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砧木種類對桶柑植株生長、產量與品質的影響 Taiwan Agricultural Research Institute
黃阿賢; 洪士程; A-Shiarn Hwang; Shih-Cheng Hung.
[[abstract]]桶柑嫁接於7種砧木定植於苗栗獅潭,調查砧木種類對植株生長、產量與果實品質的影響。定植後4至5年間有40.0%酸橙砧與5.6%柚砧植株因衰弱而淘汰,第7年檢定萎縮病 (tristeza),結果顯示以酸橙或柚作為砧木的植株為感病,但柚砧者較耐病,其他5 種類包括酸橘、美女橘、粗皮檸檬、Troyer 枳橙及Swingle 枳柚作為桶柑砧木,無論感染與否,外觀均無顯著差異,應屬於耐病或抗病。定植後第5至第10年之產量,Troyer 枳橙砧者最高,其次為美女橘與粗皮檸檬,Swingle枳柚與酸橙又次之,酸橘及柚最低。比較第8 至第10 年間之果實品質,處理間主要差異為,粗皮檸檬砧之果汁率、可溶性固形物含量及含酸量均最低,3年中分別有2年達顯著差異。品質特性之主要項目在其他6種砧木間之差異較小,其高低在各年之間也不一致。 Tankan tangors grafted on seven rootstocks were planted in an orchard located in Miaoli County. The effects of rootstocks on tree growth, yield and fruit quality were investigated. 40% of the trees grafted on sour orange and 5.6% of trees on pummelo declined during the fourth and fifth year after planting. Plants were indexed for tristeza by RT-PCR in the seventh year. The results showed...
Palavras-chave: 桶柑; 砧木; 產量; 果實品質; 萎縮病 Tankan; Rootstock; Yield; Fruit quality; Tristeza [[classification]]30.
Ano: 2010
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酪梨耐根腐病砧木之無性繁殖 Taiwan Agricultural Research Institute
鍾志明; T. M. Jong.
[[abstract]]本文比較‘Duke 7’、‘Duke 6’、‘G6’、‘G22’,等酪梨病砧木品系繁殖的方法,包括砧木品系接穗嫁接於實生砧之成活率、其接穗萌發之枝條白化處理後之存活率、白化存活枝條經環狀剝皮處理及高壓後生根率等。結果顯示參試品系中以‘Duke 7’接穗之嫁接成活率最高,達71.0%。萌發枝條白化處理後之存活率以‘Duke 7’的最高,達50%。已白化存活枝條經環狀剝度處理及高壓後,‘Duke 7’與‘G6’的生根率達50%,‘G22’的則為0%。利用此方法,通常高壓後六個月內‘Duke 7’及‘G6’之接穗萌發枝條於靠近接合部之莖表面可有不定根之形成。再六個月後可切離原植株得長根新植株,將其盆栽於介質後可成活。參試品系中以‘Duke 7’之繁殖效率較佳,達17.8%。 In this report, methods of propagating resistant varieties, including ‘Duke 7’, ‘Duke 6’, and ‘G22’, was compared. Among the scions of ‘Duke 7’, ‘Duke 6’, ‘G6’ and ‘G22’, grafted to seedling stocks from unkown parents, scions of ‘Duke 7’ had highest percent of successful graft unions of 71.0%. After etiolated growing shoots had 50% survival in ‘Duke 7’ Among air layerd shoots, which had been etiolated and...
Palavras-chave: 酪梨; 砧木; 根腐病; 繁殖 Avocado; Rootstock; Propagation; Persea americana; Phytophthora cinnamomi [[classification]]14.
Ano: 1993
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