夏茶期根外喷施尿素对绿茶品质的改善

• 作 者: 和田光正 冈田文雄 谭云瑞
• 出 处: 茶叶
• 发表日期: 1983年01期
• 关键词: 尿素 根外喷施 早生品种 绿茶品质 糖酯 夏茶 茶品质 茶树 绿茶 老化速度

改善夏季绿茶的品质,以往有在早生品种中实行覆盖和根外喷施尿素的方法,尤以根外喷施效果较好,可是,单用尿素喷施时,茶树叶色显深绿。从近代应用糖酯(SE)改善食品色泽得到启示,于尿素中添加糖酯进行试验,喷施后叶色呈鲜绿,新梢老化速度减慢,成茶品质比单施尿素提高。现摘要报导如下:

Improve the quality of summer green tea, in the past there are early varieties in the implementation of coverage and spraying urea outside the root method, especially in the root spraying good effect, however, when sprayed with urea alone, the tea tree was dark green color. From the modern application of sugar esters (SE) to improve food color enlightenment, adding sugar ester in urea test, after spraying leaf color was fresh green, shoots slowed down aging, tea quality than urea alone. The summary is as follows: