Bitki artıklarının buğdayda Bipolaris sorokiniana, Fusarium culmorum ve Fusarium graminearum'un neden olduğu kök çürüklüğüne etkileri

Farklı bitki artıkları ( buğday, mercimek, nohut, arpa, fiğ, kolza ve yulaf) ile muamele edilen toprak ekstraktlarmın laboratuvar koşullarında Bipolaris sorokiniana, Fusarium culmorum ve Fusarium graminearurrf un misel gelişimlerine etkileri belirlenmiştir. Bitki artıklarının tümü F. culmorum' un misel gelişimini teşvik etmiştir. Ancak, yulaf, mercimek, arpa, kolza ve fiğ artıkları B. sorokiniana ve F. graminearum' un her ikisininde misel gelişimini değişik oranlarda engellemiştir. Saksılarda yürütülen denemelerde, bitki artıklarının tümü, üç hastalık etmeninin enfeksiyon oranlarının % 8.92 ile % 71.98 arasında azalmasına neden olmuştur. Arpa, yulaf ve kolza artıkları bu üç patojenin neden olduğu kök çürüklüğü enfeksiyonlarını % 41.49 ila 71.98 oranlarında engelleyerek en yüksek etkiye sahip olmuşlardır.

Effects of plant residues on root rot in wheat caused by Bipolaris sorokiniana, Fusarium culmorum and Fusarium graminearum

The effects of extracts of soil amended with different plant ( wheat, lentil, chickpea, barley, rape, common vetch .and oat) residues to mycelial growth of Bipolaris sorokiniana, Fusarium culmorum, Fusarium graminearum were determined in laboratory experiment. All the crop residues stimulated the mycelial growth of F. culmorum. However, oat, lentil, barley, common vetch and rape residues inhibited mycelial growth of B. sorokiniana and F. graminearum. In pot experiment, the disease incidence of the three root rot pathogens of wheat was reduced between 8.92 and 71.98% by all of the plant residues. Barley, oat and rape residues were found the most effective on B. sorokiniana, F. culmorum and F. graminearum. They reduced disease incidence of three pathogens up to 41.49 to 71.98 %.

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