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Featured researches published by Hikmet Özbek.
Journal of the Faculty of Agriculture | 1987
Özdemir Alaoğlu; Hikmet Özbek
ozet Bu arastirma ile patateslerde 6 Coccinellidae, 4 Anthocoridae, 1 Nabidae, 1 Miridae, 4 Syrphidae ve 1 Chrysopidae turu olmak uzere 17 avcibocek turu bulunmustur. Bunlardan Nabis pseudoferus Rem. ve Chrvsoperla camca Steph, diger turlere oranla daha yogun populasyon olusturmaktadirlar. Bunlar, patateslerdeki zararli homopter ve heteropter turlerini baski altinda tutmada etkili olmaktadirlar. Summary Predatory Insects on Patatoes in Erzurum Province-Turkey Potato is an important product of Turkey. In eastern part of Turkey, Erzurum and its towns such as Pasinler, Oltu and some others have good ecological conditions for potato production. This study was conducted during 1986-87 in Erzurum province in order to determine the species of predator insects on potatoes Samples were taken once in a week in Erzurum, Pasinler ^ and once in 2-3 weeks in other towns by. a sweep-net during growing season At the end of the study, 6 Coccinellidae, 4 Anthocoridae, 1 Nabidae, 1 Miridae, 1 Chrysopidae and 4 Syrphidae species were found. Among these species, Nabis pseiiâoferus Rem. and Chrysoperla carnea (St2). were very widespread and built up higher populations than the others. Pesticide usage is not present or very restricted in the research areas. Therefore, it ean be councluded that there seems to be a balance between the predators and pests, especially homopters and heteropters.
Journal of the Faculty of Agriculture | 1976
Hikmet Özbek
OZET Bocek turleri arasindaki haberlesmenin saglanmasinda Pheromonlar buyuk onem tasirlar. Pheromon kelimesi ilk defa 1959 da kullanilmis ve bundan sonra bu konuda yogun calismalar yapilmaga baslanmistir. Vucudun muhtelif yerlerine lokalize olmus bezler veya hucreler tarafindan salgilanan ve Pheromon adi verilen kimyasal maddeler atmosfere yayilmakia ve ayni turun diger bireyleri tarafindanfark edildiginde bu biteylerde ozel reaksiyonlar meydana getirmektedir. Pheromonlarm onemi sosyal bocekler icin soliter olanlara oranla daha fazladir. Bir ari veya kannca kolonisinin yasamim muntazam bir sekilde surdurmesi pheromonlarm yardimiyla olmaktadir. Erkek ve disi/ erin birbirlerini bulmasinda, dusmanlardan korunmada, gida maddelerini bulmada, guiaca zengin yerlerin ayni kolonldeki diger fertlere bildirilmesinde ve bir kolonideki is bolumunun duzenli bir sekilde devamlilda pheromonlar onem tasir/ar.
Journal of the Faculty of Agriculture | 1986
Hikmet Özbek
Journal of the Faculty of Agriculture | 1983
Hikmet Özbek
Journal of the Faculty of Agriculture | 1990
Hikmet Özbek
Journal of the Faculty of Agriculture | 1985
J.D. Mumford; G.A. Norton; Hikmet Özbek
Journal of the Faculty of Agriculture | 1983
Hikmet Özbek
Journal of the Faculty of Agriculture | 1983
Hikmet Özbek
Journal of the Faculty of Agriculture | 1982
Hikmet Özbek
Journal of the Faculty of Agriculture | 1982
Hikmet Özbek