Rice seeds were soaked with different concentration (200, 500, 800, 1000 mg/L) of choline chlo ride. The main results were as follows: Contents of endogenous hormone indole acetic acid (IAA), gibberelin (GA3), Zeatin ...Rice seeds were soaked with different concentration (200, 500, 800, 1000 mg/L) of choline chlo ride. The main results were as follows: Contents of endogenous hormone indole acetic acid (IAA), gibberelin (GA3), Zeatin in root and top of the rice seedling was increaed obviously, but abscisic acid (ABA) was not changed; Contents of soluble sugar and amino acid was increased; Germination of seeds and growth of seedling was promoted. Rice yield was increased by spraying choline chloride at filling stage.展开更多
文摘Rice seeds were soaked with different concentration (200, 500, 800, 1000 mg/L) of choline chlo ride. The main results were as follows: Contents of endogenous hormone indole acetic acid (IAA), gibberelin (GA3), Zeatin in root and top of the rice seedling was increaed obviously, but abscisic acid (ABA) was not changed; Contents of soluble sugar and amino acid was increased; Germination of seeds and growth of seedling was promoted. Rice yield was increased by spraying choline chloride at filling stage.
