نتایج جستجو برای: سفیدبالک پنبه bemisia tabaci
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The sweet potato whitefly, Bemisia tabaci, harbors Portiera aleyrodidarum, an obligatory symbiotic bacterium, as well as several secondary symbionts including Rickettsia, Hamiltonella, Wolbachia, Arsenophonus, Cardinium and Fritschea, the function of which is unknown. Bemisia tabaci is a species complex composed of numerous biotypes, which may differ from each other both genetically and biologi...
HIGHLIGHTS A detailed description and illustration of stage-specific morphological characters whiteflies Bemisia tabaci (Asia II 5) Trialeurodes vaporariorum. Developmental biology the Preliminary information for field-level identification formulation IPM strategies. First its kind comparative study morphology in Northwestern Himalayan region.
In their natural environment, plants experience multiple biotic interactions and respond to this complexity in an integrated manner. Therefore, plant responses to herbivory are flexible and depend on the context and complexity in which they occur. For example, plant growth promoting rhizobacteria (PGPR) can enhance plant growth and induce resistance against microbial pathogens and herbivorous i...
Begomovirus ssDNA plant virus (family Geminiviridae) replication within the Bemisia tabaci vector is controversial. Transovarial transmission, alteration to whitefly biology, or detection of viral transcripts in the vector are proposed as indirect evidence of replication of tomato yellow leaf curl virus (TYLCV). Recently, contrasting direct evidence has been reported regarding the capacity of T...
We compared smooth-leaf okra- and normal-leaf upland cotton (Gossypium hirsutum L.) strains and cultivars for susceptibility to colonization by Bemisia tabaci (Gennadius) biotype B. Experiments were conducted at seven field sites, five at Holtville, CA, and two at Maricopa, AZ, during 1996-2000. Okra-leaf strains and cultivars, as a group, had lower numbers of adults, eggs, and nymphs compared ...
Whiteflies cause damages to many economically important agricultural crops because of their feeding habits and their begomovirus transmissions. The whitefly Bemisia tabaci is a genetically diverse group, which includes a large number of different biotypes (see Part I, Chapter 3). It is extremely prolific; a single female may lay approximately 400 eggs during her lifetime. Unfertilized eggs give...
یکی از مهم ترین پژوه شها پیرامون گیاهان تراریخته مطالعه تاثیر این گیاهان روی بندپایان غیر هدف است. این گیاهان میتوانند اثرات مستقیم (کشندگی) و غیر مستقیم (از طریق گیاهخوار) روی دشمنان طبیعی بگذارند. بنابراین در این پژوهش اثر تغذیه از گیاه پنبه Bt و طعمه (عسلک پنبه Bemisia tabaci Gennadius) پرورش یافته روی پنبه Bt، روی سن شکارگر Macrolophus pygmaeus Rambur مورد بررسی قرار گرفت. چهار رژیم غذا...
The whitefly (Bemisia tabaci) is a cosmopolitan and devastating pest of agricultural crops and ornamentals. B. tabaci causes extensive damage by feeding on phloem and by transmitting plant viruses. Like many other organisms, insects depend on amino acid transporters (AATs) to transport amino acids into and out of its cells. We present a genome-wide and transcriptome-wide investigation of the fo...
سفید بالک پنبه bemisia tabaci (gennadius) از جمله آفات مهم گلخانه¬ها می¬باشد که سبب ایجاد خسارت فراوان می¬شود. خانواده anthocoridae از دشمنان طبیعی بسیاری از آفات گیاهی در دنیا می¬باشند که امروزه به صورت وسیعی در برنامه¬های کنترل بیولوژیکی آفات از جمله سفیدبالک¬ها مورد استفاده قرار می¬گیرند. بررسی¬های فونستیک و ارزیابی تنوع زیستی شکارگرها، گام اول در توسعه برنامه¬های مبارزه بیولوژیک بوده و در ت...
The whiteflies Bemisia tabaci and Trialeurodes vaporariorum (Hemiptera Aleyrodidae) are harmful pests of vegetable and ornamental crops in many countries. Also, they are vectors of emergent viruses on tomato including the criniviruses (Closteroviridae genus Crinivirus) Tomato chlorosis virus (ToCV) and Tomato infectious chlorosis virus (TICV). Since different vectors are involved in the transmi...
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