Effect of hypocotyl morphology on survival rate and growth of watermelon seedlings grafted on rootstocks with different emergence performance at various temperatures
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Tarih
2004
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info:eu-repo/semantics/openAccess
Özet
Bu çalışmada farklı anaçların ve karpuzun değişik sıcaklıklarda çıkış performansları ve hipokotil morfolojisinin aşı tutma oranına ve bitki gelişimine etkileri çalışılmıştır. Anaç olarak; Ç. moschata, C. maxima (Ancan), Strong Tosa (C. maxima x C. moschata), P360 (C. maxima x C. moschata), Luffa. cylindrica, Benincasa hispida, Lagenaria siceraria, Skopje ve 2 adet Lagenaria melezi kullanılırken, kalem olarak Crimson Tide karpuz çeşidi kullanılmıştır. Çıkış testleri 14 °C, 18 °C ve 25 °C'de bütün anaçlar ve kalem için yapılmıştır. Cucurbita grubuna giren anaçlar düşük sıcaklıklarda diğer anaçlardan ve kalemden daha iyi çıkış performansı göstermiştir. B. hispida, L cylindrica, diğer su kabağı anaçları ve Crimson Tide karpuz çeşidi çıkış göstermemiş ve yapılan incelemede tohumların çürümüş olduğu görülmüştür. Cucurbita grubu anaçlar, 18 °C'de de en erken çıkan anaçlar olurken, B. hispida ve L. cylindrica, en geç çıkan anaçlar olmuşlardır. 25 °C'de anaçlar ve kalem arasında çıkış bakımından önemli bir fark bulunmamıştır. B. hispida ve L. cylindrica en ince ve en kısa hipokotillere sahip olmuşlar ve bu özellikleri aşı yapımını güçleştirmiştir. Anaç ve kalemin arasındaki çap farkı büyüdükçe aşı tutma başarısı düşmektedir. Aynı zamanda aşı tutma oranı anaçlardan da önemli oranda etkilenmiştir. Hipokotillerdeki iletim demeti sayısı aşı tutma oranı üzerine etkili olmazken, bitki gelişimi üzerinde etkili olmuştur. Genel olarak bakıldığında Lagenaria cinsine giren anaçlar daha yüksek aşı tutma oranı göstermiştir. Cucurbita grubu anaçlarda kakma (koltuk) aşıda aşı tutma oranı İngiliz dilcikli aşıdan daha düşük bulunmuştur. Bütün aşı kombinasyonları CT/LCY hariç kontrol bitkilerinden daha yüksek biyomas değerlerine sahip olmuştur. Çalışma sonuçları göstermiştir ki karpuzda aşılama uygulamalarında anaçların özellikleri aşı tutumunu ve bitki gelişmesini etkilemektedir.
The emergence performance of different rootstocks and watermelon cultivars at different temperatures, and the effect of hypocotyl structure on grafting success and survival rate were investigated. Evaluated rootstocks were Cucurbits moschata (landrace), C. maxima (Ancan local cultivar). Strong Tosa (C. maxima x C. moschata), P360 (C. maxima x C. moschata), Luffa cylindrica, Benincasa hispida, Lagenaria siceraria (landrace), Skopje (Landrace), and 2 Lagenaria hybrids, 216 and FR Gold. The Crimson Tide watermelon cultivar was used as scion. Emergence tests at 14 °C, 18 °C and 25 °C were carried out for all rootstocks and scion seeds in a growth chamber. Cucurbita type rootstocks showed better emergence performance at low temperatures than did other rootstocks and scion. However, B. hispida, L cylindrica, Lagenaria type rootstocks and scion did not emerge at 14 °C and they were rotten. At 18 °C, the earliest emergence was recorded in Cucurbita type rootstocks while the latest emergence was observed in B. hispida and L cylindrica. Rootstocks and scion did not show any difference in emergence rate at 25 °C. B. hispida and L cylindrica had the thinnest and shortest hypocotyls which made grafting difficult. The survival rate of grafted plants was inversely correlated with the difference in diameters of scion and rootstock. At the same time survival rate was significantly affected by the rootstocks genotype. Rootstocks had different numbers of vascular bundles but the survival rate was not affected by the number of vascular bundles whereas the plant growth rate was positively affected. In general, Lagenaria type rootstocks had a higher survival rate than did other rootstocks. The hole insertion grafting technique had a significantly lower survival rate than did the approaching technique in Cucurbita type rootstocks. All graft combinations produced higher plant biomass than did the control plant, except for the L cylindrica. The study showed that rootstock influences survival rates and plant growth in the use of grafting applications in watermelon.
The emergence performance of different rootstocks and watermelon cultivars at different temperatures, and the effect of hypocotyl structure on grafting success and survival rate were investigated. Evaluated rootstocks were Cucurbits moschata (landrace), C. maxima (Ancan local cultivar). Strong Tosa (C. maxima x C. moschata), P360 (C. maxima x C. moschata), Luffa cylindrica, Benincasa hispida, Lagenaria siceraria (landrace), Skopje (Landrace), and 2 Lagenaria hybrids, 216 and FR Gold. The Crimson Tide watermelon cultivar was used as scion. Emergence tests at 14 °C, 18 °C and 25 °C were carried out for all rootstocks and scion seeds in a growth chamber. Cucurbita type rootstocks showed better emergence performance at low temperatures than did other rootstocks and scion. However, B. hispida, L cylindrica, Lagenaria type rootstocks and scion did not emerge at 14 °C and they were rotten. At 18 °C, the earliest emergence was recorded in Cucurbita type rootstocks while the latest emergence was observed in B. hispida and L cylindrica. Rootstocks and scion did not show any difference in emergence rate at 25 °C. B. hispida and L cylindrica had the thinnest and shortest hypocotyls which made grafting difficult. The survival rate of grafted plants was inversely correlated with the difference in diameters of scion and rootstock. At the same time survival rate was significantly affected by the rootstocks genotype. Rootstocks had different numbers of vascular bundles but the survival rate was not affected by the number of vascular bundles whereas the plant growth rate was positively affected. In general, Lagenaria type rootstocks had a higher survival rate than did other rootstocks. The hole insertion grafting technique had a significantly lower survival rate than did the approaching technique in Cucurbita type rootstocks. All graft combinations produced higher plant biomass than did the control plant, except for the L cylindrica. The study showed that rootstock influences survival rates and plant growth in the use of grafting applications in watermelon.
Açıklama
Anahtar Kelimeler
Orman Mühendisliği
Kaynak
Turkish Journal of Agriculture and Forestry
WoS Q Değeri
Scopus Q Değeri
Q1
Cilt
28
Sayı
4
