Evaluation of seasonal population fluctuation of plants bugs (Hemiptera: Miridae) on cotton plants of Amik Plain

Abstract

Aims: Evaluation of seasonal population fluctuation of plants bugs (Lygus gemellatus (HerrichSchäffer), Lygus pratensis Linnaeus, and Creontiades pallidus (Rambur) (Hemiptera: Miridae) on cotton plants of Amik Plain.

Methods and Results: The studies were carried out at fifty cotton fields located in Kırıkhan, Reyhanlı, Kumlu, Demirköprü and Uydukent districts of Amik Plain in Hatay province. Each of district contained 10 different cotton fields. The samplings were weekly taking by using a 45-cm diameter sweep-net, taking 25 (back-forth) sweep samples per site. The adults and nymphs of plant bugs were sorted out from plants materials, counted and recorded for each of the sampling locality and cotton field. A total of 1855 of plant bugs were caught by sweep-net at five (fifty cotton fields) sampled districts. The largest number of plants bugs were recorded in Demirköprü, followed by Reyhanlı, Uydukent, Kumlu and Kırıkhan. In addition, the highest mean of plant bugs were recorded on 8 October comparing to others sampling dates. Moreover, the largest amount of plants bugs were recorded in September, followed in October, August and July. In general, population density of plant bugs in Demirköprü, Reyhanlı, Uydukent and Kumlu districts were significantly higher than in Kırıkhan district.

Conclusions: The highest number of plants bugs (Lygus gemellatus (HerrichSchäffer), Lygus pratensis Linnaeus, and Creontiades pallidus (Rambur) were recorded in Demirköprü, followed by Reyhanlı, Uydukent, Kumlu and Kırıkhan districts. Moreover, the largest number of plants bugs were recorded in September, followed in October, August and July.

Significance and Impact of the Study: A total of 1855 of plant bugs were caught by sweep-net at five sampled districts. The highest number of plants bugs were recorded in Demirköprü, followed by Reyhanlı, Uydukent, Kumlu and Kırıkhan districts. Moreover, the largest amount of plants bugs were recorded in September, followed in October, August and July. In general, population density of plant bugs in Demirköprü, Reyhanlı, Uydukent and Kumlu districts were significantly higher than in Kırıkhan district.

Keywords

• Plants bugs (Hemiptera:Miridae)
• Cotton
• Amik plain

Amik Ovasındaki pamuk bitkilerinde bitki tahtakurularının (Hemiptera: Miridae) mevsimsel popülasyon dalgalanmalarının değerlendirilmesi

Öz

Amaç: Amik Ovası pamuk bitkilerinde bitki tahtakuruları (Lygus gemellatus (HerrichSchäffer), Lygus pratensis Linnaeus ve Creontiades pallidus (Rambur)) (Hemiptera: Miridae)’nın mevsimsel popülasyon dalgalanmasının değerlendirilmesi.

Yöntem ve Bulgular: Çalışmalar Hatay İli Amik Ovasının Kırıkhan, Reyhanlı, Kumlu, Demirköprü ve Uydukent İlçelerinde bulunan elli pamuk tarlasında gerçekleştirilmiştir. Her ilçeden 10 farklı pamuk tarlası seçilmiştir. Örneklemeler haftalık olarak her pamuk tarlasından 45 cm çapında atrapla 25 (ileri-geri) şeklinde alınmıştır. Her bir örnekleme yeri ve pamuk tarlası için bitki taktakurularının erginleri ve nimfleri bitki materyallerinden ayıklanmış, sayılmış ve kaydedilmiştir. Örneklenen beş ilçede (elli pamuk tarlası) toplam 1855 adet bitki taktakurusu atrap ile yakalanmıştır. En fazla bitki taktakurusu Demirköprü’de kaydedilirken, onu Reyhanlı, Uydukent, Kumlu ve Kırıkhan izlemiştir. Diğer örnekleme tarihlerine kıyasla en yüksek bitki taktakurusu ortalaması 8 Ekim'de kaydedilmiştir. Ayrıca, en büyük miktarda bitki taktakurusu Eylül ayında kaydedilmiş, bunu Ekim, Ağustos ve Temmuz ayları takip etmiştir. Genel olarak, Demirköprü, Reyhanlı, Uydukent ve Kumlu İlçelerinde bitki taktakurusu popülasyon yoğunluğu Kırıkhan İlçesine göre önemli ölçüde yüksek bulunmuştur.

Genel Yorum: En fazla bitki taktakurusu Demirköprü'de kaydedilirken, onu Reyhanlı, Uydukent, Kumlu ve Kırıkhan İlçeleri izlemiştir. Ayrıca, en fazla sayıda bitki taktakurusu Eylül ayında kaydedilirken, bunu Ekim, Ağustos ve Temmuz ayları takip etmiştir.

Çalışmanın Önemi ve Etkisi: Örneklenen beş bölgede toplam 1855 adet bitki taktakurusu atrap tarafından yakalanmıştır. En fazla bitki taktakurusu Demirköprü'de kaydedilirken, onu Reyhanlı, Uydukent, Kumlu ve Kırıkhan İlçeleri izlemiştir. Ayrıca, en büyük miktarda bitki taktakurusu Eylül ayında kaydedilmiş, bunu Ekim, Ağustos ve Temmuz ayları takip etmiştir. Genel olarak, Demirköprü, Reyhanlı, Uydukent ve Kumlu İlçelerinde bitki taktakurusunun popülasyon yoğunluğu Kırıkhan İlçesine göre önemli ölçüde yüksek bulunmuştur.

Anahtar Kelimeler

• Bitki taktakurusu (Hemiptera: Miridae),
• Pamuk
• Amik ovası

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