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Prevalence of Melon Wilt Disease and Pathogenicity of Fusarium Species Isolated From Melon in Konya Province

Year 2005, Volume: 19 Issue: 37, 100 - 105, 25.12.2005

Abstract

Fusarium wilt caused by Fusarium oxysporum Schlect f.sp. melonis (Leach &Currence) snyd.&Hans is the most im-portant disease of melon (Cucumis melo) in many countries, including Turkey. Konya is the major for melon plant field and production amongst the cities of Central Anatolia. Also Fusarium wilt is the most serious disease of melon plants in Konya Province.
This study was carried out during 2000-2002 for determination of prevalence Fusarium wilt disease on melons and path-ogenicity of Fusarium species isolated from melon. For this purpose, field surveys were carried out in 2000 and 2001 and then pathogenicity experiments were conducted in 2002. According to field survey results; prevalence ratios of disease were found 72.05 % and 84.55 %, while ratios of infected plants were determined as 19.22 % and 33.36 % in 2000 and 2001 respectively. The following fungi were the most commonly isolated from root and crown of diseased melon plants: Fusarium spp. (67.32 %), Macrophomina phaseolina (18.07 %), Fusarium spp. and Macrophomina phaseolina are together (5.90 %), Alternaria spp. (2.39 %), Rhizoctonia solani (1.52 %), Pythium spp. and (1.2 %). A total of 249 Fusarium spp. isolates were obtained. Of these isolates 37.8 %, 32.6 %, 16.4 %, 11.4 % and 1.8 % were identified as F. oxysporum, F.equiseti, F. culmorum, F.solani and F. semitectum respectively.
In pathogenicity experiments were used total 18 Fusarium spp. isolates (10 F. oxysporum, 3 F.solani, 3 F. equiseti and 2 F.culmorum). In the result of pathogenicity tests, only one F. oxysporum isolate was found more virulent (95.83 %) than other Fusarium isolates

Konya İlinde Kavun Solgunluk Hastalığının Yaygınlığı ve İzole Edilen Fusarium Türlerinin Patojeniteleri

Year 2005, Volume: 19 Issue: 37, 100 - 105, 25.12.2005

Abstract

Fusarium oxysporum f.sp. melonis isimli etmenin neden olduğu Fusarium solgunluğu Türkiye dahil bir çok ülkede kavu-nun en önemli hastalığıdır. Konya, İç Anadolu şehirleri içinde kavun ekim alanı ve üretim bakımından önemlidir. Ayrıca Konya İlinde Fusarium solgunluğu kavun bitkilerinin en ciddi hastalığıdır.
Kavunlarda Fusarium solgunluk hastalığının yaygınlığı ve izole edilen Fusarium türlerinin patojenitelerini saptamak için 2000- 2002 yıllarında bu çalışma yürütülmüştür.Tarla surveyleri sonuçlarına göre 2000 ve 2001’ de hastalıklı bitki oranları % 19.22 ve % 33.36 olarak belirlenirken, hastalığın yaygınlık oranları sırasıyla % 72.05 ve % 84.55 olarak tespit edilmiştir. Hastalıklı kavun bitkilerinin kök ve kök boğazından izole edilen en yaygın funguslar; Fusarium spp. (% 67.32), Macrophomina phaseolina (% 18.07), Fusarium spp. ve Macrophomina phaseolina birlikte (% 5.90), Alternaria spp. (% 2.39), Rhizoctonia solani (% 1.52) ve Pythium spp. (% 1.2)’ dir. 249 Fusarium izolatının % 37.8’i F.oxysporum, % 32.6’sı F.equiseti, % 16.4’ü F.culmorum, % 11.4’ü F. solani , % 1.8’i F. semitectum olarak tanımlanmıştır.
Toplam 18 adet Fusarium spp.(10 F. oxysporum, 3 F.solani ,3 F.equiseti,ve 2 F.culmorum) izolatı kullanılarak yapılan patojenisite testlerinde sadece bir tek F.oxysporum izolatının patojenisitesi ( % 95.83) yüksek çıkmıştır.

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Details

Primary Language English
Subjects Botany
Journal Section Research Article
Authors

Nuh Boyraz This is me

Kubilay K Baştaş This is me

Publication Date December 25, 2005
Submission Date January 1, 2005
Published in Issue Year 2005 Volume: 19 Issue: 37

Cite

EndNote Boyraz N, Baştaş KK (December 1, 2005) Prevalence of Melon Wilt Disease and Pathogenicity of Fusarium Species Isolated From Melon in Konya Province. Selcuk Journal of Agriculture and Food Sciences 19 37 100–105.

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