Pear Leaf Damages Occurred in the Fields Near a Iodine Refinery
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概要
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It was considered that the leaf damage observed on pear leaves was caused by iodine emitted from a iodine refinery. Therefore, we have confirmed this by exposing pear plants to artificially emitted iodine gas in a chamber. The characteristics of iodine gas sorption by pear leaves were also clarified. Experimental results are obtained as follows:<BR>(1) The main observable damage was brown spots on leaves. Furthermore, the injured leaves became yellow or orange-color, and finally fell down at early growth stage.<BR>(2) The extent of leaf damage differed depending on pear cultivars: Kosui and Hakko were sensitive, while Chojuro was resistant.<BR>(3) Gas sorption rate of iodine by pear leaves was constant at the constant concentration of iodine gas, and that rate was increased along-with the increase of iodine gas concentration.
- 社団法人 大気環境学会の論文
社団法人 大気環境学会 | 論文
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