The 16 entries in Laisha's encyclopedia that attack Chilli & sweet pepper, grouped by type. Each page covers identification, life cycle, the conditions that favour it, action thresholds and integrated management.
Cotton aphid (melon aphid)Aphis gossypiiInsect · A small aphid, from pale yellow to almost black, that forms dense colonies under the leaves of cotton,…
Green peach aphidMyzus persicaeInsect · A small, soft-bodied aphid found on hundreds of crops worldwide. Colonies curl leaves and leave sticky…
Oriental fruit flyBactrocera dorsalisInsect · A fruit fly whose females lay eggs under the skin of ripening mango, guava, papaya, citrus and hundreds of…
Silverleaf whitefly (Bemisia whitefly)Bemisia tabaciInsect · A tiny white sap-sucking insect that sits on the undersides of leaves of cotton, vegetables, cassava and…
Tobacco cutworm (Asian armyworm)Spodoptera lituraInsect · A moth whose caterpillars hatch in clusters, skeletonise leaves together and then spread out to devour…
Western flower thripsFrankliniella occidentalisInsect · A thrips barely visible to the eye that lives in flowers and young leaves of vegetables, fruit and…
Mites
Two-spotted spider mite (red spider mite)Tetranychus urticaeMite · A mite smaller than a pinhead that sucks the contents of leaf cells, leaving pale speckles, bronzed leaves…
Nematodes
Root-knot nematodesMeloidogyne incognitaNematode · Root-knot nematodes are microscopic worms that enter roots and turn them into swollen, knotted galls, so…
Fungal diseases
Anthracnose of chilli (fruit rot and dieback)Colletotrichum scovillei and Colletotrichum truncatumFungal disease · Anthracnose is the most damaging fungal disease of chilli and sweet pepper fruit in the tropics and…
Early blight of potato and tomatoAlternaria solaniFungal disease · Early blight is a common leaf disease of potato and tomato that makes dark brown spots with rings like a…
Oomycete diseases (water moulds)
Damping-off of seedlingsPythium aphanidermatum and other soil-borne pathogensOomycete disease · Damping-off is the death of seeds and young seedlings caused by soil-borne water moulds and fungi, above all…
Bacterial diseases
Bacterial wilt (Ralstonia wilt, brown rot of potato)Ralstonia solanacearum species complexBacterial disease · A soil- and water-borne bacterium that blocks the water-conducting tissue of tomato, potato, eggplant,…
Virus diseases
Chilli leaf curl diseaseChilli leaf curl virus and related begomovirusesVirus disease · Chilli leaf curl is the most destructive virus disease of chilli in South Asia and an important one across…
Papaya leaf curl diseasePapaya leaf curl virus and related begomovirusesVirus disease · Papaya leaf curl is a whitefly-transmitted virus disease that makes papaya leaves curl downward and inward,…
Tomato yellow leaf curl disease (TYLCV)Tomato yellow leaf curl virusVirus disease · Tomato yellow leaf curl is caused by a virus spread by the whitefly Bemisia tabaci. Infected tomato plants…
Physiological disorders
Blossom-end rotPhysiological calcium disorder (no pathogen)Physiological disorder · Blossom-end rot is a dark, sunken, leathery patch at the flower end of tomato, pepper, watermelon, squash and…
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