Screening of Karanj, Pongamia pinnata L. against various insect pests under agro-silvi pattern of cropping system at Raipur (C.G.)

Abstract

Six provenances of P. pinnata were screened namely Raipur, Ambikapur, Jabalpur,\rNainpur, Zaheerabad and Keesaragutta. Fortnightly recorded of various insect pests\ralong with the number of their associated natural enemies were also recorded. The\rmajor insect pests were the common banded awl, leaf webber, leaf blotch miner, pod\rborer, leaf hopper, leaf eating beetle, mealy bugss and green lace wing, mantis along\rwith some species of spiders were observed as the natural enemies. Maximum population\rof common banded awl, Hasora chromus was recorded as 17.00 larvae/twig on\rprovenance Jabalpur. Maximum infestation (36.3%) seeds were by pod borer, Ephestia\rsp. was recorded on Nainpur. Population of leaf webber was maximum (3.92 larvae/\rtwig) on Jabalpur and Keesaragutta, blotch miner (8.41 blotches/leaf) on Jabalpur,\rleaf eating beetles (5.25 beetles/twig) Zaheerabad, leaf hoppers 5.58 (nymphs and\radults/ leaf) on Keesaragutta, mealy bugss (6.50 nymphs and adults/twig).