Turgut YEŞİLOĞLU, Bilge YILMAZ, Berken ÇİMEN, Meral İNCESU

Influences of Rootstocks on Fruit Quality of ‘Henderson’ Grapefruit

Bu araştırmada, Yerli turunç (Citrus aurantium L. var. “Yerli”), Carrizo and Troyer sitranjları (Citrus sinensis Osb. x Poncirus trifoliata Raf. var. “Troyer” and “Carrizo”), Swingle sitrumelo (Citrus paradisi Macf. x Poncirus trifoliata Raf.), Volkameriana (Citrus volkameriana Tan. and Pasq.) gibi bazı önemli turunçgil anaçlarının Henderson altıntopunun meyve kalitesi üzerine etkileri incelenmiştir. Çalışma 2013 yılında Çukurova Üniversitesi Ziraat Fakültesi Bahçe Bitkileri Bölümünde 1997 yılında 8 x 8 m aralıklarla dikilmiş parselde yürütülmüştür. Değişik anaçların etkilerini görmek için meyve ağırlığı, meyve çapı, indeks, kabuk kalınlığı, meyve suyu, suda çüzünebilir kuru madde miktarı, titre edilebilir asit miktarı ve suda çözünebilir kuru madde /asit oranı incelenmiştir. En küçük meyve boyutu Troyer sitranjı anacı üzerine aşılı ağaçlardan elde edilirken diğer anaçlar üzerine aşılı olanların meyve boyutu aynı alt grupta bulunmuştur. Anaçlar toplam asit içeriğini önemli derecede etkilemiş ve en yüksek asit miktarı içeren meyveler Troyer sitranjı ve swingle sitrumelo anaçları üzerine aşılı olanlarda bulunmuştur. Ayrıca, toplam çözünebilir kuru madde üzerine de önemli bir anaç etkisi vardır ve en yüksek miktar Troyer sitranjı üzerine aşılı ağaçların meyvelerinden elde edilmiştir

Anahtar Kelimeler:

Turunçgil, anaç, Henderson, Altıntop, Meyve kalitesi

Influences of Rootstocks on Fruit Quality of ‘Henderson’ Grapefruit

In this study, the effects of some important citrus rootstocks such as local sour orange (Citrus aurantium L. var. “Yerli”), Carrizo and Troyer citranges (Citrus sinensis Osb. x Poncirus trifoliata Raf. var. “Troyer” and “Carrizo”), Swingle citrumelo (Citrus paradisi Macf. x Poncirus trifoliata Raf.), Volkameriana (Citrus volkameriana Tan. and Pasq.) on fruit quality of Henderson grapefruit were investigated. The experiment was conducted in 2013 at the Department of Horticulture, Faculty of Agriculture, University of Cukurova on the trees planted as 8 x 8 m in 1997. Fruit weight, diameter, index, rind thickness, juice content, total soluble solids, titratable citric acid, and TSS/TA ratio were determined in order to see the effects of various rootstocks. The smallest fruit size was obtained from the scion on Troyer citrange whereas fruit sizes of scion on the other rootstocks were in the same subset. Rootstock significantly affected total acid content and the highest total acid content of fruits was found with Troyer citrange and Swingle citrumelo. Also, there was a significant rootstock effect on total soluble solids, highest for fruits from the trees on Troyer citrange

Keywords:

Citrus, rootstocks, Henderson, grapefruit, fruit quality,

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