Ateş yanıklığı (Erwinia amylovora (Burr.) Winslow et al.)' nın prohexadione-Ca (Bas 125 10 W) vebenzothiadiazole+metalaxyl (Bion MX 44 WG) ile savaşımı üzerinde araştırmalar

Bir bitki gelişim düzenleyici (Prohexadione-Ca) ve bir bitki aktivatörü ve sistenıik fungusit (Benzothiadiazole+Metalaxyl) karışımının Ankara, Santa Maria, Williams, Deveci, Rıza Bey armut çeşitlerinde, Erwinia amylovora (Burr.) Winslow et al.) ' nın neden olduğu ateş yanıklığı hastalığının yol açtığı sürgün yanıklığına etkileri in vivo koşullarda araştırılmıştır. Elde edilen bulgulara göre; hastalığı önlemede streptomisin serada %68,85-95,70, arazi koşullarında %95,60-98,08 ile en yüksek etkiye sahip madde olmuş, bunu sırasıyla Prohexadione-Ca (sera %16,50-25,20, arazi %17,22-27,58), Benzothiadiazole+Metalaxyl (sera %12,27-16,29, arazi %6,38-17,21) ve Tenn Cop 5 E (sera %6,57-14,38, arazi %6,S 1-15,95) takip etmişlerdir. Ayrıca bu kimysallann armut çeşitlerinde/ü sürgün gelişimi üzerine etkileri belirlenmiştir.

Anahtar Kelimeler:

mantar öldürücüler, bitki hastalıkları, armut, Erwinia amylovora, kimyasal kontrol, zirai mücadele, bitki patojen bakterileri, zararlı savaşımı, metalaksil

Researches on teh control of fire blight (Erwinia amylovora (BURR.) winslov et al.) with prohexadione-Ca (Bas 125 10 W) and benzothiadiazole+ Metalaxyl (Bion MX 44 WG)

Effects of a growth regulator (Prehexadione-Ca) with a plant activator+systemic fungusit (Benzothiadiazole + Metalaxyl) combination on shoot blight phase of fin blight caused by Erwinia amylovora were investigated on Ankara, Santa Maria, Williams, Deveci, Rıza Bey pear cultivate in vivo conditions. According to the data obtained; Streptomycin gave the highest protection both in greenhouse (68,85-95,70%) and in the field (95,60-98,08%) and it was followed by Prohexadione-Ca (greenhouse 16,50-25,20% and field 17,22-27,58%), Benzothiadiazole+Metalaxyl (greenhouse 12,27-16,29%, field 6,38-17,21%) and Tenn Cop 5 E (greenhouse 6,57-14,38%, field 6,51-15,95%). In addition, the effects of this chemicals on shoot growth of pear varieties were also determined.

Keywords:

fungicides, plant diseases, pears, Erwinia amylovora, chemical control, pest management, plant pathogenic bacteria, pest control, metalaxyl,

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