screening elite genotypes and ipm of defoliators in groundnut

Table 18: Natural enemy population in different IPM modules of groundnut (Campoletis chloridae)
Module I
Treatment
(Groundnut + sunflower)
Module II
(Groundnut + foxtail millet)
Module III
(Farmers’ practice)
Paired “ t” test value for comparison of means
Campoletis chloridae population / m row
37 DAS 44 DAS 51 DAS 58 DAS 65 DAS 72 DAS 79 DAS
1.60 1.80 2.20 2.40 2.60 1.60 1.40
2.40 2.80 3.40 3.60 3.80 2.80 2.60
1.10 1.40 1.40 1.80 1.80 1.20 1.00
Module I & Module II 4.00* 6.00* 3.21* 6.00* 6.00* 6.10* 6.00*
Module II & Module III 6.50* 5.72* 6.32* 9.00* 11.00* 3.13* 6.53*
Module III & Module I 3.50* 1.63 4.00* 2.45* 4.00* 0.78 1.63
* Significant at 5% level DAS- days after sowing
Module-I : Seed treatment with Trichoderma, sunflower (trap crop), pheromone trap and spraying of N. rileyi and NSKE
Module-II : Seed treatment with Trichoderma, foxtail millet (intercrop), pheromone trap and spraying of Emamectin benzoate
Module-III: Spraying of quinalphos