Cotton seedlings prevent disease
2020-10-07 14:17:09
There are two peaks in the dead seedlings of cotton seedlings. First, about half a month after emergence, when the cotton seedlings grow 1 true leaf, the damage is mainly seedling disease. The second is that the main diseases of cotton seedlings in the three-leaf stage are early blight. It generally occurs in 25-30 days after emergence, and in late May in Hebei, it is a severe onset period. Therefore, while strengthening field management, prevention and prevention should be carried out before the onset of disease. Its effective control agents are: 85% trichloroisocyanuric acid wettable powder, spraying water at the seedling stage, and the amount of mu is 35g. Golden Aplon and Shilok seed coating agent 1000 times early onset of spraying, carbendazim, mancozeb, thiophanate-methyl and other 500-800 liquid early onset of spraying, new grams of yellow wither, fulvic acid In the early stages of the onset of wilt disease spraying.
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