Sunday 31 May 2015

Beetles on Soybean Crop Pests

In Indonesia, soybean beetle pest Phaedonia inclusa Stall Coleoptera: Crysomelidae is one of the pests leaves and young pods on soybean plants to be reckoned with because of losses incurred quite substantial.

Yield losses due to pest attack can reach 80%, it can even happen puso if no control measures. Pest attack on the environmental conditions are relatively hot weather, and usually the source of the investment comes from a plant or plants around before.

This pest has spread almost all over the province and even become a major pest in soybean production centers.

Adult beetles dome-shaped soy. Male beetle of 4-5 mm in length, while the females of 5-6 mm. Shiny black beetle's body with the head and the front wing edges lightly browned.

Larvae and adult beetles can damage the soybean crop since crop emergence until harvest. Parts were destroyed leaf buds, flowers, and pods. The attack on the leaves look perforated, young pods were injured, while the older pods are edible crust.

In addition to attacking soybean, Phaedonia inclusa also attacking Desmodium ovalivolium, D. trifolium, D. gyroides, and Pueraria phaseoloides.

Soybean beetle pest control efforts can be done for example by planting in unison with a gap of less than 10 days, routine monitoring and adoptee if finding pests, and spraying with insecticide if it has reached the threshold control the intensity of leaf damage reaches more than 12.5% ​​or two tail caterpillar per clump at the age of more than 45 HST with insecticides.

Spraying with insecticides that can be used Alfa cypermethrin, beta cyfluthrin, BPMC, deltamethrin, Fenitrotion, Fentoat 650, Imidacloprid, carbaryl, chlorpyrifos, and Alfasipermetrin.

Further information: Research and Development Center for Food Crops

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