Prevent lodging in high-quality Brassica napus
隐藏域元素占位
Prevent lodging in high-quality Brassica napus
Application of Regulators to Prevent Lodging in High-Quality Brassica napus
Paclobutrazol
The cabbage-type high-quality rapeseed varieties currently promoted are on the high side, and are prone to lodging in the later stage, resulting in many shaded corners and reduced yield.Spraying 150 mg/L paclobutrazol solution in the vigorous growth period can reduce the plant height at the mature stage by 17.2 cm and the height of the primary branch by 13.9 cm, and increase the number of effective branches at one time, the number of effective pods per plant and the number of grains per pod. It can enhance the cold resistance, disease resistance and lodging resistance of plants, the lodging rate is reduced by 30%, and the yield is increased by 14.3%.
Formaline
Formaline can make the fruiting branches of rapeseed compact, delay the capping period, prolong the photosynthesis time of the middle and lower leaves, increase the group photosynthetic rate, increase the yield by 17.2%-30.4%, and prevent lodging.The treatment method is to spray 40~80 mg/L of methicone solution in the early stage of rape bolting.
Fonidol
Fondanol is used during the reproductive period of rapeseed.In full bloom stage, spray foliar surface with 50 mL of 90% fenpidol EC and 45 L of water, which can control vegetative growth, promote reproductive growth, increase seed setting rate, increase seed weight, increase nitrogen fixation and root nodule number, and have certain disease resistance and Anti-lodging effect.
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