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Response of Exotic Invasive Weed Alternanthera philoxeroides to Environmental Factors and Its Competition with Rice
Alternanthera philoxeroides hydrophytic type environmental factor rice viability
2008/12/11
A greenhouse experiment was conducted to determine the influence of the environmental factors such as low-temperature, drought stress, salt-alkali and flooding on the survival rate, propagation rate, ...
为明确环境因子对水生生物型空心莲子草生活力的影响以及空心莲子草与水稻的竞争关系,采用生物测定方法,分析了低温、干燥、盐碱、水层等因子对空心莲子草茎的活棵率、繁殖茎数和植株生物量的影响,还研究了不同种群密度的空心莲子草对水稻产量性状的影响。 空心莲子草茎在4℃低温随后常温处理的活棵率达84%,而在-20℃随后常温处理后完全失去生活力;在含水量为30.2%时,空心莲子草茎的活棵率、繁殖茎数和植株鲜质量...