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Bu çalışma, 2015-2017 yılları arasında, ikinci ürün pamuk üretim sezonunda, Aydın İli Nazilli Pamuk Araştırma Enstitüsü Müdürlüğü deneme arazisinde yürütülmüştür. Çalışmada, farklı azot dozlarının (0, 70, 140 ve 210 kg N ha-1), sokucu-emiciler ve doğal düşmanlar üzerine etkilerinin belirlenmesi amaçlanmıştır. Çalışmada, Özbek 105, Gloria, Julia ve Lydia pamuk çeşitleri kullanılmıştır. Haftalık periyotlarla yapılan zararlı gözlemleri sonucunda; Aphis gossypii Glover (Hemiptera: Aphididae), Empoasca decipiens Paoli + Asymmetrasca decedens (Paoli) (Hemiptera: Cicadellidae), Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae), Thrips tabaci Lindeman (Thysanoptera: Thripidae) ve Tetranychus urticae Koch (Acarina: Tetranychidae) türlerinin farklı azot dozlarına ve pamuk çeşitlerine göre popülasyon değişimleri tespit edilmiştir. Uygulanan azot dozu miktarındaki artış, tüm pamuk çeşitlerinde, zararlıların popülasyon yoğunluğunun artmasına neden olmuştur. Predatör türler olarak; Aeolothrips spp. (Thysanoptera: Aeolothripidae), Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae), Campylomma diversicornis Reuter (Hemiptera: Miridae), Nabis spp. (Hemiptera: Nabidae), Orius spp. (Hemiptera: Anthocoridae), Adonia variegata (Goeze) (Coleoptera: Coccinellidae), Coccinella septempunctata Linnaeus (Coleoptera: Coccinellidae), Coccinella undecimpunctata Linnaeus (Col.: Coccinellidae) ve Scymnus spp. (Coleoptera: Coccinellidae) tespit edilmiştir. Çalışmadan elde edilen veriler ışığında, gübrelemenin zararlılar ile mücadelede önemi ortaya konulmuştur. Ayrıca, azot dozlarının, önerilen dozlarda (150 kg N ha-1) uygulanması ile zararlı türlerinin popülasyon yoğunluğunun düştüğü ve bu durumun, ekonomik ve ekolojik pamuk üretimine yardımcı olabileceği belirlenmiştir.
This study, between 2015-2017 years, was carried out in the second product cotton production season, at the experimental ground of the Headquarters of the Aydin Ili Nazilli Cotton Research Institute. The study was aimed at determining the effects of different nitrogen doses (0, 70, 140 and 210 kg N ha-1), inductors and natural enemies. In the study, Uzbek 105, Gloria, Julia and Lydia cotton varieties were used. As a result of hazardous observations by weekly periods, the variations of population of the species of Aphis gossypii Glover (Hemiptera: Aphididae), Empoasca decipiens Paoli + Asymmetrasca decedens (Paoli) (Hemiptera: Cicadellidae), Bemisia tabaci (Gennadius) (Hemiptera: Aleyrodidae), Thrips tabaci Lindeman (Thysanoptera: Thripidae) and Tetranychus urticae Koch (Acarina: Tetranychidae) were identified according to the different nitrogen doses and cotton varieties. The increase in the amount of the applied nitrogen dose has led to the increase in the population intensity of the harmful in all cotton varieties. Aeolothrips spp. (Thysanoptera: Aeolothripidae), Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae), Campylomma diversicornis Reuter (Hemiptera: Miridae), Nabis spp. (Hemiptera: Nabidae), Orius spp. (Hemiptera: Anthocoridae), Adonia variegata (Goeze) (Coleoptera: Coccinellidae), Coccinella septempunctata Linnaeus (Coleoptera: Coccinellidae), Coccinella undecimpunctata Linnaeus (Col.: Coccinellidae) and Scymnus spp. (Coleoptera: Coccinellidae) is identified. In light of the data obtained from the study, the importance of fertilization in the fight against harmful ones has been shown. It has also been determined that the use of nitrogen doses in the recommended doses (150 kg N ha-1) and the population intensity of harmful species has decreased, and this situation may help economic and ecological cotton production.
This study was conducted at the Experimental Area of Nazilli Cotton Researh Institute in second crop cotton season in years, 2015-2017. It was aimed to determine different doses of nitrogen fertilizer (0, 70, 140 and 210 kg N ha-1) on abudance of pests and their predators. Özbek 105, Gloria, Julia and Lydia cotton varieties were used as cotton varieties. As a result of the pests observations in the study, the variations of population densities of the pest species Aphis gossypii Glover (Hem.: Aphididae), Empoasca decipiens Paoli + Asymmetrasca decedens (Paoli) (Hem.: Cicadellidae), Bemisia tabaci (Gennadius) (Hem.: Aleyrodidae), Thrips tabaci Lindeman (Thy: Thripidae) and Tetranychus urticae Koch (Acarina: Tetranychidae) were assessed for the different nitrogen doses and cotton varieties. The increase at the amount of nitrogen dose has allowed an increase in population densities of the pest insects species in all cotton varieties studied. In the study, predatory species; Aeolothrips spp. (Thys.: Aeolothripidae), Chrysoperla carnea (Stephens) (Neuroptera: Chrysopidae), Campylomma diversicornis Reuter (Hem.: Miridae), Nabis spp. (Hem.: Nabidae), Orius spp. (Hem.: Anthocoridae), Adonia variegata (Goeze) (Col.: Coccinellidae), Coccinella septempunctata Linnaeus (Coleoptera: Coccinellidae), Coccinella undecimpunctata Linnaeus (Col.: Coccinellidae) and Scymnus spp. (Col.: Coccinellidae) were identified. There was a positive relationship among the nitrogen doses and the population densities of the predators. In the light of the findings obtained from the study, the importance of fertilization in the control tactics performed against pest insects has been revealed. The application of nitrogen dose with (150 kg N ha-1) was recomended, leading economic and ecological production of cotton, and also creating a balance factor that limits the pest's population development in cotton.
Alan : Ziraat, Orman ve Su Ürünleri
Dergi Türü : Ulusal
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