Poplar rot, also known as rotten skin disease, is one of the most important diseases of various willow trees. Control methods:
(l) Suitable trees
(2) Cultivate healthy and strong seedlings, and do a good job in quarantine at the place of origin, without afforestation with diseased seedlings. Major damage to the trunk and branches.
(3) Seedlings were soaked in water for 1 day to increase disease resistance.
(4) Fill enough water in time after planting, and strengthen tending management.
(5) Scratch the lesions manually, apply 40% of Daisen's ammonium reagent 200 times, and use 50% of Baimei's lime sulfur and concentrated alkali water to apply lesions.
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