• Diamond back moth

  Damage symptoms The caterpillar is a surface feeder. They feed from the lower leaf surface, leaving the wax layer on the upper surface intact, thereby creating [...] remain quite small and active. Except for the first instar, which mines in the leaf tissue, the larvae are voracious surface feeders. The pupae of the diamond

• Melon thrips

  during their lifespan. Mated female lays 3 to 204 eggs. Eggs are deposited in leaf tissue in a slit cut by female. Eggs are colourless to pale white in colour

• Gummy stem blight

  Leaves can be infected directly, through wounds, hydathodes (the end of leaf veins) or the hair bases. Stems are infected through wounds and by the infected

• Tea spider mite

  Infestation starts all along the veins and midrib and gradually spreads to entire leaf. Youngs leaves are also equally affected. Infested leaves become reddish

• Fusarium wilt

  symptoms Fusarium fungi cause vascular wilt, root rot, foot and stem rot, leaf lesions, fruit rot, head blight in cereals and post-harvest decay. Fusarium

• Blight of pepper

  zoospores produced in the sporangia. For germination on above-ground plant parts, leaf wetness is required. Dispersal is by wind and rain causes the pathogen to

• Early blight

  then turn into dark brown angular lesions with a yellow halo restricted by leaf veins. Lesions can easily rupture. Other symptoms are brown lesions on stem

• Fusarium head blight or scab

  symptoms Fusarium fungi cause vascular wilt, root rot, foot and stem rot, leaf lesions, fruit rot, fusarium head blight in cereals, such as wheat (fusarium

• Wheat bunt

  tritici and Triticum laevis . Since Triticum controversa mostly attacks the 2-3 leaf stage, this is less effective for this fungus Prevent plant diseases by

• Verticillium wilt

  occur on the stem. In tomato, sometimes V-shaped lesions are formed on the leaf, between the veins. 'Early dying' disease of potato only occurs as premature