The accumulation of free proline in some major tree species growing in dry and hot river valley of Jinsha during both dry and rainy seasons has respectively been determined.

金沙江干热河谷地区的主要造林树种中，以马占相思、山毛豆、真珠相思、大叶相思、台湾相思、绢毛相思、坡柳在旱季游离脯氨酸累积较多；

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This paper is the report of the behaviour of free-proline accumulation in various drought-resistance types of soybean cultivars under water-stress and non-stress condition in various growing periods.

本文报道了不同抗旱类型大豆品种游离脯氨酸在水分亏缺和无亏缺条件下的不同生育期累积动态变化。

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With the increase of absorption ability in root and the decrease of water content in leaves, the accumulation of free proline rose sharply.

伴随着根吸收能力下降，叶片含水量的降低，游离脯氨酸积累急剧上升。

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