摘要
具化感作用的作物其种植密度会影响杂草的种群动态.本研究应用数学模型作为分析问题的工具,对作物化感作用下杂草种群动态进行了模型分析和计算机模拟,结果表明,当作物的种植密度较大时,杂草的种群动态数量可以得到有效的控制;而当作物种植密度低于一定数量时,其化感作用对杂草的种群动态数量影响不大.
The density of allelopathic crops can affect population dynamics of weeds. This study considered crop allelopathy factor into Logistic model to simulate such density-related interactions. Simulating results showed that at high crop densities, weed population could be effectively controlled, whereas as crop density was lower, there was no obvious effects on weed population dynamics. Its implication in field weeds management was also discussed.
出处
《生物数学学报》
CSCD
北大核心
2007年第3期565-568,共4页
Journal of Biomathematics
关键词
化感作用
化感物质
模型
计算机模拟
Allelopathy
Allelochemical
Competition
Density-dependent interference
Weeds management
