Grey Disorder in Field Flue-Cured TobaccoEnglish Full Text
ZHANG XIN;ZHAO QIBO;YU HUIMEI;CAO ZHIHONG(1Institute of Soil Science, the Chinese Academy of Sciences, Nanjing 210008 (China))(2Jiangsu Provincial Tobacco Company, Nanjing 210O29 (China))
Abstract: A field study was carried out on the grey disorder in fine-cured tobacco （Nicotiana tabacum L.） leaves.The results showed that low Eh and high available Fe content in the soils were responsible for the grey tobaccoand dead roots. Grey disorder leaves produced low quality lamina, which was low in N, nicotine, reducedsugar and K contents. In this study’ soil available Mn and leaf Mn contents were in a relatively low level andshould not be an important factor in the occurrence of grey disorder in fine-cured tobacco.
- Series：
(D) Agriculture
- Subject：
Plant Protection
- Classification Code：
S435.72
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