Wheat spray anti-loft

Wheat lodging is one of the main factors affecting wheat yield under high fertilizer and water conditions. Spraying such plant growth regulators as paclobutrazol, uniconazole, chlormequat, and auxin can effectively prevent wheat lodging.

Paclobutrazol applied 30 kg of paclobutrazol solution at a concentration of 20010-6 per mus of wheat in the wheat growing season, which resulted in dwarfing of plants, enhanced lodging resistance, and increased nitrogen absorption and utilization of plants.

Uniconazole uniconazole (5% wettable powder) has a 6- to 10-fold higher biological activity than paclobutrazol and is applied to wheat to prevent plant lodging and increase grain weight and reduce the number of infertile spikelets. One kilogram of uniconazole solution with a concentration of 3010-6 to 4010-6 can be sprayed on wheat fields per mu within one week before the jointing of wheat.

Chlormequat is a group with large and prosperous wheat fields. Spraying 0.1 to 0.3% of Chlormequat solution per acre for 50 to 75 kilograms at the beginning of jointing can effectively inhibit internode elongation and make the plant dwarf and stem base. Thickens and hardens to prevent lodging. If mixed with 2,4-D butyl ester, it can also treat broadleaf weeds.

In the jointing stage of wheat, the wheat field uses 15-20 milliliters of melatonin per mu, and 50-60 kilograms of water is sprayed to prevent internode elongation and prevent late lodging.

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