The plantlets grew much better in terms of root development; the root activities, photosynthesis, regulating stoma and transpiration of them were significantly enhanced.

• 主要表现在：植株健壮且根系发达，有大量的侧根形成；植株的根系活力、光合作用、调节气孔开闭和控制蒸腾速率等方面显著提高。