Görüntüleme
44
İndirme
9
Bu çalışma Samsun ili Bafra, Çarşamba ve Terme ilçelerinde yoğun olarak fasulye üretimi yapılan alanlarda, fasulyede kök çürüklüğü ve solgunluğa neden olan Fusarium türlerinin tespiti ve patojenitelerinin belirlenmesi amacıyla yapılmıştır. Bu ilçelerde toplam 50 farklı fasulye üretim alanında sörvey çalışmaları gerçekleştirilmiştir. Hastalıklı fasulye bitkilerinden yapılan izolasyonlar sonucunda 168 Fusarium izolatı elde edilmiştir. Çalışmada Fusarium oxysporum %47.0’lık oranla en fazla izole edilen tür olurken, bunu F. solani (%25.0) takip etmiştir. Çalışmada izole edilen diğer türler sırasıyla F. semitectum (%10.1), F. verticillioides (%7.7), F. equiseti (%1.8), F. lateritium (%1.2), F. poae (%1.2), F. acuminatum (%0.6), F. chlamydosporum (%0.6), F. compactum (%0.6), F. heterosporum (%0.6), F. merismoides (%0.6), Microdochium nivale (%0.6) ve F. proliferatum (%0.6)’dur. Gina çeşidi fasulye bitkilerinin kullanıldığı patojenite denemeleri sonucunda, tüm Fusarium spp. izolatları arasında, fasulyede solgunluğa neden olan F. oxysporum f. sp. phaseoli‘ye ait Ç-23-2 ve Ç-20-3 izolatlarının en virülent izolat olduğu tespit edilmiştir. Bununla birlikte fasulyede kök çürüklüğüne neden olan F. solani f. sp. phaseoli’nin 3 izolatının ise orta derecede virülent olduğu belirlenmiştir. Sonuç olarak Samsun ilinde fasulye üretimi yapılan alanların önemli toprak patojenlerinden biri olan Fusarium ile bulaşık olduğu tespit edilmiştir.
This study was conducted in the areas that are intensely produced in the Samsun or Bafra, Wednesday and Terme districts, with the aim of detecting and identifying the pathogens of the Fusarium species that cause root corruption and bleeding in the beans. In total, 50 different beans have been produced in this area. As a result of insulation from ill beef plants, 168 Fusarium insulates were obtained. In the study, Fusarium oxysporum was the most isolated species by 47.0%, followed by F. solani (25.0%). Other species isolated in the study are F. semitectum (%10.1), F. verticillioides (%7.7), F. equiseti (%1.8), F. lateritium (%1.2), F. poae (%1.2), F. acuminatum (%0.6), F. chlamydosporum (%0.6), F. compactum (%0.6), F. Heterosporum (%0.6), F. merismoides (%0.6), Microdochium nivale (%0.6) and F. proliferatum (%0.6). As a result of pathogenity trials in which the Gina variety of beans plants are used, all Fusarium spp. F. oxysporum f. sp, which causes flavonoidity in the beans. The phaseoli C-23-2 and C-20-3 is found to be the most virulent isolat. However, F. solani f. sp. that causes root corruption in the beans. Three isolates of phaseoli have been determined to be medium virulent. As a result, the fields produced in the province of Samsun were found to be washed with Fusarium, one of the important soil pathogens.
This study was conducted with the aim of determining pathogenicities and the species of Fusarium which cause root rot and wilt on bean in the areas where bean production was made in Bafra, Çarşamba and Terme districts of Samsun province. In the three districts, surveys were conducted in a total of 50 different bean production areas. As a result of isolation made from the infected bean plants, totally 168 Fusarium isolates were obtained. In the study, Fusarium oxysporum was the most frequently isolated species with a rate of 47.0%, followed by F. solani (25.0%). The other isolated species were F. semitectum (10.1%), F. verticillioides (7.7%), F. equiseti (1.8%), F. lateritium (1.2%), F. poae (1.2%), F. acuminatum (0.6%), F. chlamydosporum (0.6%), F. compactum (0.6%), F. heterosporum (0.6%), F. merismoides (0.6%), Microdochium nivale (0.6%) and F. proliferatum (0.6%) respectively. As a result of the pathogenicity test used plants of bean cultivar Gina, among isolates of 22 Fusarium spp., it was determined that isolates of Ç-23-2 and Ç-20-3 belonging to F. oxysporum f. sp. phaseoli causing wilt on bean were found to be the most virulent. However, the three isolates of F. solani f. sp. phaseoli causing root rot in beans were determined to be moderately virulent. As a result, it was determined that the majority of bean producing areas in Samsun province was infested by Fusarium which is one of the major soil pathogens.
Alan : Ziraat, Orman ve Su Ürünleri
Dergi Türü : Ulusal
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