THE EFFECTS OF Lythrum salicaria L. LEAF TUOGHNESS ON FEEDING OF SOME INSECT GROUPS

Abstract

In this study, the connection between upper-lower leaf toughness and insect feeding in populations of Lythrum salicaria L. taxon, spreading along the Porsuk River, Kütahya have been examined, considering canopy coverage as main factor. It has been determined that there is a negative (-) relation between total number of insects and canopy coverage (%) (r = -0,94); the more canopy coverage has increased, the less the total number of insects that spreading on the stem and leaves of Lythrum salicaria populations has decreased. Moreover, with the increase of lower (r = 0,33) and upper leaf (r = 0,42) toughness (gr), it has been determined that the number of total insects invading the stem and leaves of Lythrum salicaria populations has also increased.

Keywords

• Insect feeding canopy coverage,Porsuk River,Kütahya

Lythrum salicaria L. (Lythraceae) YAPRAK SERTLİKLERİNİN BAZI BÖCEK GRUPLARININ BESLENMELERİ ÜZERİNE ETKİLERİ

Abstract

Bu araştırmada, Lythrum salicaria L. taksonunun Kütahya ili Porsuk Nehri kenarında yayılış gösteren populasyonlarının alt ve üst yaprak sertlikleri ile bazı böcek türlerinin beslenmeleri arasındaki ilişki tepe tacı kapalılığı ana etken olmak üzere araştırılmıştır. Lythrum salicaria populasyonlarını istila eden toplam böcek sayısı ile tepe tacı kapalılığı (%) arasında negatif (-) bir ilişkinin olduğu (r = -0,94), tepe tacı kapalılığı yüzdesi arttıkça, Lythrum salicaria populasyonlarının gövde ve yapraklarında yayılış gösteren toplam böcek sayısının azaldığı belirlenmiştir. Ayrıca alt (r = 0,33) ve üst yaprak (r = 0,42) sertliklerinin (gr) artması ile, Lythrum salicaria populasyonlarının gövde ve yapraklarını istila eden toplam böcek sayısının da arttığı tespit edilmiştir.

Keywords

• Böcek beslenmesi,tepe tacı kapalılığı,Porsuk Çayı,Kütahya

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