Brown Planthopper

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Brown Planthopper Brown Planthopper damages the rice by sucking the sap and making the plant dry out. Adults 4 – 4.5 mm long Egg : 0-7 days Nymph : 7-21 days Where does the brown planthopper attack? Adult: 21-30 days At the base of the rice stems near the water surface. Nymphs Damaged field Life cycle Eggs Brown planthopper causes the rice ragged stunt virus and rice grassy stunt virus. The infected plant can not produce the yield. Rice Ragged Stunt Virus Rice Grassy Stunt Virus Prevention and Control of Brown Planthopper Plant rice resistant varieties, plant rice at same time as other farmers do and stop to plant rice temporarily during the outbreak of BPH. Use fertilizer properly, avoid using Nitrogen excessively and delay fertilization during the outbreak of BPH. Observe the field regularly by checking the presence of BPH and take care of beneficial insects. Consult with specialist when you are observing the outbreak of BPH in the field. Using the pesticide is the last resort Common Name Trade Name Recommended Rate Other remarks DINUethVúyra:n Use 1 package with 16 L of water. Spay 1.½ to 2 spaying tanks for Pre-harvest interval: 7 days 1 000 m2. Dinotefuran GUsIun Spraying tank of 16 L 20 WP/ Oshin 20 WP Use 40g with 16 L of water for Spray at the base of the stem 2 b‘uyRbUehVhSIn spraying in 400m . Pre-harvest interval: 7 days Buprofezin It makes the adult produce less eggs and kills the nymph. bu‘yTIl 10WP / Butyl 10 WP Use 40 ml – 60 ml with 16 L of Spray at the base of the stem water for spraying in 400m2 . ehVNUb‘uykab )asIud Pre-harvest interval: 10 days 50EC Fenobucarb It is used against the nymphs and adults / Bacide 50EC Pesticides are harmful to human and animal health and environment. It is advisable to read the instruction label before use. For more information, please contact the Kandal Provincial Department of Agriculture by phone number ³ 012 776 044 Prepared by Project of Capacity Building for the Quality Standard Control of Agricultural Material (Chemical Fertilizers and Pesticides) JICA – MAFF / Poster # 3.

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Toxic Effects of Virtako on the Brown Planthopper, Nilaparvata Lugens (Hemiptera: Delphacidae)
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