HAPLOTHRIPS TRITICI PDF

Moogur It was shown that when the average number of adult thrips per ear were7. In China, indimethoate and trichlorphon were applied for control of H. Zashchita rastenii ot vreditelei i boleznei v Zapadnoi Sibiri. It was shown in special tests that the roots of seedlings from grain damaged by H.

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Meshura Bioecological features of wheat thrips in north Kulunda and Ob forest-steppe. How to cite item. The selection of varieties of hard wheat with characteristics that prevent H. Mature larva is bright red, with two setae at the end of abdomen.

The ability of plants growing from seeds damaged by the thrips to regenerate damaged root systems was reduced, as was the plant weight and leaf area Shurovenkov, The species is widespread in steppe and forest-steppe regions, belonging to the Euro-Siberian faunistic complex. In Russian Fisechko R. Information was provided showing that late winter wheat varieties were times more infested by H. A single generation develops per year. During the pest outbreaks the larva density on sowing can reach and more individuals per ear Tanskii, Unlike the Sunn Pest, the flour-baking quality of grain damaged by thrips does not decrease, however the sowing quality of seeds drops notably.

In autumn and spring many larvae die during rainy weather which favors development of entomopathogenic fungi, namely Entomophora spp. Haplothrips tritici Knowledge Bank home Change location. Adult has immature ovaries and requires additional feeding. Flying adults migrate by way of air streams at heights of 1. The main host plants are winter and spring wheat, rye, wheatgrass and some trifici gramineous plants; spring wheat is the most favorable for insect development.

The egg-laying period lasts days. Like most websites we use cookies. The insect causes strong damage to wheat, especially to summer wheat, whose development is related most closely to the insect life cycle. A study of the damage to crops by thrips under the natural conditions prevailing in southern Ukraine was carried on for four years.

Tritic dry weather at the end of summer may also be unfavorable for insect survival due to the promotion of fast grain ripening and corresponding shortening of the larva feeding period. This is an oligophagous pest of small grains, primarily wheat. Insecticide applications may increase risk of harmful side effects since H.

Biological Control The effect of natural enemies on field populations haplorhrips H. In Siberia, indamage on wheat was due chiefly to H. The examination was done fritici the end of the milk stage or the beginning of the wax-ripe stage of spring wheat. Lewis indicated that most effective H. Allocation of wheat thrips Haplothrips tritici Kurd. AgroAtlas — Pests — Haplothrips tritici Kurd.

Field Monitoring and Economic Thresholds Nefedov estimated the degree of injury to spring wheat by comparing the weight of grains of different samples with different thrips populations infesting them. The abundance of wheat thrips was times lower in rotation crops than in monocultures Antorenko, In Kiev, Russia, H.

Wheat thrips in Transural region and its control. Cookies on Plantwise Knowledge Bank Like most websites we use cookies. Most Related.

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