نتایج جستجو برای: calonectria pseudonaviculata
تعداد نتایج: 134 فیلتر نتایج به سال:
Calonectria spp. are important pathogens of ornamental plants in nurseries, especially in the Northern Hemisphere. They are commonly associated with a wide range of disease symptoms of roots, leaves and shoots. During a recent survey in Tunisia, a number of Calonectria spp. were isolated from tissues of ornamental plants showing symptoms of leaf spot, crown and root rot. The aim of this study w...
Leaf blight caused by Calonectria spp. is an important disease occurring on Eucalyptus trees grown in plantations of Southeast Asia. Symptoms of leaf blight caused by Calonectria spp. have recently been observed in commercial Eucalyptus plantations in FuJian Province in Southeast China. The aim of this study was to identify these Calonectria spp. employing morphological characteristics, DNA seq...
Abstract Fungicide protection is the current approach for management of boxwood blight caused by Calonectria pseudonaviculata ( Cps ) and C. henricotiae Che ). However, published studies evaluating fungicides under field conditions have been focused on . The objective this study was to evaluate in Northern Germany where both were present. Three trials conducted between 2006 2016. In 2006, plant...
Species of Calonectria are important plant pathogens, several of which have a worldwide distribution. Contemporary taxonomic studies on these fungi have chiefly relied on DNA sequence comparisons of the beta-tubulin gene region. Despite many new species being described, there has been no phylogenetic synthesis for the group since the last monographic study almost a decade ago. In the present st...
Calonectria (Ca.) species and their Cylindrocladium (Cy.) anamorphs are well-known pathogens of forest nursery plants in subtropical and tropical areas of the world. An investigation of the mortality of rooted Pinus cuttings in a commercial forest nursery in Colombia led to the isolation of two Cylindrocladium anamorphs of Calonectria species. The aim of this study was to identify these species...
Species of Calonectria and their Cylindrocladium anamorphs are important plant pathogens worldwide. At present 52 Cylindrocladium spp. and 37 Calonectria spp. are recognised based on sexual compatibility, morphology and phylogenetic inference. The polyphasic approach of integrating Biological, Morphological and Phylogenetic Species Concepts has revolutionised the taxonomy of fungi. This review ...
در این پژوهش اثرهای برخی نانومواد (نانوسلولز، نانوکیتین، نانوکیتوزان، نانونقره و نانومس) در کنترل قارچ عامل بیماری در شرایط درونشیشهای ارزیابی شد. آزمایش بهصورت فاکتوریل در قالب طرح کاملاً تصادفی با سه تکرار و در پنج غلظت (صفر، 50، 100، 150 و 200 پیپیام) برای هر نانومواد انجام پذیرفت. نتایج نشان داد که کاربرد نانومواد با غلظتهای ذکرشده در ممانعت از رشد میسلیوم قارچ عامل بیماری معنید...
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