Evaluation of some novel insecticide and biopesticides against tomato fruit borer Helicoverpa Armigera (Hubner)

Abstract

The present rnvestlgation on evaluation of some novel insectJCidc and bioprsticides agatnst tomato frutt borer He/Jcoverpa onmgera {Hubner) was carried out dunng 2009-2010 nnd the studres were conducted 1n fteld experunents The study was earned out at Crop Research (CRC) of Sardar Vullabhbhat Patel Unrversrty of Agnculture & Technology Meerut In order to explore the mc1denco and develop1ng better management opt1on aga nst th1s pest. On tomato frutt. borer Hehcovo1pa arm•gera (Hubner) rs the maJor pest of vegetable from troprcal world The drfferent trealmcnt evaluated were tndo;cacarb 14 5 SC @ SOOml/ha cartap hydrochlonde 50 SP @ 1 00 Kg/ha lamda cyhalothnn @ 25 ml/ha profcnophos @ 1 00 Itt /ha endosulfan 35 EC @ 1.5 /ha, ozoneem 1500 ppm@ 200 ht/ha, 1/aNPV 250 L1Vha, Beuuvmw basssana @2 5 kglha, BaCIUus lhunng,ensts@ 1 Skgtha and Control The most effective treatment was found to be indoxacarb 14 5 SC @ SOOml/ha 1n wh1ch the frUit •nfestat10n after 21 days of the l!urd apphcatton was 6.5 per cent and yield of 51887 0 kg/ha Th1s was followed by cartap hydrochlonde 50 SP @ 1 00 Kg/ha, lamda cyhalothrin @ 25 mVha profenophos @ 1 hiJha endosulfan 35 EC @ 1 5 lha wh1ch recomded tnlestst1on of 9 84 15 71 and 17 41 wh•le frutt yteld of 51201 0 50342 0 48231 0 and 47314 0 kg/ha respectively Among the b1opest•cide the most effecttve tteatment was ozOI"'eem 1500 ppm @ 2 00 r,• lh~ Wtlh fru 1 darr.age of 18.31 per cent and frUit yteld of 45936 0 kg/ha The next treatments were HaNPV 250 L1Vha Beauvana bassiana @2 5 kg/ha Bacillus lhunng,ens1s @ 1 5kg/ha, wtth frutl damage of 22.67, 23 96 and 26 03 per cent and frUit y1cld of 42497 0 40855.0 and 39384 0, respecllvely The htghest frUit damage percent at 21 days after thard insect•cade application was found to be 37 36 per cent whach was found r-n un:rea:ed control The lowest 'rut: )'iCid of 27.!54 0 ~glha was also recorded an the untreated control