spots on the upper surface of the leaves. White powdery growth on lower surface of the leaves. Downy damaged leaves become brown and dried leads to…
growth on lower surface of the leaves. Usually middle leaves are infected first followed by other leaves. The affected leaves die quickly. Rainy and…
plant which sucks the sap of leaves and occasionally on petioles. Red spider mite attacks the upper surface of the mature leaves. Infestation starts…
. The foliage is denser and the leaves are a darker green than usual. Also, young infected trees show dwarfing. Leaves and flowers appear early and…
water is present on the plant, at high relative humidity (RH) and on wounds. Leaves can be infected directly, through wounds, hydathodes (the end of…
this decreases the duration of leaf wetness Shred fallen leaves in autumn/winter Spray fallen leaves with urea Ensure that the microbial population as…
of tender leaves and feeding on them produces snake-like mine. This causes the leaves to curl and twist. Severe infestation causes the leaves turn…
‘leafroller’ refers to the fact that the caterpillars often live in rolled-up leaves. Although some species are restricted to a single crop, most are…
miner ( Tuta absoluta) are the blotch-shaped mines in the leaves. Caterpillars prefer leaves and stems, but they may also occur underneath the crown…
susceptible to infection. Powdery growth on both the surface of the leaves. Affected leaves becomes malformed and discoloured. The powdery pustules…
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