content after the use of the chlormequat.
three. Plant growth regulator + fungicide
1. Combination of sodium nitrophenolate + sodium allicin sodium and allicin can significantly improve its efficacy, delay the emergence of drug resistance, and can resist the overdose or high toxicity by regulating crop growth. Drug damage, make up for the damage caused. According to the experimental study on the control of cotton Verticillium wilt by using Chunyu No. 1 (Authentic sodium nitrophenolate) + allicin emulsifiable concentrate in Henan Chunyu Agricultural Chemical Research Institute, the incidence of Chunyu No. 1 was reduced by 18.4% compared with the single use of allicin. The compound preparation treatment was stronger than the control cotton, the leaves were dark green, hypertrophic, and the later recession time was later, and the leaf functional period was prolonged.
2, sodium nitrophenolate + carbendazim sodium nitrophenolate mixed with fungicides to improve the surface activity of the agent, increase penetration and adhesion, thus increasing the sterilization effect. Chunyu No. 1 (sodium nitrophenolate) is used in combination with a heterocyclic fungicide such as carbendazim. According to a study by Henan Agricultural University, in the prevention and treatment of peanut leaf diseases, it is sprayed twice in the early stage of the disease to improve the control effect. %, significantly enhances the bactericidal effect.
3. Brassinolide + triadimefon captoprolactone has the effect of promoting the germination and growth of crops, trees and seeds, and improving the stress resistance of crops. According to relevant literature reports, the combination of brassinolide and triadimefon has a control effect against cotton blight of more than 70%, and promotes the growth of cotton roots and shoots. The study also showed that salicylic acid also has a significant synergistic effect on triazolone.
Fourth, plant growth regulator + herbicide
1. Ethephon + paraquat is used as a crop defoliant. The agent can increase the yield when used as a sesame dry defoliant. It is sprayed with ethephon 6 days before the sesame harvest. The effect of drying and defoliation is poor, and the sesame is not increased. The use of paraquat alone is good for defoliation, but not Increasing production, if the two are mixed, not only shows that the effect of dry defoliation is good, but also the yield is increased compared with the control.
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