2. Pink bollworm: Pectinophora gossypiella | |
Symptoms of damage
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Identification of the pest
Larva
Adult
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Management
ETL: 10% infested fruiting parts
Spraying any one of the following insecticides:
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3. Spotted bollworms: Earias vittella, Spiny bollworm: Earias insulana | ||||||||
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Identification of the pest: E. vitella
Adult
Identification of the pest: E. insulana
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Management
ETL: 10% infested shoots / squares / bolls
Biological control:
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4. Cotton Stem Weevil: Pempheres (Pempherulus) affinis | ||||||
Symptoms of damage
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Identification of the pest
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Management
Spray any one of the following insecticides
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5. Shoot weevil: Alcidodes affaber |
Symptoms of damage
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Identification of the pest
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Management
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6. Stem borer: Sphennoptera gossypii | ||||||
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7. Leaf roller: Sylepta derogata | ||||||
Symptom of damage
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Identification of the pest
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8. Tobacco Cutworm: Spodoptera litura | |||
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Identification of the pest
Adult
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Management
ETL: 8 egg masses/100 m row
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9. Ash weevils: Mylloecerus undecimpustulatus maculosus |
M. subfasciatus M. viridanus M. discolor Symptom of damage
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10. Leafhopper: Amrasca (Biguttula biguttula) devastans | ||
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Management
ETL: 50 nymphs or adults/50 leaves
Spray any one of the following insecticides
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11. Cotton aphid: Aphis gossypii | |
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Symptom of damage
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Identification of the pest
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Management
ETL: 15% of infested plant Spray any one of the following insecticides (500 l spray fluid/ha)
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12. Thrips: Thrips tabaci | |
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Symptom of damage
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Management
ETL: 50 nymphs or adults/50 leaves
Spray any one of the following insecticides (500 l spray fluid/ha)
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13. Whitefly: Bemisia tabaci | |||||||
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Symptom of damage
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Management
ETL: 5 – 10 /leaf
Spray any one of the following plant products alone or in combination with the recommended dose of insecticide (at 2 ml/l of water)
Spray any one of the following in early stage (500 l of spray fluid/ha)
Spray any one of the following in mid and late stages (1000 l spray liquid/ha) Triazophos 40 EC 2.0 l/ha
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14. Red cotton bug: Dysdercus cingulatusi | ||
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Management
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15. Dusky cotton bug: Oxycarenus hyalinipennis | ||
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Identification of the pest
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16. Mealy bugs: Phenacoccus sp, Ferrisa sp and Maconellicoccus sp | ||||||
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[…] aphids, caterpillar eggs, leafhoppers, mealybug, mites, scale, spider mites, thrips, and whiteflies are the commonest targets of […]
[…] hosts for one to two generations before migrating into the rice fields at the flowering stages. The nymphs are found on the rice plant where they blend with the foliage. There, they are often left […]