Infection of Botrytis cinerea in Different Fungicide Application Programs in Semillon Grape

Yıl 2018, Cilt: 15 Sayı: 3, 61 - 67, 15.09.2018

Nagehan Desen Köycü , Cengiz Özer Erhan Solak Nafiz Delen

Öz

Botrytis cinerea can lead to
reduction in the yield and quality of table and wine grapes, with high economic
loses in the world and also Turkey. In this work was compared fungicide
applications in trial vineyard of Semillon cv. with that of several grower
vineyards the effectiveness to fruit infection of Botrytis cinerea at harvest. Studies were conducted at five sites
in Tekirdağ. All fungicide treatments reduced mean B. cinerea berry infection when compared to the unsprayed control
treatment. Trial programme resulted in at least disease severity (1.46%) and
incidence (5.83%) and this programme was used fungicide at flower stage for B. cinerea. The highest disease severity
(11.46%) and incidence (31.67%) was noted in Grower I Programme. This is
followed by Grower III programme, Grower II programme and Grower IV programme,
respectively. The recommendation for control of B. cinerea in the Trakya region is to apply one spray at bloom.

Anahtar Kelimeler

Botrytis cinerea, fungicides, berry infection

Farklı Fungisit Uygulama Programlarında Semillon Üzümünde Botrytis cinerea’nın Enfeksiyonu

Öz

Botrytis cinerea dünyada olduğu gibi aynı zamanda Türkiye’de
de sofralık ve şaraplık üzümlerde önemli ekonomik kayıplara neden
olabilmektedir. Bu çalışmada, Semillon şaraplık üzüm çeşidinde B. cinerea’nın hasat döneminde meydana
getirdiği meyve enfeksiyonlarına karşı fungisit deneme programı ile
üreticilerin uyguladığı fungisit programları karşılaştırılmıştır. Deneme
Tekirdağ ilinde gerçekleştirilmiştir. B.
cinerea’ya karşı fungisit uygulaması yapılmamış kontrol üretici bağındaki
hastalık şiddeti %66,67 olarak tespit edilmiştir. Uygulanan tüm fungisit
programları konrol üretici bağı ile karşılaştırıldığında B. cinerea’nın tane enfeksiyonlarını azalttığı tespit edilmiştir.
En az hastalık şiddeti (%1,46) ve hastalık oranı (%5.83) çiçeklenme döneminden
itibaren başlatılan deneme programında tespit edilmiştir. En yüksek hastalık
şiddeti (%11.46) ve hastalık oranı (%31.67) I. üreticinin uyguladığı programda
tespit edilmiştir. Bunu sırasıyla III. üretici programı, II. üretici programı
ve IV. üretici programı takip etmiştir. Trakya Bölgesi’nde B. cinerea’nın kontrolü için çiçeklenme döneminde fungisit
uygulamalarının başlatılması gerekmektedir.

Anahtar Kelimeler

Botrytis cinerea, fungisit, tane enfeksiyonu

Kaynakça

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