水分胁迫对苹果梨叶片可溶性糖、脯氨酸含量的影响

Effect of water stress on soluble sugar and proline in Apple-pear was studied. Soluble sugar tended to increase by water stress and the increase order was severe>moderate>mild water stress in Apple-pear under pot cultivation, As the water stress prolonged ,content of soluble sugar increased primarily and decreased After recovering water ,all recovered the normal state. Content of proline was sensitive to drought on the leaves of Apple-pear. The sensitive period of field Apple-pear and Apple-pear under pot cultivation was respectively about 28d and 11d.