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Pesticide Industry

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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Pest and disease : Asparagus beetle

Look for Bright red, cream and dark blue coloured beetles, oval shaped and about 1cm long. They will be feeding or laying eggs on asparagus spears and fronds. Larvae are grey coloured hump-backed grubs with black heads and three pairs of short legs. They will usually be found feeding on …

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Lady Beetles: Too Much of a Good Thing?

Lady beetles are known to be beneficial insects and, some say, good luck. But many people panic at the sight of the small, reddish colored beetles covering the outside of their homes each fall, especially when they start making their way inside. There’s no need to be alarmed about these …

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