Enhance the resistance of cotton seedlings and increase plant stress tolerance
隐藏域元素占位
Enhance the resistance of cotton seedlings and increase plant stress tolerance
Application of Regulators to Enhance Resistance and Increase Stress Tolerance in Cotton Seedlings
Chlorhexidine
Soak the seeds with 0.3%~0.5% liquid medicine for 4~6 hours, then take them out, and then treat them according to the conventional method before sowing; or spray the whole plant with 20mg/L liquid medicine at the seedling stage, which can promote the cultivation of strong seedlings and improve the stress resistance of seedlings. .
Methylpiperium
Soaking seeds with 200mg/L mepinium solution for 12h (28℃) can enhance the root vigor of cotton seedlings. It was manifested as root reducing ability (TTC method) and respiration rate increased, cell membrane permeability decreased, apoptotic cells decreased, and K+ net inflow rate increased.
Uniconazole
The use of 25mg/L uniconazole for cotton seed dressing can effectively control the leggy growth of cotton plants, reduce the height of cotton plants, make the stems thick, the leaves are dark green, and the shape of the plants tends to the requirements of strong seedlings.In addition, the number of fruit branches and the total number of fruit nodes of cotton plant increased after treatment, which greatly increased the yield of cotton plant, and the increase rate was 22%.
27.5% amine fresh and mepinium
Spraying with 90mg/L liquid medicine at the seedling stage can protect the roots and strengthen the seedlings, directional shaping, and enhance the ability to resist drought and waterlogging.
Allocin
At the seedling stage of cotton with 3 true leaves, 10 days after the first application and at the initial flowering stage, spray the stems and leaves with 1.6-2.5 mg/L S-inducing antibiotic solution, which can enhance plant photosynthesis, promote root development and The synthesis and accumulation of nutrients have a certain effect on improving quality and increasing yield.
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