土壤理化性状与烟叶化学成分含量的典型相关分析
2014-10-21杨丽莉朱列书罗华元朱山董石飞闫辉朱海滨
杨丽莉 朱列书 罗华元 朱山 董石飞 闫辉 朱海滨
摘 要:采用典型相关分析方法研究了土壤理化性状与烟叶主要化学成分含量的关系。结果表明:土壤速效钾和有效镁含量与烤后上部和中部烟叶中钾、总糖和氯含量关系密切,在一定范围内,土壤有效镁含量与上部和中部烟叶中钾、总糖和氯含量呈显著负相关,土壤速效钾含量与上部和中部烟叶中钾、总糖和氯含量呈显著正相关;在一定范围内,土壤pH值与中部烟叶中总糖、氯以及钾含量呈显著负相关。
关键词:土壤理化性状;烟叶;化学成分;典型相关分析
中图分类号:S572文献标识码:A 文章编号:1006-060X(2014)02-0049-03
Analysis of Canonical Correlation between the Soil Physiochemical Characteristics and the Contents of Chemical Compositions in Flue-cured Tobacco Leaf
YANG Li-li1,2, ZHU Lie-shu1, LUO Hua-yuan2, ZHU Shan3, DONG Shi-fei2, YAN Hui4, ZHU Hai-bin2
(1. College of Agriculture, HNAU, Changsha 410128, PRC; 2. Hongyunhonghe Tobacco (Group) Co., Ltd., Kunming, 650231, PRC; 3. Yiliang Branch of Yunnan Tobacco Company, Yiliang 652100, PRC; 4. Institute of Agricultural Environment and Resources, Yunnan Academy of Agricultural Sciences, Kunming 650205, PRC)
Abstract: Canonical correlation analysis was done on the relations between the soil physiochemical characteristics and the contents of chemical compositions in flue-cured tobacco leaf. The results showed that within a certain range, the content of soil available magnesium was highly negatively correlated with the contents of potassium, and the content of soil available potassium was highly positively correlated with the contents of potassium, total sugar and chlorine in upper and middle flue-cured tobacco leaves; the soil pH value was highly negatively correlated with the contents of potassium, total sugar and chlorine in middle flue-cured tobacco leaves.
Key words: soil physiochemical characteristics; tobacco leaf; chemical composition; canonical correlation analysis
土壤是形成烟叶质量的主要影响因素之一,适宜的土壤理化性状指标是生产优质烤烟的重要基础[1-4]。烟叶化学成分是决定烟叶外观、内在质量的关键因素[5]。试验通过对红云红河集团主要原料基地土壤和烟叶样品数据的典型相关分析,系统地研究了土壤理化性状与烟叶化学成分含量之间的关系,旨在为优质烟叶原料的生产提供依据。
1 材料与方法
1.1 样品的采集
供试品种为红花大金元,全部518个烟样在昆明、保山、曲靖3市20个基地县内采集。按照“GB 2635-92烤烟标准”选取B2F、C3F两个等级每个样品3 kg。对应的土样选在施用底肥前采集。烟叶和土样各取259个。
1.2 樣品的测定
1.2.1 土壤理化性状指标 pH值、碱解氮、速效磷、速效钾、有机质、有效硼、有效镁、水溶性氯等8项,具体测定方法参照文献[6]进行。
1.2.2 烟叶化学成分指标 烟碱、总氮、钾、总糖、还原糖、淀粉、石油醚提取物、氯等8项,各指标具体测定方法见文献[7]。……
