Regulate soybean growth and increase yield
隐藏域元素占位
Regulate soybean growth and increase yield
Regulate soybean growth and increase yield
Yield
Low-concentration yield-increasing spirits can regulate the transfer of nutrients from plant vegetative organs to reproductive organs, promote flowering, fruiting, and increase yield.During the soybean blooming to pod setting stage, spray twice with 15-30 mg/L Yield-enhancing solution, every 7-10 d, spray 30-50 kg per mu, which can promote plant growth, increase branching, and expand leaf area. Improve photosynthetic efficiency, and promote the transport of assimilates to flower pods, improve pod setting rate, and increase yield by 7% to 15%.However, premature spraying or high concentration can cause leggy and lodging. Therefore, the yield-increasing effect on vigorously growing plants is not obvious, and the yield-increasing effect on weakly growing plants and early-maturing varieties is greater.
Naphthalene Acetic Acid (Sodium)
In the peak period of soybean pod formation, 3-5 mg/L naphthalene acetic acid (sodium) liquid is used to focus on spraying the pods, which can regulate the transfer of photosynthetic products from leaves to the pods, inhibit the formation of abscission, reduce the drop of flowers and pods, and achieve early maturity and increased yield.
Benzylaminopurine
The foliar spraying of 200 mg/L benzylaminopurine at the early flowering stage was beneficial to the accumulation of photosynthetic products in leaves and improved yield.At the same time, the protein content in soybean grains is increased, the content of fatty acid components in the grains is affected, and the quality of soybeans is improved.
Zeatin
In soybean seedling stage, branching stage and flowering stage, spraying with 0.0016 mg/L 3 times can promote yield increase.
Chlorpyrifos
The foliar spraying of 1-5 mg/L liquid medicine from the initial flowering period to the full flowering period can reduce the pods, increase the number of three-grained fruits, promote the plumpness of soybean grains, and increase the yield.
Brassinolide
Apply 0.02~0.04 mg/L Brassin lactone solution once at soybean seedling stage and early flowering stage, and then once every 7~10 d, for a total of about 3~4 times in the whole period, which can promote soybean Pod setting rate, increase yield.
Sodium nitrate
Use 6-12 mg/L sodium nitrophenolate solution to spray once each at the flower bud formation stage, the early stage of pod formation and the pod expansion stage to increase the 100-grain weight of soybeans, increase the yield, and at the same time improve the quality of soybeans and increase the crude protein and crude fat content.
Diethyl aminoethyl hexanoate
At the end of flowering, spraying the whole plant with 20 mg/L diethyl aminoethyl hexanoate can promote the increase in the number of soybean pods and 100-grain weight, and the yield is significantly increased.At the same time, it can be mixed with 15 mg/L chitosan or 4 mg/L oligosaccharide to control gray spot and downy mildew.
DCPTA
After 4 true leaves, the first flowering stage and the pod setting stage, evenly spraying 30~40 mg/L DCPTA liquid can not only greatly increase the yield of beans, but also improve the quality of beans, and increase the protein and fat content.
Triacontanol
The dosage forms of triacontanol include milk powder, emulsifiable concentrate, colloidal suspension and microparticles, among which the medicinal effect of milk powder is stable.Foliar spraying can be sprayed with 0.5 mg/L milk powder solution during the full flowering period, which can make leaves greener, improve photosynthesis and material accumulation, increase seed setting rate and 100-grain weight, and increase yield by 21.1%.If other formulations are used, 0.5 mg/L liquid is also used, and sprayed once at the beginning and full flowering period.It can improve the nitrogen fixation activity of root nodules and the nitrate reductase activity of leaves at seedling stage, thereby significantly promoting the absorption of nitrogen by soybean.
Resorcinol or Salicylic Acid
Spraying 20 mg/L resorcinol or 20 mg/L salicylic acid solution at the aesculus stage of soybean can accelerate the growth of main stem, promote early flowering, and increase the number of flowering per plant, the number of pods, 100-grain weight and yield . In comparison, the treatment effect of resorcinol is better.
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