نتایج جستجو برای: قارچ verticillium dahliae
تعداد نتایج: 8619 فیلتر نتایج به سال:
Verticillium dahliae is the primary causal agent for Verticillium wilt disease on a diverse array of economically important crops, including cotton. In previous research, we obtained the low-pathogenicity mutant T286 from the T-DNA insertional mutant library of the highly virulent isolate Vd080 derived from cotton. In this study, the target disrupted gene VdCYC8 was identified by TAIL-PCR, enco...
Verticillium wilt is one of the main diseases in cotton (Gossypium hirsutum), severely reduces yield and fiber quality, and is difficult to be con-trolled effectively. At present, the molecular mechanism that confers resistance to this disease is unclear. Transcriptome sequencing is an important method to detect resistance genes, explore metabolic pathways, and study resistance mechanisms. In t...
Five known sesquiterpenoids, solavetivone, lubimin, lubiminoic acid, aethione and lubiminol were isolated from the root exudates recovered from Solanum aethiopicum by a newly proposed method using charcoal. Quantitative analysis of the sesquiterpenoids in the root exudates of S. aethiopicum and S. melongena suggested that relatively large amounts of the sesquiterpenoids were exuded from the roo...
abstract verticillium wilt of olive caused by verticillium dahliae is one of the main constraints to olive production in golestan province. in this research, two defoliating and two non-defoliating isolates of the fungus were inoculated in 16-18 months-old olive seedlings. the seedlings consisted of concervolia, cronaiki, kalamon, zard-roghani, bladi, mission, manzanilla and sevillana. the seed...
Automatic methods for an early detection of plant diseases (i.e., visible symptoms at early stages of disease development) using remote sensing are critical for precision crop protection. Verticillium wilt (VW) of olive caused by Verticillium dahliae can be controlled only if detected at early stages of development. Linear discriminant analysis (LDA) and support vector machine (SVM) classificat...
The Bacillus subtilis strain NCD-2 is an important biocontrol agent against cotton verticillium wilt and cotton sore shin in the field, which are caused by Verticillium dahliae Kleb and Rhizoctonia solani Kuhn, respectively. A mutant of strain NCD-2, designated M216, with decreased antagonism to V. dahliae and R. solani, was selected by mini-Tn10 mutagenesis and in vitro virulence screening. Th...
Verticillium wilt, caused by Verticillium dahliae, is widespread in intensive strawberry (Fragaria ananassa) growing areas. It is effectively controlled in site preparation by soil fumigation with methyl bromide but with the ban on ozone-depleting chemicals, which applies to methyl bromide, there has been an international effort to find alternatives, which will protect the crop from planting to...
AIMS In this study, a loop-mediated isothermal amplification (LAMP) assay has been developed and evaluated for the rapid and sensitive detection of Verticillium dahliae Kleb., the causal agent of vascular wilts in many economically important crops. METHODS AND RESULTS LAMP primers were designed based on a previously described RAPD marker, and the LAMP assay was applied for direct detection of...
The use of biological control agents (BCA), alone or in combination with other management measures, has gained attention over the past decades, driven by the need to seek for sustainable and eco-friendly alternatives to confront plant pathogens. The rhizosphere of olive (Olea europaea L.) plants is a source of bacteria with potential as biocontrol tools against Verticillium wilt of olive (VWO) ...
بیماری پژمردگی ورتیسلیومی پنبه ناشی از قارچ verticilium dahliae kleb. یکی از مهم ترین بیماری های پنبه در استان گلستان است. به منظور تعیین اثر بیماری بر خصوصیات کمّی و کیفی وهم بستگی صفات مؤثر در عملکرد با تحمل به بیماری، 1500 بوته انتخاب و با توجه به میزان سلامت آنها به پنج گروه تقسیم شدند. از هر گروه 100 بوته انتخاب و صفات کمی و کیفی بوته و وش ، قوه نامیه و وزن هزار دانه بذور تعیین و ضریب کاهش...
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