บทคัดย่องานวิจัย

หมวดหมู่ : ฐานข้อมูลงานวิจัย

Evaluation of the efficacy of insecticides against mealybugs in plums and grapes (Homoptera: Pseudococcidae)

Gonzalez R., R. H., Curkovic S., T. and Barria P., G.

Revista Fruticola Year: 1996 Vol: 17 Issue: 2 Pages: 45-57.

1996

บทคัดย่อ

Evaluation of the efficacy of insecticides against mealybugs in plums and grapes (Homoptera: Pseudococcidae).

The chemical control of Pseudococcus affinis [P. viburni] was evaluated on plums and table grapes. The following insecticides were evaluated mostly as postharvest treatments: chlorpyrifos, chlorpyrifos-methyl, diazinon, dimethoate, dimethoate + methidathion, fenamiphos, imidacloprid, methidathion, omethoate, oxydemeton-methyl, parathion, profenofos and prothiofos. Postharvest treatments as high volume sprays (hand gun) significantly reduced insect populations. However, survival rates under bark as well as on plum roots made it necessary to apply complementary sprays in October and in December-January, both periods corresponding to extensive migratory flows to the bunches and fruits. In this context, the control of P. affinis with trunk and soil applications of chlorpyrifos proved necessary. Corrugated trap bands attached to the trunk were necessary to monitor populations of P. affinis and to assess chemical control effectiveness.