Relationship between allelopathic effects of Bidens pilosa aqueous extracts and rainfall
1995
Zeng Rensen | Luo Shiming (South China Agricultural Univ., Guangzhou (China). Agroecology Laboratory)
The allelopathic effects of Bidens pilosa aqueous extracts in different months within a year on seed germination and seedling growth of radish, rice and cucumber were tested. The studies indicated that allelopathic effects of Bidens pilosa aqueous extracts in different months on seedling growth of the three receptor plants were variable. Such change exhibited significant negative correlation with the monthly rainfall before the harvest of plant materials. When rainfall of the previous month was high, the inhibitory effects was weak. When the rainfall was low, the inhibitory effect was strong
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