Study on the Changes of Macro-element Contents and Accumulation in Fruits of Newhall and Seike Navel OrangeChinese Full Text
XIE Fa1,2 PENG Liang-zhi1,3 CHUN Chang-pin1 JIANG Cai-lun1 CAO Li1 LING Li-li1(1 Citrus Research Institute,Southwest University,Chongqing,400712;2 College of Horticulture and Landscape,Southwest University;3 National Citrus Engineering Research Center)
Abstract: Changes of nutrient element contents and accumulations of N,P,K,Ca,Mg and S,in fruits of 30 years-old trees of Seike navel orange（Citrus sinensis Osbeck cv Seike） and Newhall navel orange（Citrus sinensis Osbeck cv Newhall）on trifoliate orange（Poncirus trifoliata（L.）Raf.） rootstocks were studied.Results showed that during the fruit development,N,P,Mg and S contents reached the highest levels in April in fruits of both Newhall and Seike.The peak K content appeared in Sept for Newhall navel orange and July for Seike navel orange.The peak Ca contents appeared in Oct for the two varieties.The main accumulation periods of N,P,K,Mg and S in fruits were from July to Sept.for Newhall navel orange,and from June to Aug.for Seike navel orange.The main accumulation period of Ca was from Aug.to Oct.for the two varieties.
- DOI：
10.13938/j.issn.1007-1431.2012.01.012
- Series：
- Subject：
- Classification Code：
S666.4
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