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The results showed that the varieties with drought resistant had narrower leaf, higher chlorophyll content of leaf and more chaeta in up and down epidermal of leaf. 結果表明，在正常供水條件下，抗旱品種表現(xiàn)為葉片較窄，葉片葉綠素含量較高，葉片上下表皮剛毛較多；