Frisol F, Promot ve Fluoresent Pseudomonaslar ı n Kavunda Fusarium oxysporum f. sp. melonis Irk 1,2' nin Neden Oldu ğ u Solgunluk Hastal ığı na Kontrollü Koşullarda Etkileri

Year 2003, Volume: 09 Issue: 02, 203 - 205, 01.05.2003

Kudret Erzurum Salih Maden

https://doi.org/10.1501/Tarimbil_0000000791

Abstract

Organik materyal Frisol F 1,13 g/kg toprak dozunda uygulanm ışt ı r. Bu materyalin tek ba şı na ve antagonistik mikroorganizmalar ile birlikte uygulanmas ı hastal ı k oluşumunu etkilememiştir. Trichoderma koningii ve T. harzianum' un ticari preparat ı Promot 1 g/kg toprak hastal ığı % 42.86 oran ı nda azaltm ış fakat bu etki istatistiksel olarak önemli bulunmam ışt ı r. Kavun tohumlar ı n ı n 2 saat süre ile Pseudomonas fluorescens ve P. putida' n ı n 109 ı r ı ld ı ktan sonra ekilmesi sonucunda solgunluk s ı ras ı yla % 54,14 ve 71,43 oran ı nda hücre/mi lik süspansiyonuna bat azalmışt ı r. İ kinci etki istatistiksel olarak önemli bulunmu ştur.

Keywords

kavun, fusarium solgunlu ğ u, antagonistik mikroorganizmalar

Effects of Frisol F, Promot and Fluorescent Pseudomonads Against Fusarium Wilt of Melon Caused by Fusarium oxysporum f.sp. melonis Race 1,2 in Controlled Conditions

Abstract

The organic material, Frisol F, was incorporated to the potting soil at the rate of 1,13 g/kg soil. Application of this material alone or in combination with antagonistic microorganisms did not reduce wilt development. The commercial preparation of Trichoderma koningli and T. harzianum, Promot 1 g/kg soil reduced wilt incidence 42.86 % but this was not statistically different than the control. When melon seeds were soaked in the suspensions of Pseudomonas fluorescens and P. putida of 109cell/ml for 2 hours wilt incidence was reduced 54.14 and 71.43 % respectively, the latter being significant.

Keywords

melon, fusarium wilt, antagonistic microorganisms

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