the corn earworm The eggs of corn earworm are a milky-white colour, which turn dark grey before hatching, and have a ribbed spherical shape. The…
shoots. Sometimes the buds and flowers are also attacked. The infested tissue turns the colour to silvery to brown or black. The infested leaves start…
causes the leaves to curl and twist. Severe infestation causes the leaves turn pale, curl badly, dry off and growth retardation of younger trees. How…
transpiration and reduced plant growth. As damage increases whole leaves turn yellow, and as more cell sap is removed, the leaf, and eventually the…
retarded. In full sunlight, leaves can wilt and drop. Such leaf damage can in turn influence the development of fruit and lead to a reduction in…
At a later stage, the empty cells become desiccated and the adjacent cells turn brown. The vigour of the plant is also reduced by loss of chlorophyll.…
transpiration and reduced plant growth. As damage increases, whole leaves turn yellow, and as more cell sap is removed, the leaf, and eventually the…
is covered with close-lying hairs. The eggs are white at first but rapidly turn darker. They are laid separately or in batches on the ground, or on…
do not build cocoons. Pupae have a greenish coloration at first, and then turn chestnut and dark brown shortly before adult emergence. Adult moths of…
retarded. In full sunlight, leaves can wilt and fall. Such leaf damage can in turn influence the development of fruit and lead to a reduction in…
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