نتایج جستجو برای: alternaria spp
تعداد نتایج: 54697 فیلتر نتایج به سال:
Accurate identification of Alternaria spp. is dependent upon the production of diagnostic morphological characters under defined cultural conditions and the proper assessment of character variation. This process is often compromised by variation in laboratory facilities and technical expertise. To assist taxon identification and phylogenetic studies, restriction site information from the interg...
Alternaria alternata were isolated and identified from root, foliage and soil of both wheat and rice crops and their aggressiveness was studied using aggressiveness analysis. Isolates of Alternaria alternata were genetically characterized using RAPD's. The investigations were based on surveys of wheat and rice crops in the rice-wheat cropping areas of Pakistan. The study showed that Alternaria ...
ریشههای چغندرقند به همراه خاک چسبیده به آن پساز برداشت جهت فرآوری به کارخانههای قند حملشده و در اولین مرحله توسط فشار آب شستشو میشوند. آب گلآلود حاصلاز شستشوی ریشهها بهعنوان پساب کارخانه توسط کانال به مزارع منطقه انتقال یافته و جهت آبیاری مورد استفاده قرار میگیرد. با توجه به امکان انتقال عوامل بیماریزا توسط خاک و آب، طی سال 1384یک بار در هفته در زمان فعالیت کارخانهقند بردسیر از پسا...
In the present investigation five pathogenic fungal isolates such as Alternaria alternata, Alternaria macrospora MKP2, Alternaria macrospora MKP4 Alternaria sp. PMK1 and Alternaria sp. PMK2, were isolated from diseased leaves of parthenium plant and found to be pathogenic to this weed. Isolated pathogens were screened qualitatively and quantitatively for lignocellulolytic activities. All the fu...
Alternaria species are common saprophytes or pathogens of a wide range of plants pre- and post-harvest. This review considers the relative importance of Alternaria species, their ecology, competitiveness, production of mycotoxins and the prevalence of the predominant mycotoxins in different food products. The available toxicity data on these toxins and the potential future impacts of Alternaria...
Previously, Colletotrichum spp. has been considered a warmer climate pathogen as these meteorological conditions are most optimal for its development. However, change is fostering the spread of plant disease and complicating ability to predict This study aims determine anthracnose development, evaluate susceptibility different strawberry cultivars detect distribution pathogens in temperate cond...
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