Nitrogen significantly affects chlorophyll content, photosynthetic rate and chlorophyll fluorescence of the leaves of maize seedlings.
不同供氮水平对玉米幼苗叶片的叶绿素含量、光合速率及叶绿素荧光特性等有着显著影响。
Treatment with Tween-80 (concentration 0.02-2%) of leaves of maize seedlings induced obvious changes of stomatal movement and transpiration.
吐温- 80(浓度0.02 ~ 2%)处理后，引起玉米苗气孔运动及蒸腾作用的显著变化。
LaCl3 had some effects on the contents of MDA and praline and the protective enzyme activities of POD and CAT in the leaves of maize seedlings under Hg stress.
得出结论，LaCl3对Hg胁迫下玉米幼苗叶片mda和脯氨酸含量以及保护酶POD和CAT的活性产生了一定的影响。
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