초록

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Abstract ▼ AI-Helper

A study was carried out to examine the effects of chlorine and hydrogen chloride gas with various concentrations (0.1, 0.25, 0.5 and $1.0\;g/m^3/hr)$ on rice and soybean plants. Symptoms, ratios of destroyed leaf, grain yield and chlorophyll contents in leaves were investigated. The resul...

A study was carried out to examine the effects of chlorine and hydrogen chloride gas with various concentrations (0.1, 0.25, 0.5 and $1.0\;g/m^3/hr)$ on rice and soybean plants. Symptoms, ratios of destroyed leaf, grain yield and chlorophyll contents in leaves were investigated. The results are as follows. 1) Hydrogen chloride gas damaged the margine parts of rice and soybean leaves, but chlorine appeared grayish subtle spots in whole parts of rice and soybean leaves. 2) Rice leaves showed higher damage ratio in hydrogen chloride fumigation than in soybean leaves, but less damage in chlorine. 3) Chlorophyll contents in rice leaves were higher in chlorine gas fumigated than hydrogen chloride fumigated. 4) The ratio of destroyed leaf was negatively correlated with chlorophyll contents.