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Pesticide Industry

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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Over watering

Look for Rapid or gradual defoliation, where the lower leaves of the plant turn yellow and fall; wilting, drooping, spotted or stunted plants; or grey powdery mould round the stem, leaves or flowers. These symptoms can be indicative of other problems, but the presence of rotten roots as well would …

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Pests and diseases : Onion fly

Look for Dead and wilting young plants, softening and decaying of mature plants. Also the larvae are often found within the root tubers and they are 8-10mm long white coloured maggots.   Plants affected Mainly Onions but other members of the Allium family can also be attacked. About Onion fly …

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Vine weevil

Vine weevil is an insect pest that infests a wide range of ornamental plants and fruits, especially those grown in containers. Adult vine weevils eat leaves, and the grubs eat roots. What is vine weevil? Vine weevil is a beetle that attacks a wide range of plants, both indoors and …

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Pests and diseases : Clematis wilt

Look for Shoots, buds and leaves that are wilting and quickly dying back towards the roots, turning black as the plant dies. In some cases discoloured lesions can appear on stems. Plants affected Clematis, especially varieties and cultivars that produce large blooms. About Clematis wilt is a very common although …

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