Integrated Disease Management of Ascochyta Blight (Ascochyta rabiei) in Chickpea

Year 2018, Volume: 11 Issue: 3, 488 - 498, 30.12.2018

Şerife Evrim Arıcı , Mehmet Ali Seven

https://doi.org/10.18185/erzifbed.395975

Abstract

The chickpea anthracnose [Ascochyta rabiei (Pass.) Labr.] causes a
significant loss in the chickpea growing areas in our country, with 100% loss
of crops, if the disease conditions are appropriate in the season. In
our country, some fungicides against this disease are only recommended as seed
fungicides, but the farmers do not pay much attention to seed treatment and
effective control is not possible against
disease. In addition, the use of sensitive or tolerant chickpeas is of great
importance in the control of the disease. In this study, the effects of
different application managements (seed, foliar, seed + foliar application)
with Mancozeb, Thiram and Boscalid + Pyraclostrobin fungicides against Ascochyta rabiei were investigated using
Koçbaşı (sensitive) and Sarı 98 (tolerance) chickpea varieties. As a result of
the study, the most effective application of the seed + foliar on the Sarı 98
chickpea cultivar was detected with 27.4% disease severity. The most effective
fungicide in Sarı 98 chickpea cultivars was Boscalid + Pyraclostrobin with
21.8% disease severity. In the same application, the severity of the disease in
Koçbaşı cultivar was determined as 36.3%. In the evaluation of fungicide application
management and fungicides at the same time, it was determined that Boscalid +
Pyraclostrobin active ingredient fungicide was reduced to 12.6% as a result of
both the seed + foliar application.

Keywords

Fungicide Management, Koçbaşı, Sarı 98, Fungicide Seed Treatment, Foliar Fungicide

Nohut Antraknozu (Ascochyta rabiei)’nun Entegre Hastalık Yönetimi

Abstract

Ülkemizde nohut ekim alanlarında önemli kayıplara yol açan nohut antraknozu [Ascochyta rabiei (Pass.) Labr.]
hastalığı, koşulların uygun gittiği mevsimlerde % 100'e varan ürün kayıplarına neden
olmaktadır. Ülkemizde bu hastalığa karşı bazı fungisitler sadece tohum
ilaçlaması olarak önerilmekte olup, üreticiler tohum ilaçlamasına çok önem
vermemekte ve hastalık ile ilgili etkin bir mücadele yapılamamaktadır. Bunun
yanı sıra hastalık ile mücadelede kullanılan çeşit büyük önem taşımaktadır. Bu
çalışmada dayanıklı ve duyarlı olan Koçbaşı (duyarlı) ve Sarı 98 (toleranslı)
nohut çeşitleri kullanılarak Mancozeb, Thiram ve Boscalid + Pyraclostrobin
etken maddeli ilaçlarla farklı ilaçlama programının (tohum, yeşil aksam, tohum
+ yeşil aksam uygulamaları) Ascochyta
rabiei'ya etkisi araştırılmıştır. Çalışma sonucunda Sarı 98 çeşidi üzerinde
en uygun ilaçlama uygulamasının % 27.4 hastalık şiddeti ile tohum + yeşil aksam
ilaç uygulaması olduğu tespit edilmiştir. En etkili fungisitin ise, Sarı 98
nohut çeşidinde % 21.8 hastalık şiddeti ile Boscalid + Pyraclostrobin olduğu
belirlenmiştir. Aynı uygulamada, Koçbaşı nohut çeşidinde hastalık şiddeti %
36.3 olarak belirlenmiştir. İlaç uygulamalarının ve fungisitlerin aynı anda
değerlendirilmesi sonucu, Sarı 98 çeşitinde, Boscalid + Pyraclostrobin etken
maddeli fungisitin, hem tohumdan hem de yeşil aksamdan uygulanması neticesinde
hastalık şiddeti % 12.6 seviyesine indirdiği belirlenmiştir. 

Keywords

Koçbaşı, Sarı 98, Fungisit Yönetimi, Tohum İlaçlama, Yeşil Aksam İlaçlama

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