Wheat is the key to spring lodging. "The wheat here is too strong, and there is a high possibility of lodging in the future. This will have an impact on the yield of wheat. This year is the key period to control the lodging of wheat, and waited to get up. After the period, it will not work after the fight." On the day of the March 30th event, Professor Wang Jingyong made a speech and everyone started.
How to effectively prevent wheat from lodging? Wang Jingyong recommends the following three methods. Spraying chlormequat, for the large and long-growing wheat fields, in the early stage of jointing, spraying 0.15%-0.3% of chlormequat solution per acre 50-75 kg, can effectively inhibit the elongation of wheat internodes and make plants short The stem base is coarse and hard to prevent lodging; if mixed with 2,4-D butyl ester, it can also treat broadleaf weeds in wheat fields.
The application of uniconazole in the jointing stage of wheat can prevent plant lodging under high density and high fertilizer conditions, and has the effects of reducing infertile spikelets and increasing 1000-grain weight. In the test, the wheat with application of uniconazole increased the yield by an average of 15.4% compared with the control without encountering wind or lodging. Application method: 1 week before the jointing of wheat, 50 kg of a solution of 30×10-6 to 40×10-6 of the uniconazole was sprayed.
At the end of the jointing stage of wheat, 30 kg of paclobutrazol solution with a concentration of 200×10-6 per acre can make the plant dwarf, increase the lodging resistance, and can cure the wheat powdery mildew and improve the nitrogen absorption and utilization rate of the plant.
This article URL: Wheat anti-rolling spring is the key
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