10/6/2023 0 Comments Download cutworm insecticideLeaves having egg masses and tiny caterpillars are clipped and destroyed.įour `litlure' pheromone traps are installed (loaded with 2.5 mg pheromone per vial) per acre two weeks after germination. The castor seedlings attract female moths of Spodoptera for egg laying. Sowing of Castor around tobacco nursery 15 days before sowing of tobacco so that the castor puts up sufficient foliage by the time Spodoptera infestation builds up. There will be about 80 to 100% loss due to this pest.ĭeep ploughing of nursery area during April-May will facilitate the exposure of pupae to high temperature and thus destroy them. They feed voraciously along the veins of leaves and also cut the stems of small and tender seedlings. The well grown caterpillars are grey or dark brown with `V' shaped white mark on the front portion of the black head. The young caterpillars are light green with black head or black spots and mine on the leaf tissues. Tobacco Caterpillar : Spodoptera litura F commonly known as tobacco caterpillar is the most important pest. (1) Caterpillars and Cut-worms (2) Stem borer and (3) Whiteflyįour species of Caterpillars viz., Spodoptera litura F., Laphygma exigua HB., Agrotis ypsilon Rott. MANAGEMENT OF INSECT PESTS Pests in tobacco nursery
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