喷施亚硫酸氢钠对香悦葡萄植株生长及光合速率的影响

为探讨香悦葡萄栽培技术，对叶面喷施不同浓度的NaHSO3溶液，结果表明：100mg/L、200mg/L、300mg/L、400mg/LNaHSO3处理均可提高叶片叶绿素含量，亚硫酸氢钠浓度越高，叶片叶绿素含量越高；200mg/L、300mg/LNaHSO3处理较利于提高叶片叶片净光和速率，而400mg/L则使净光和速率有所下降；喷施NaHSO3后，所有处理植株生长均起促进作用。因此，总体上以300mg/LNaHSO3浓度处理效果最好，有利于促进葡萄植株生理代谢过程，促进植株的生长发育。

The Effect of Spraying Sodium Bisulfite Solution on the growth and Photosynthetic Rate of ＂Xiangyue＂Grape

In order to investigate cultivation technology of Xiangyue grape, different concentration NariSO3 solution were used to spray on the leaf surface, the results indicated that chlorophyll content of leaf treated by 100 mg/L,200 mg/L,300 mg/L,400 mg/L NaHSO3 solution were improved respectively, and was positively proportional to Nal-ISO3 concentration, net photosynthetic rate of leaf treated by 200mg/L and 300mg/L NariSO3 were increased, but 400 mg/L NariSO3 showed a contrary tendency, spraying NariSO3 solution all could promote the growth of grape.Therefore, the effect was the best when the concentration of NariSO3 solution is 300 mg/L, it was beneficial to promote physiological metabolism and growth of grape.