维生素（B_6，C，PP）对小麦生理特性及生长的影响

Effects of Three Vitamins on the Growth and Physiological Properties in Wheat

培养液中添加维生素能促进小麦生长，特别是生长前期的作用更明显，供试的三种维生素（Ｂ＿６，Ｃ，ＰＰ）中以维生素Ｂ＿６和维生素Ｃ的效果较好。维生素能促进小麦根系生长，提高根系活力，增强光合作用，加速氮素的吸收和同化，还能不同程度地提高小麦叶片及根系的内源激素（ＺＲ＿ｓ，ＩＡＡ，ＧＡ）的含量，而ＡＢＡ的含量却显著下降。

The solution culture experiment showed that the growth of wheat plants was increased by the vitaminsapplied to the cuIture solution,especially at the early stages,The root growth ,root activity,nitrogen uptake,nitrate reductase activity,nitrogen assimilation and photosynthesis were enhanced by vitamins. The vitaminshave some effects on the metabolism of phytohormone;