Abstract:

Allelopathy of water extracts from seeds of Althaea rosea on watermelon and Chinese wolfberry were examined, with the objective of providing the reference for the theoretical study of allelopathy. By using the techniques of laboratory bioassay, the effects of water extracts from seeds of Althaea rosea on seeds germination and seedlings growth of watermelon and Chinese wolfberry were studied. The results showed that treated with different concentrations water extracts from seeds of Althaea rosea on seeds germination and seedlings growth of watermelon could be inhibited, and on height, fresh weigh of Chinese wolfberry could be promoted; When the concentration of water extracts was 0.005 g/mL, 0.010 g/mL, the water extracts from seeds of Althaea rosea exhibited significant promotion effects on seeds germination and seedlings growth of Chinese wolfberry, and when the concentration of water extracts was 0.020 g/mL, the water extracts from seeds of Althaea rosea exhibited significant inhibition effects on germination of seed, length of main root and fresh weight of root of Chinese wolfberry.