Kebere (Capparis ovataDesfÖzet: Bu ara ştı rmada; çimlenme problemi olan kebere tohumlar ı na büyümeyi düzenleyici maddeler, fiziksel uygulamalar yap ı larak çimlenme oran ı yükseltilmeye çal ışı lm ıştı r. Ayrı ca uygun çimlenme koş ulları n ı n belirlenmesi için çal ış malar yap ı lm ışt ı r. Tohumlarda dormansinin k ı rı lmas ı için yap ı lan çal ış mada buzdolab ı nda ön ü ş ütme, gibberellik asit (2000 ppm) ve potasyum nitrat (2000 ppm) la muamele, tohum kabuklar ı n ı ç ı tlatma ve bunlar ı n kombinasyonlar ı uygulanm ıştı r. Uygun çimlenme koşulları n ı n belirlenmesi için yap ı lan çal ışmada tohumlar farkl ı s ı cakl ı klarda (15, 20, 20-30 °C) ve değ iş ik ortamlarda (karanl ı k, ayd ı nl ı k, dönü ş ümlü karanl ı k / ayd ı nl ı k) çimlendirilmi ştir. Çimlenme oranlar ı % 0-74 aras ı nda de ğ i ş mi ş . En yüksek çimlenme oran ı da + 4 °C s ı cakl ı kta buzdolab ı nda ön ü ş ütme yap ı lm ış tohumlara GA3 + çı tlatma muamelesi uyguland ı ktan sonra gece / gündüz ortamda 20-30 °C s ı cakl ı kta % 74 oran ı nda elde edilmiştir.Anahtar Kelimeler: Capparis ovata, gibberellik asit, potasyum nitrat, ç ı tlatma, ön ü ş ütme, ayd ı nl ı k, karanl ı k The Effects of Different Pre-treatments, Temperature and Photoperiod on Germination of Caper (Capparis ovata Desf.) SeedsAbstract: The objecive of the study was to increase germination rate of caper seeds with the treatment of various growth regulators and physical methods. In combination with these treatments, determination of optimum environment for the germination of caper seeds was also investigated. For the break down of the seed dormancy, prechilling in refrigerator, treatment with gibberellic acid (2000 ppm) and potassium nitrate (2000 ppm), scarification of seeds and combinations of these treatments were applied. In order to determine appropriate germination conditions, germination of caper seeds were tested at different temperatures (15, 20 and 20-30 uC) and photoperiods (dark, light and dark/light cycle). Germination rates of seeds varied between 0 and 74 %. The highest germination rate with 74 % were obtained from the combination of prechillihg at 4°C in refrigerator, 2000 ppm GA3, seed scarification and 20-30° C dark/light treatments.
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