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首页> 外文会议>Beltwide Cotton Conference >STUDIES ON FUNGAL PATHOGENS FOR CONTROLLING THETWO-SPOTTED SPIDER MITE, TETRANYCHUS URTICAE KOCH
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STUDIES ON FUNGAL PATHOGENS FOR CONTROLLING THETWO-SPOTTED SPIDER MITE, TETRANYCHUS URTICAE KOCH

机译：用于控制Thetwo斑点蜘蛛螨的真菌病原体，Tetranychus urticae Koch

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Recently, fungal pathogens have shown considerable effect in controlling some phytophagous mites. Therefore , this workincluded survey on fungi associated with the two-spotted spider mite T. urticae infesting ,broad bean and maize in the threegovernorates, Menoufia, Kafr El-Sheikh and Giza. Also, laboratory bioassay and field study on the effect of some fungalpathogens on T. urticae and the phytoseiid predator E. scutalis was carried out. Results revealed the following:1. Fungi Neozygites sp., Cephalosporium sp., Verticillium lecanii, Alternaria sp. and Aspergillus sp. Were collected inassociation with T urticae.2. Fungi Beauveria bassiana, Verticillium lecanii and Metarhizium anisopliae were used under laboratory conditions.3. Direct and indirect method for testing effect of B. bassiana, V. lecanii and M anisopliae on the predator E. scutaliswas undertaken. In a field experiment, B. bassiana decreased T. urticae population from 10% to 45 % and from 10%to 25 % for V. lecanii and M anisopliae when concentrations increased from 106 to 100 x 106 respectively.
机译：最近，真菌病原体在控制一些植物螨虫方面表现出相当大的效果。因此，这对与双察觉蜘蛛螨T.荨麻疹的真菌进行的真菌进行了调查，在三个政府，米诺菲亚，Kafr el-Sheikh和Giza中患有三斑的蜘蛛螨T. Urticae感染，蚕豆和玉米。此外，实验室生物测定和野外研究对荨麻疹和植物植物植物的效果和植物植物捕食者E.Scutalis的影响。结果显示：1。真菌新生宫sp。，头孢菌孢子sp。，alercillium lecanii，alertaria sp。和aspergillus sp。与T urticae2收集.2。在实验室条件下使用了真菌嗜血脂菌，牙昔粒子和石英肝炎。 B. Bassiana，V.Lecanii和M anisoplia对捕食者E. Scutaliswas进行的直接和间接方法。在田间实验中，当浓度分别从106升至100×106时，B.Bassiana在10％至45％的10％至45％和5％至25％下降，从10％和M aniSoplia的10％〜25％。

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