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Pesticide Industry

Protozoa

Protozoans are unicellular, microscopic in size and dimensions ranging 111 microns to millimetre. and are capable of performing all functions as that of metazoans. They form spores and carry on reproduction by conjugation, onto gamy and cytogamy. Most protozoans are obligate insect pathogens. They do not grow in artificial diet. Insects …

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Place of Insect in Animal Kingdom

Animal Kingdom is Divided in 10 Phyla: 1. Protozoa e.g. Amoeba2. Porifera e.g. Sponges3. Coelenterata e.g. Jelly fish4. Platyhelminthes e.g. Tapeworm5. Nemathelminthis e.g. Roundworm (Nematodes)6. Annelida e.g. Earthworms7. Arthopoda e.g. All insects8. Mollusca e.g. Snail & Slugs9. Echinodermata e.g. Star fish10. Chordata e.g. Frog Characters: 1. Body metamerically segmented with …

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Collections of Insects

Insects are Required to be Collected for Following Purposes: 1. To know the pest occurrence of the locality.2. To study the taxonomic characters of the insects.3. To send the specimens to different places for identification.4. To keep different insects in museum.5. To study the bionomics of pests. I) Equipments Required …

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Control of Lace Bugs on Ornamental Plants

Lace bugs are important pests of many ornamental trees and shrubs. They attack a broad range of evergreen and deciduous trees and shrubs and often go undetected until the infested plants show severe damage. Both adults and nymphs have piercing-sucking mouthparts and remove sap as they feed from the underside …

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Sorghum Insect Pests and Their Management

Insect pests can be a major limiting factor in grain sorghum production in Georgia. Growers must be prepared to scout and prevent injury from insects. However, a proper insect pest management program will minimize losses to insects and ensure appropriate insecticide use. This publication provides information on the biology and …

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Aphids & Delphacids – Pests of Jowar

A. Aphids: Scientific Name: i) Rhophalosiphum maidis F. ii) Aphis sacchari ZClass & Order: Aphididae: Hemiptera B. Delphacids: Scientific Name: Peregrinus maidis A. Class & Order: Delphacidae: Hemiptera. Economic Importance: They are the most important pests of Jowar. The infestation is usually high on rabi crop. The yield is adversely affected and the fodder quality also deteriorates. Marks of Identification: Aphids-Adults are …

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Introduction to Crop Pest

Pest: Any living organism that causes harm to man, his crops or animals or possession or simply cause annoyance to human being, qualifies to refer as pest Pest Management: It is the system in the context of associated environment & population dynamics of the pest, utilizes all possible techniques or …

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Viruses

Look for Viruses affect almost all types of plant from time to time and the symptoms are varied. Leaves may be yellowed or mottled. Spots, mosaics and other marks may also appear. Leaves can become deformed and twisted. Flowers may become streaked or develop a green colour.   Plants affected …

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Pests and diseases : Whiteflies

Look for Yellowing and often disfigured leaves, which are caused by whitefly feeding on the plant cells. Whitefly secrete sticky honeydew deposits as they feed which fall on to the surrounding foliage. This causes dark sooty mould to develop on the leaves.   Plants affected Whitefly colonies affect a wide …

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