HAPLOTHRIPS TRITICI PDF

Haplothrips tritici (Kurdjumov) (Bournier A. / ENSA Montpellier) Adults Still in ear of wheat.. Haplothrips tritici (Kurdjumov) (Coutin R. / OPIE) pupa Overwintering. The leaves of wheat are sucked by H. tritici adults, causing streaks. The ripening seeds of wheat are sucked by H. tritici nymphs, leaving brown spots caused by. PDF | The wheat thrips, Haplothrips tritici, is known from across eastern Europe and adjoining areas of Asia into western Europe and north.

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Kurdjumov first mentioned that H. In Bulgaria, research showed that the wheat varieties which had a shorter vegetation period were attacked to lower degrees and showed lower loss than wheats that matured later Veselinov, It was shown that when the average number of adult thrips per ear were7.

Thysanoptera in forest-steppe of middle Volga region. Since the damaged grain was not eliminated when milled, their presence much reduced the commercial value of the flour. Knowledge Bank home Change location. Pests Haplothrips tritici Kurd.

The objective of this report is to examine the published literature, and to consider this in relation to observed structural variation in recently collected samples as well as specimens in museums that are variously labeled as one or other of these two species.

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Bioecological features of wheat thrips in north Kulunda and Ob forest-steppe. Female fecundity is estimated at eggs. This method of estimating the damage done by thrips to grain crops gave low values since relatively uninfested grains were used as control and the damage caused by the insects until the grain ripened was not taken into consideration.

In Kiev, Russia, H.

Haplothrips (Haplothrips) tritici – Thrips Wiki

Wheat thrips in Transural region and its control. Tastenov and Shul’gina reported that fenvalerate applied between wheat germination and heading may control wheat thrips. Thelytoky males occur rarely and do not participate much in reproduction is registered in some regions, while in the others arrhenotoky sex ratio near to 1: Thrips Thysanoptera as pests of cereals in conditions of Ukraine.

The period of metamorphosis is strongly prolonged about one month. The number of adults, eggs and nymphs on spring wheat were Tijdschrift voor Entomologie, 55— These brown spots may appear on the wheat germ or on the back or in the furrow of the grain Bournier and Bernaux, ; Han and Xu, Egg is pale-orange, oblong-oval, 0.

Haplothrips (Haplothrips) tritici

Continuing to use www. The second molt occurs after wintering. According to this, if there are 18 adults per ear, then there may be about The nymphs and adults damaged the leaf-sheaths, ears and grains of wheat Tunc, In China, indimethoate haplothrios trichlorphon were applied for control of H.

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Feeding by both adults and nymphs reduced the weight of the grain and had an adverse effect on its quality Lakhmanov, The abundance of wheat thrips was times lower in rotation crops than in monocultures Antorenko, This is to ensure that we give you the best experience possible. In Haplorhrips Shurovenkov Yu.

African Journal of Biotechnology

Lower densities of H. New synonymy in the wheat thrips, Haplothrips tritici Thysanoptera: Bournier and Bernaux found that H. Subscription Login to verify subscription. The selection of varieties of hard wheat with characteristics that prevent H. In the Elblag region of Poland inH.

Haplothrips tritici – Wikispecies

Zashchita rastenii ot vreditelei i boleznei v Zapadnoi Sibiri. 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.

Cookies on Plantwise Knowledge Bank Like most websites we use cookies. According to data obtained by Tanskii the loss in weight with a very mild infestation amounted to happlothrips.