Guizhou orchid pest and disease control methods and technical key points

Orchid'spests and diseasesoccur when the growing area has poor air circulation, serious pollution, insufficient light,cultivationmaterials are unsuitable, or management measures are inadequate, under conditions of high temperature and high humidity or low temperature and high humidity. The control method is, besides changing the above-mentioned artificial unfavorable factors, to adopt prevention as the main approach. Orchid's main pests include: scale insects, aphids, red spiders, earthworms, ants, caterpillars, snails, etc. The control method is to select high- and low-toxicity multi-purpose pesticides and spray to repel them. Orchid's main diseases include: anthracnose, leaf spot disease, rot disease, black spot disease, viral disease, southern blight, etc. Control methods include spraying with multi-purpose sterilizing agents (it is best to persist in applying a disinfecting and sterilizing agent once every ten days for prevention). In addition, if viral symptoms are found, it is best to seek help from the local plant hospital or plant protection station and other relevant units, and apply the right medicine for the symptoms. However, for viral disease (self-drawing strands), once discovered, extermination treatment must be carried out immediately. This is because there is currently no effective drug against this virus. Therefore, it is best to burn the pot, soil,orchid planttogether with fire to prevent infection. (Guizhou Feng Zhaofu) No. 42 Guangming Street, Jinsha County Town, Guizhou Province Tel: 0857-7224417 (pager) Postcode: 551800