How to prevent and cure chrysanthemum red spider?
How to control chrysanthemum spider? Please introduce red spider: harmful leaves were yellow spots at the beginning, serious leaf curl, yellow fall off, affect growth and do not bloom. Control method: spray 20% dicofol emulsifiable concentrate 800 times or aphid kill 1000 times liquid and control aphids, continuous application 2 to 3 times. Click for more chrysanthemum planting techniques Click for more flower planting techniques
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How to effectively prevent and cure chrysanthemum virus disease?
How to effectively prevent and cure chrysanthemum virus disease? Please introduce that virus disease is a kind of disease easy to occur in chrysanthemum, which needs to be prevented and treated. 1. Strict quarantine. Chrysanthemum virus disease strain is a virus-carrying body, introduction should be carried out strict quarantine, to prevent the artificial transmission of the virus to the virus-free area, or from the virus area, expand the disease area.
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How to harvest hericium Erinaceus?
How to harvest hericium Erinaceus? Please guide hericium Erinaceus generally takes 20 days from primordium formation to harvest, the timely harvest has the highest yield and the best quality. The sign of the maturity of the fruiting body of hericium Erinaceus is: the mushroom body is basically long, solid, white, with spines on the surface, the length of which is 0.5 cm, and the spores are not ejected.
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