...树幼苗; 化感作用; 根系生理; 根系形态 [gap=1923]Key words: Phenolic acids; poplar cuttings; allelopathy; root physiology; root morphology ...
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The contemporary variety decline range was the smallest and suffered from less damages, and the 1960s variety were the most; Change range of the new leaves was larger than the old leaves. Root physiology response was different from top.
当代玉米杂交种较早期杂交种下降幅度小,危害程度小;正在生长的新叶较老叶的变化幅度大,受危害程度大;根系生理反应与地上部有所不同,根系较叶片可溶性蛋白含量下降幅度大,敏感指数高。
参考来源 - 干旱对我国不同年代玉米杂交种苗期生理特性的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
在不供应和补充供应水、氮条件下，研究了限制根系生长空间对玉米根系生理特性、植株养分吸收及产量的影响。
The influence of root growing space of maize upon root physiological characteristics, nutrient uptake and crop yields were studied under conditions with and without supply of water and n.
较少或过多施用氮素降低了秧苗根系活力和保护酶活性，影响秧苗生长和生理优势。
Little or excessive nitrogen fertilizer application decreased roots vigor and protection enzyme activity and reduced growth and physiology superiorities of dry seedbed seedlings.
温度和植物生长调节剂等都能对根系生长发育和生理活性产生一定影响。
Temperature and plant growth mediation agent could have certain impact on the root growth and physiological activity.
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