TY - JOUR TT - The Effect of Juglone (5-hydroxy-1,4-naphthalenedione) and Walnut Leaf Extract on Growth and Yield of Radish (Raphanus sativus L.) AU - Kaymak, Haluk Çağlar PY - 2018 DA - January DO - 10.17097/ataunizfd.358691 JF - Atatürk Üniversitesi Ziraat Fakültesi Dergisi PB - Atatürk Üniversitesi WT - DergiPark SN - 1300-9036 SP - 1 EP - 5 VL - 49 IS - 1 KW - Ceviz yaprağı ekstraktı KW - juglon KW - turp KW - verim N2 - The objective of this research was to determine the effect of juglon (5-hydroxy-1,4-naphthalenedione) and walnutleaf extract on growth and yield of radish (Raphanus sativus L.) during 2008-2009. In this study, two radish cultivar (Raphanussativus L. cvs. ‘Beyaz and Siyah’) were used as plant material and juglone (5-hydroxy-1,4-naphthalenedione) and leaf walnutextract were tested. Leaf number, root length, diameter and weight, dry matter content of roots and yield were investigated. It wasdetermined that walnut leaf extract and juglone affected negatively all examined parameters in radish. Moreover, cv. Beyaz wasless impressed than cv. Siyah from juglone and walnut leaf extract in other parameters except for dry matter content of root andthe leaf number. While the highest values were determined in cvs. Beyaz and Siyah in control in both experiment years, the lowestleaf number in cv. Beyaz in juglone in 2009, the lowest root length (6.6 cm) and diameter (5.9 cm) in walnut leaf extract in 2009,the lowest root weight (193.7 g) and yield (4.6 kg/plot) were determined in cv. Siyah in juglone in 2008. According to the resultsof this research, it can be said that both juglone (5-hydroxy-1,4-naphthalenedione) and walnut leaf extract have negative effect onyield and growth of radish. CR - Appleton B., Berrier R., Haris R., Alleman B., Swanson L., 2000. Trees for problem landscape sites-the walnut tree: Allelopathic effects and tolerant plants. 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Ege Üniversitesi Ziraat Fakültesi Bahçe Bitkileri Bölümü, Bornova-İzmir, 440s. UR - https://doi.org/10.17097/ataunizfd.358691 L1 - https://dergipark.org.tr/tr/download/article-file/402281 ER -