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The addition of fungicides to anther drugs prevents the addition of drugs such as iprodione, fludioxonil, and streptomycin sulfate to the anthers, which can effectively prevent the bacteria from infecting the flowers.
Flue-cured tobacco is prevented from burnout for 3 to 4 days after flowering, and 10 to 10% of procymidone is used for 300 to 400 grams of smoked shed per acre. Note that the time of smoking can not exceed 8 hours in order to avoid phytotoxicity.
Reasonable drug use burned out, according to the cause of drug control. Burns caused by gray mold and sclerotinia can be controlled by drugs such as procymidone, ethidium bromide, and fludioxonil; burns caused by M. blight can use metalaxyl meth Drugs such as hydrochlorides are used for prevention and control; burnout caused by bacterial diseases can be controlled by drugs such as kasugamycin, mesoprost, and copper preparations. Loofah's petal tissue is thin, the liquid concentration should not be too large, so as to avoid damage to the flower.
More measures to prevent loofah burnt
To prevent the damage caused by the lack of flowers, the master said that the loss of loofah and the deficiency of the plant are closely related to the lack of boron, which causes the loofah to be black and many vegetable farmers will treat it as an infectious disease. After the floral device is damaged, it cannot be remedied and it can only be prevented in advance. Before the flowering loofah was sprayed, it was sprayed with borax 500 times or Shixin boron fertilizer 1500 times to prevent black hair on the column due to lack of boron.