نتایج جستجو برای: ascochyta rabiei ارقام افتراقی
تعداد نتایج: 14156 فیلتر نتایج به سال:
induced resistance to pathogen is one of the ways which plants use against biotic stresses. pathogenesis-related proteins(pr), including chitinase and β-1,3-glucanase synthesized by the plant in response to pathogenic infection. in this investigation, the expression of two isoforms: acidic and basic of chitinase and β-1,3-glucanasegenes were analyzed at 0, 6, 12, 24, 48 and 72 hours after funga...
Gummy stem blight is a major foliar disease of muskmelon (Cucumis melo L.). In this study, morphological characteristics and rDNA internal transcribed spacer (ITS) sequences were analyzed to identify the causal organism of this disease. Morphological examination of the Jeonbuk isolate revealed that the percentage of monoseptal conidia ranged from 0% to 10%, and the average length × width of the...
Four hundred isolates of Ascochyta rabiei (Pass.) Lab. collected from different parts of the country, such as Zarivar Marivan Lake in Kordestan Province Shabestar and Khosroshahr in Eastern Azarbaigan Province Serow, Bokan and Shahindeg in Western Azarbaigan Province Mashhad and Ilam were used in this experiment. These isolates showed little differences in their cultural and morphological chara...
ß-1,3-Glucanase and chitinase activities have been analyzed in cell suspension cultures o f an Ascochyta rabiei resistant ILC 3279 and a susceptible ILC 1929 cultivar o f chickpea ( Cicer arietinum) following treatment with an elicitor derived from this fungal pathogen. A facile method to determine both hydrolase activities in the cell culture medium was established. Significantly higher consti...
Ascochyta blight (caused by rabiei) is a primary concern of chickpea production worldwide. Intercropping with non-host crop has the potential to suppress this disease and improve resource use efficiency for enhanced yield. This study aimed evaluate effects seeding rate row configuration (Cicer arietinum L.)–flax (Linum usitatissimum L) intercropping on (1) yield seed quality, (2) incidence seve...
The poor information available on variation of Ascochyta blight fungus is the most important factor limiting chickpea breeding programs for resistance to blight disease. In this study, efforts were made to detect genetic variation of the pathogen in Iran. The RAPD marker was employed to evaluate 26 isolates collected from 16 provinces. Twelve random primers were used to analyze genomic DNA of t...
Ascochyta blight, an infection caused by rabiei is a destructive disease in many chickpea growing regions and it significant yield losses. To minimize the impact of 5 fungicides viz., Aliette, Cabrio Top, Thiovit Jet, Cymoxanil Difenoconazole, plants extracts namely Azadirachta indica, azedarach, Datura stramonium, Chenopodium album Allium sativum L. two strains T-22 E58 bio-control agents (BCA...
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