Both low and high concentration of root exudates all promated shoot length and stem diameter of eggplant, and restrained side root number and ratio of root to plant of eggplant.

• “陕椒2006”的低浓度和高浓度根系分泌物，均对茄子的芽长和茎粗生长有促进作用，对其侧根数和根冠比有降低作用。