Tridge summary
The South American tomato leaf borer, Phthorimaea absoluta, has been detected in Vietnam, causing significant damage to tomato crops in Son La and Lam Dong provinces. The pest can destroy up to 100% of tomato plants if not managed effectively, with infection rates as high as 50.7% in Mai Son district. The Rita tomato variety is particularly affected. The Center for Agricultural Biology International (CABI) and the Plant Protection Institute are collaborating to provide training and technical support to farmers to combat this pest. Recommended control measures include cultivating pest-free tomato seedlings, crop rotation, weed clearance, regular field cleaning, and the use of biological and chemical pesticides. Son La province's tomato growers are advised to adopt proactive measures such as pesticide use and equipment cleaning to ensure crop productivity.
Disclaimer:The above summary was generated by Tridge's proprietary AI model for informational purposes.
Original content
The South American tomato leaf borer has the scientific name Phthorimaea absoluta, originating in Peru in South America. This pest was first recorded damaging tomatoes in July 2019 in Moc Chau and Mai Son (Son La). Currently, the South American tomato leaf borer has been recorded in Lam Dong and Thai Binh provinces. This is a serious pest on tomatoes in many countries around the world, the damage caused by this pest can be up to 80 - 100% if there are no effective management measures. Son La province has 120 hectares of tomato. According to research results of the Plant Protection Institute, in 2023, the rate of tomato leaves infected with the South American tomato leaf borer is highest at 50.7% in Mai Son district and 48.5% in Moc Chau district. The Rita tomato variety has a higher rate of infection with the South American tomato leaf borer than other tomato varieties. Ms. Nguyen Thi Tam in An Thai village, Chieng Hac commune (Moc Chau town) has a 1,000m2 greenhouse growing ...
Source: Agriculture
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