Damage, thrip

Leaves with white streaks or blotches. Causes Precipitation damage thrips. Excessive rain or hail can spot onion leaves. Spots are various sizes, and damage doesn t spread. Maintain good air circulation and make sure soil is well-drained to minimize problems. 

Table II lists the insects that cause important damage to the banana plant or fruit. Thrips and scale insects cause most damage by impairing the appearance of the fruit, but they do not impair its food quality.

A. Too many Whitefly is a big problem for greenhouse grown plants. Aphids, slugs, caterpillars, thrips, spider mites, and scale insects can also damage your plants. Root rot and stem rot can be problems. Fungal spots can appear in leaves. It is not known which plant viruses attack Salvia divinorum but many attack other sages. 

Flower buds fail to open. Cause Thrips. When flower buds have brown edges and fail to open, thrips may be at work. They may also cause spots or streaks on open blooms. These pests are tiny, slender, light brown, fast-moving insects. A number of natural predators normally help keep them in check. If damage is severe, spray weekly with insecticidal soap, or pyrethrin if necessary. 

Symptoms Exposure to PAN (peroxyacyl nitrate) causes a silvery glaze on the lower surfaces of leaves, resembling damage due to frost, sunscald, mites, thrips, or leafhoppers. Young, rapidly growing tissue is most sensitive to PAN injury. 

Other insects injurious to the cotton plant include aphids, leafhoppers, lygus bugs, mites, whiteflies, fleahoppers, thrips, cutworms, and leaf miners (30). As boll weevils are being eliminated and transgenic insect protectant plants are reducing damage from bollworms, pests, which traditionally were considered secondary, are now gaining in prominance. 

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