نتایج جستجو برای: cercospora beticola
تعداد نتایج: 738 فیلتر نتایج به سال:
تجزیه ژنتیکی مقاومت به عامل بیماری لکه برگی با استفاده از روش تلاقی دیآللکراس در شش رگه منوژرم دیپلوئید چغندرقند انجام گرفت. والدین و 15 هیبرید نسل اول (f1 ) در قالب یک طرح بلوکﻫای کامل تصادفی با چهار تکرار در مرکز تحقیقات کشاورزی صفی آباد - دزفول مورد ارزیابی قرار گرفتند. کرتها پس از آلودگی یکنواخت به عامل بیماری، بر اساس معیار، یک (بسیار مقاوم ) تا پنج (بسیار حساس) رتبهبندی شدند. تجزیه د...
In many parts of the world, Cercospora beticola is the most important leaf spot disease of sugar beets. The frequent risk of losses caused by this pathogen demands the application of fungicides in many regions of sugar beet growing. However, the damage potential is variable to a big extent, dependent on year, site and cropping measures. Therefore, we developed an IPM-System, which is reacting f...
Overview Each year the commercial carrot crop in Wisconsin suffers losses from alternaria leaf blight, cercospora leaf spot, and aster yellows. The first two are diseases caused by fungi (Alternaria dauci and Cercospora carotae). The third is a disease caused by the aster yellows phytoplasma, a parasitic bacterium of carrot phloem tissue and also of the aster leafhopper (Macrosteles quadrilinea...
Breeding for Cercospora resistant sugar beet cultivars requires field experiments for testing resistance levels of candidate genotypes in conditions that are close to agricultural cultivation. Non-invasive spectral phenotyping methods can support and accelerate resistance rating and thereby speed up breeding process. In a case study, experimental field plots with strongly infected beet genotype...
In this study, Cercospora sp.on Olea europaea and Pseudocercospora mori on Morus alba are being recorded from Iran. Moreover, new reports were provided for Cercospora apii s.l. (including C. canescens,C. citrullina, C. morina, C. sonchi, C. cruciferarumand C. helianthicola), and Pseudocercospora rubi. Also, Helianthus sp., Morus alba,Raphanus sp. and Taraxacum sp. are reported as new hosts forC...
One of the most important items of modern agriculture is the reduction of environmental impact thanks to the integration of new cultivation and protection techniques. Therefore it is important to optimise the use of chemicals and pesticides. We found that some coadjutants applied in tank mix with fungicides on sugar beet protection improve the effectiveness of active principles in cercospora le...
Fungi are the causal agents of many of the world's most serious plant diseases causing disastrous consequences for large-scale agricultural production. Pathogenicity genomic basis is complex in fungi as multicellular eukaryotic pathogens. The fungus Cercospora sojina is a plant pathogen that threatens global soybean supplies. Here, we report the genome sequence of C. sojina strain S9 and detect...
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