Liriomyza sativae is a newly occurring quarantine pest in China and can cause devastating damage to vegetables. First discovered in Nanjing in 1994, it has been widespread since 1996. According to the survey, Liriomyza sativae can jeopardize 49 families of 17 families, of which legumes and cucurbits are the most seriously endangered. Solanaceae and cruciferous plants are more seriously endangered, followed by other families. The comprehensive prevention measures for Liriomyza sativae are now described as follows:
1. Strengthen quarantine Plants and plant products corresponding to quarantine inspections must be strictly quarantined; it is forbidden to mobilize fruit and vegetables from affected areas, especially for fruits and vegetables from Hainan and Guangdong, and it is forbidden to carry leaves; leaves and vines are strictly forbidden. Pads, fillings, and wrappers; quarantine certificates for cut flowers and leafy vegetables. Once the outbreak is found, it should be destroyed immediately. ?
Second, agricultural prevention and control of agricultural prevention and control of the main measures: First, according to the feeding habits of Liriomyza sativae, the insects eaten melon beans and vegetables with light or non-endangering crops intercropping; Second, strengthen the management of vegetable gardens, timely Treat the victim leaves to reduce the source of insects. Third, protect the vegetables in the greenhouse by reducing the mouth density of the population of Liriomyza sativae. ?
III. Chemical control During the initial damage period of Liriomyza sativae larvae, 48% Lesothiformis emulsifiable oil is used per acre, 60ml, or 2.5% of a systemic potential EC is 60ml, or 1.8% is harmful to an emulsion, 30ml to water. 60 kg of foliar spray can achieve good control effect.
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