Lasioptera sp. (Diptera: Cecidomyiidae)’ye farklı budama yöntemlerinin etkisi

Yıl 2018, Cilt: 8 Sayı: 2, 15 - 22, 06.01.2018

Bülent Yaşar Şenay Alkan

https://doi.org/10.16969/entoteb.423285

Öz

Bu çalışmada domatesteki koltuk sürgünlerinin farklı
yöntem ve uzunluklarda kesilmesinin Lasioptera
sp. dişilerinin yumurta bırakma tercihlerini nasıl etkilediği saptanmaya
çalışılmıştır. Çalışma 2017 yılında Antalya ilindeki bir domates serasında
yürütülmüştür. Deneme 5 karakterden oluşmuştur (Makasla 5 ve 8 cm uzunluğunda
kesim; elle 5 ve 8 cm uzunluğunda kırma, hiç koltuk alma yapılmamış (muamelesiz
kontrol). Tüm karakterler 100 tekerrürlü olarak denenmiştir. Çalışmadan elde
edilen sonuçlar makasla kesilen sürgünlere, elle kırılan sürgünlerden daha
fazla yumurta bırakıldığını ve aralarındaki fark istatistiki olarak önemli olduğunu
göstermiştir (P<0.05). Makasla 5 cm uzunlukta kesilen sürgünlerde toplam 418
adet yumurta bırakılmasına karşılık, 8 cm uzunluğunda kesilenler 215 adet
yumurtaya sahipti. Elle kırılan sürgünlerde 53-55 adet yumurta bırakılmıştır. Çalışma
süresince hiçbir işlem (kesme ya da kırma) yapılmadan bırakılan muamelesiz kontrol
sürgünlerine ise hiç yumurta bırakılmamıştır. Sonuç olarak, daha önce yapılan
çalışmalarda da bildirildiği gibi domates bitkisinden salgılanan semiokimyasallardan
olan terpen maddesinin elle kırılan sürgünlerde daha fazla olması ve böceklere
repellent etki yapmasından dolayı bu sürgünleri daha az tercih ettiğini
düşündürmektedir. Tüm sonuçlar, elle 5-8 cm uzunlukta sürgün kırmanın
zararlının zararını yaklaşık %87 kadar azaltabildiğini göstermiş olup, bu
metodun yumurta bırakma aktivitesini azaltarak zararlı ile mücadelede etkili
olabileceğini öğütlemektedir.

Anahtar Kelimeler

Lasioptera, domates, budama, mücadele

The effect of different pruning methods on Lasioptera sp. (Diptera: Cecidomyiidae)

Öz

In
this study, effect of cutting axial shoot in different ways and lengths on the
egg-laying preferences of the females of Lasioptera
sp. on tomatoes was determined. The study was conducted on naturally infected
tomato plants in Antalya province in 2017. The experiment consisted of 5
characters (pruning at 5 and 8 cm long by scissors or manually and untreated
control) with 100 replications. As a result, more pupae were counted in the
scissors pruning groups than in the manual pruning axial shoots and the
difference between two treatment was statistically significant (P<0.05). In the
axial shoot pruning with scissors at 5 cm length 418 pupae and at 8 cm length
215 pupae were counted. No pupae were found to untreated control axial shoots
that did not have any treatment, pruning or manual pruning, during the study.
As a result, as reported in previous studies, overall the results showed that manual
pruning the axial shoots at 5-8 cm lengths could reduce the damage of this
insect by approximately 87%, and suggest that this method can be effective in
controlling this harmful species by reducing its egg-laying activity.

Anahtar Kelimeler

Lasioptera, tomato, pruning, control

Kaynakça

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