Prevent soybeans from growing too tall and lodging
隐藏域元素占位
Prevent soybeans from growing too tall and lodging
Regulators that prevent soybeans from growing too tall and lodging
Chlorhexidine
Soaking the seeds with 500~750 mg/L liquid for 6 hours, the liquid is suitable for submerging the seeds, which can promote the growth of plant roots, improve the water absorption capacity of roots, increase the accumulation of proline in the body, and enhance the resistance of plants to early, cold, and salinity. and disease resistance.1000~2500mg/L liquid spraying on the leaves at the early flowering stage can promote the dwarfing of plants, thick stems, prevent lodging, increase branches, increase the number of pods and seeds, and promote the purpose of increasing yield.
Choline chloride
Foliar spraying with 1000-1500 mg/L choline chloride during the flowering period can dwarf plants and increase yield.
Formaline
From flowering to pod setting, foliar spraying at 100-200 mg/L can effectively suppress plant height, promote the number of pods and increase yield.
Paclobutrazol
Paclobutrazol is generally used in vigorous crops to inhibit cell elongation, reduce plant height and improve field density. Prevent plant growth and lodging; Increase the number of main stem nodes and stem thickness, increase the number of effective branches and pods; deepen the leaf color, increase the photosynthetic capacity, and promote the transport of photosynthetic products to the grain, thereby increasing the yield.Spring soybeans are used during the sealing period, and 100-200 mg/L liquid medicine is used for summer soybeans during the flowering period. If the soil is fertile and the plants are leggy, the concentration can be appropriately increased, but it should not exceed 300 mg/L.
Uniconazole
Direct seed dressing, stuffing or mixing into seed coating agent for seed coating with dilute solution of unconazole can make soybean seedlings dwarf, and also increase stem thickness, chlorophyll content, number of branches, number of flowering plants, number of pods, Grain count and grain weight.Soaking seeds with 0.2~0.4 mg/L liquid medicine for 2 hours reduced the seedling height, increased the soybean emergence rate, stem diameter and root-shoot ratio; at the same time, it also increased the relative water content of leaves, proline (Pro) content and soluble sugar content , to promote the growth of soybean seedlings, improve stress resistance.Soybean plants sprayed with 25-60 mg/L uniconazole at the branching stage showed a decrease in plant height, an increase in stem diameter, and an increase in the number of branches, which was beneficial to increased yield and accumulation of protein and crude fat.
Triiodobenzoic acid
Triiodobenzoic acid can hinder the transport of auxin in plants and inhibit the growth of stem tops. From the early flowering stage to the full flowering stage, 100~200 mg/L of liquid medicine is sprayed on the foliage once, which can make the stems thick, prevent lodging, promote flowering and pod formation, increase yield and improve quality.. It can be used on the vigorously growing middle-ripening and late-maturing varieties or soybean intercropped with corn, and the yield increase effect is remarkable. Weak growth or very early maturing varieties should not be used.
Ethephon
After the ethephon is absorbed by plants, it releases ethylene in the body, causing physiological changes, promoting fruit ripening, making soybean plants short and strong, and increasing yield.When soybeans have 9~12 leaves, use 40% ethephon to prepare 300~500 mg/L ethephon solution, spray 30~40L of diluent per acre, which can make plants short and strong, promote fruit ripening, and increase yield.
Fonidol
The main physiological function of fenidol is to inhibit vegetative growth and promote reproductive growth; increase the nodule quality of legume crops, improve the absorption efficiency and utilization rate of nitrogen and phosphorus, increase the number of pods, the number of full grains and grain weight, and increase the yield.. Soak seeds with 100~300mg/L pyridyl alcohol liquid for 2 hours or spray 4ml of 80% pyridyl alcohol EC on the soybean seeds used per acre for seed dressing, mix well and air dry before sowing;For foliar spraying, use 200mg/L pyridyl alcohol liquid once at the beginning and full bloom period, or once in full bloom period with 500mg/L liquid medicine, which can promote plant dwarfing, more pods and grains. weight gain.
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