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对危险性病、虫、杂草的检疫检验是植保部门的一项重要工作。种子、苗木和农产品贸易双方掌握一些病、虫、杂草的检验技术也是很必。要的。危险性病虫、杂草的检验方法,因其植物检疫对象、植物及其产品的种类不同而异。常用方法有以下几种。 1）直接检验法。主要用于现场初检。通过肉眼或放大镜检查植物及其产品、包装器材、运输工具、堆存场所等是否带有混入检疫性害虫和杂草。 2）过筛检验法。主要用于检验粮食作物种子、油料作物种子中混入的害虫、虫瘿、感病籽粒、菌核和杂草种子。该法在现场初检和室内检验时均可使用。具体方法是将制备的代表样
Quarantine inspection of dangerous diseases, insects and weeds is an important work of the plant protection department. Seeds, seedlings and agricultural products trade to grasp some of the disease, insects, weeds inspection technology is also very necessary. need. Dangerous pests and weeds test methods, because of their plant quarantine objects, plants and their products vary in different species. Common methods are the following. 1) direct test method. Mainly used for on-site inspection. Examine the plants and their products, packaging equipment, means of transport, storage sites, etc. with naked eye or magnifying glass with quarantine pests and weeds. 2) screening test method. Mainly used to test food crops seeds, oil crops, seeds mixed with pests, insects, susceptible grain, sclerotium and weed seeds. The law can be used in the initial inspection and indoor inspection at the scene. The specific method is to prepare a representative sample