~ 1693 ~ Journal of Entomology and Zoology Studies 2017; 5(5): 1693-1697 E-ISSN: 2320-7078 P-ISSN: 2349-6800 JEZS 2017; 5(5): 1693-1697 © 2017 JEZS Received: 03-07-2017 Accepted: 04-08-2017 Raju Berwa Department of Entomology, JNKVV, Adhartal, Jabalpur, Madhya Pradesh, India AK Sharma Department of Entomology, JNKVV, Adhartal, Jabalpur, Madhya Pradesh, India R Pachori Department of Entomology, JNKVV, Adhartal, Jabalpur, Madhya Pradesh, India A Shukla Department of Entomology, JNKVV, Adhartal, Jabalpur, Madhya Pradesh, India Rajesh Aarwe Department of Entomology, JNKVV, Adhartal, Jabalpur, Madhya Pradesh, India Piyali Bhowmik Department of Entomology, JNKVV, Adhartal, Jabalpur, Madhya Pradesh, India Correspondence Raju Berwa Department of Entomology, JNKVV, Adhartal, Jabalpur, Madhya Pradesh, India Efficacy of chemical and botanical insecticides against sucking insect pest complex on Okra ( Abelmoschus esculentus L. Moench) Raju Berwa, AK Sharma, R Pachori, A Shukla, Rajesh Aarwe and Piyali Bhowmik Abstract The present investigation was carried out to study the bioefficacy of some insecticides against sucking insect pest of okra during kharif season 2015 at the Vegetable research farm, JNKVV, Jabalpur, Madhya Pradesh. The treatments imidacloprid 17.8% SL (35.6 g a.i./ha) was found to be significantly effective against jassid Amrasca biguttula biguttula (Ishida), aphid Aphis gossypii Glover and whitefly Bemisia tabaci (Gennadius) as it recorded lowest population. The next effective treatments was difenthiuron 50 WP (300 g a.i./ha), followed by imidacloprid 17.8% SL @ 17.8 g a.i./ha and thiamethoxam 25% WG @ 25 g a.i./ha, but found at par to each other against all the sucking insect pest of okra. Whereas other insecticides emamectin benzoate 5% SG @ 12 g a.i./ha and emamectin benzoate 5% SG @ 10 g a.i./ha were the next group of better treatments. Treatment NSKE 5% @ 750 g a.i./ha although found least effective, but it was significantly superior to control. Keywords: Jassid, Aphid, Whiteflies, imidacloprid, Okra 1. Introduction Vegetables constitute an important item of our food, supplying vitamins, carbohydrates and minerals needed for a balanced diet. Their value is important especially in under developed and developing countries like India. Okra (Abelmoschus esculentus L. Moench) popularly known as bhindi or lady’s finger is an important vegetable crop grown in India [17] . It is a polyploidy, belong to family Malvaceae with 2n = 8x = 72,144 chromosome. It is an often cross pollinated crop, occurrence of out crossing to an extent of 4-19 per cent with the maximum of 42.2 per cent is noticed with insect assisted pollination [9] . Okra is a “scavenger” crop where more valuable crops had been previously cultivated to scavenge any fumigation benefits or residual fumigation benefits or residual fertilizer. This is the only vegetable which can be grown throughout the year. Its cultivation fetches handsome income to the growers [5] . India is a major vegetable producing and consuming country, vegetables form an important dietary component. Among them okra, Abelmoschus esculentus L. Moench, is one of the popular and commercially cultivated vegetable crops is an important crop grown throughout the year [3] . Besides India, okra is also grown in many tropical and subtropical parts of the world. Tender fruits are used as vegetables or in culinary preparations as sliced and dried pieces. It is also used for thickening of gravies and soups, because of its high mucilage content. The roots and stems of okra are used for cleaning cane juice [8] . The matured fruits and stems containing crude fibre are used in paper industry. Okra is cultivated for its immature fruits to be consumed as a fresh and canned food as well as for seed purpose. Okra is widely cultivated in plans of the India with acreage of 524.0 mha. and production 6203.0 MT and productivity 11.83 MT/ha. In Madhya Pradesh, okra is grown in 26.51 mha. area with production of 305.90 MT and 11.5 MT/ ha productivity [6] . The shoot and fruit borer, E. vittella is a serious pest while among the sucking pests, okra jassids, Amrasca biguttula biguttula (Ishida), whitefly, Bemisia tabaci (Gennadius) and aphids (Aphis gossypii Glover) are considered as major sucking pests cause significant damage to the crop [4] . The productivity of okra is low due to many factors and one of the most important constraints in production is the attack of insect pests. Aphid (A. gossypii), shoot and fruit borer, Earias insulana (Boisduval) and E. vittella (fabricius) and Jassid, A. biguttula biguttula