Cabbage maggot
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The cabbage maggot, or Delia radicum, is a fly pest that damages cabbage and other crops like radishes and carrots. It is gray-brown, around 6.5 mm long, and found from spring through summer. The larvae, or maggots, bore into and eat the roots of host plants, which can cause wilting or damage the tap root. Farmers can control cabbage maggots by using ground covers, tilling soil to reduce emergence, or releasing staphylinid beetles as natural predators.
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This document discusses integrated pest management strategies for major pests that affect apple crops. It identifies 10 major pests that can cause 10-30% crop loss, including the codling moth, San Jose scale, woolly apple aphid, European red mite, tent caterpillar, and apple maggot. For each pest, it describes identification, life cycle, damage symptoms, and both biological and chemical control methods. It emphasizes the importance of monitoring pest populations, removing infested plant materials, using resistant crop varieties, and applying targeted pesticides when needed to manage pests in an integrated approach.
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Leaf miner
Leafminer is a pest that damages vegetable crops like tomatoes. Its larvae burrow into and feed on leaf tissue, leaving winding tunnels that can cause leaves to drop prematurely and reduce crop yields. The leafminer has a 2-week lifecycle with multiple generations per year. Management strategies focus on conservation biological control using natural enemies like parasitic wasps. Cultural practices like removing old crop residues and selecting resistant varieties can also help reduce infestations. Chemicals should be avoided if possible to protect natural enemies, as the pest has developed resistance to many insecticides.
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This document provides an overview of common insect and mite pests that affect roses, as well as beneficial insects that help control pest populations. It describes various pests like aphids, spider mites, thrips, and beetles that feed on rose plants. It also covers scale insects and borers that can damage canes. The document emphasizes that many rose growers are able to manage pests with good cultural practices and by encouraging natural enemies like ladybugs, lacewings and parasitic wasps, rather than relying on pesticides.Pear insects A Lecture To ToT trainees ( FFS) By Mr. Allah Dad Khan Prov...
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2) The larvae are around 1.5 inches long with distinctive striping, and the adult moth is pale gray to brown with a white spot on each front wing.
3) Army worms are found in North America and can damage many agricultural crops like cotton, corn, vegetables and fruits by feeding on the leaves, whorls and ears.
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Cabbage maggot
- 1. CABBAGE MAGGOT Presented By : ZAID ASIF
- 4. We Should Know Delia radicum, known variously as the cabbage fly, cabbage root fly is a pest of crops. The larvae of the cabbage root fly are sometimes known as the cabbage maggot.
- 5. ORDER
- 6. Diptera
- 7. FAMILY
- 8. Anthomyiidae
- 10. The adult flies are approximately 6.5 mm long. Usually grey-brown in color. Having darker stripe along the back of the abdomen. Found from spring and throughout the summer until September.
- 12. HOST
- 14. LIFE CYCLE
- 16. DAMAGE
- 17. It damage the leaves cause wilting It also damage the roots which cause internal feeding. Larvae eat the lateral roots and then bore into the tap root. Sometimes the base of the stem
- 18. CONTROL
- 19. Avoid using harmful pesticides or practices that would inadvertently destroy beneficial insects, your first line of natural defense. A ground cover of clover (Trifolium spp.) reduced attack levels in cabbage Tillage also decreases emergence Biological control using staphylind beetle is effective.
Editor's Notes
- Lepidoptera is an order of insects that includes butterflies and moths. About 180,000 species of the Lepidoptera are described, in 126 families and 46 superfamilies, 10 per cent of the total described species of living organisms.