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首页> 外文期刊>日本作物學會紀事 >Physiological studies on the poisonous action of 2.4-D on plants. : I. On the synergisme of 2.4-D and potassium chlorate for killing weeds.
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Physiological studies on the poisonous action of 2.4-D on plants. : I. On the synergisme of 2.4-D and potassium chlorate for killing weeds.

机译：2.4-D在植物中有毒作用的生理研究。 ：I.关于2.4-D和氯酸钾的协同作用杀死杂草。

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In the present experiments, we studied the poisonous actions of 2.4-D on Jerusalem Artichoke and the synergisme by means of the mixed application and the continued spread of 2.4-D and KC1O3. The single application of 2.4-D as a spray to the foliage of the growing plant induces the following physiological changes within it. (1) The transpiration activity is accelerated soon after the application of the herbicide. (2) The assimilation intensity is reduced. (3) The cell-sap concentration, however, tends lower. (4) The vitamine C contents are much reduced. (5) The resistance to the toxic action of KClO3 of the foliage sprayed with 2.4-D a few days before gets obviously stronger. This is ascribed to, according to Yamasaki's hypothesis on the harmful effect of KClO3 upon the plants, that the sprayed foliage with 2.4-D is poor in reducing matters which reduce KClO3 to KClO, the harmful substance to the plant. The mixed application as a spray of two kinds of herbicides noted above resulted in much quick killing of the plants when compared with the single application of each chemical, thus the "synergisme" being clearly demonstrated. This is partly due to, it is supposed, that 2.4-D injures the upper parts of the sprayed plants, whereas KClO3 kills the lower parts.
机译：在本实验中，我们通过混合应用和持续的2.4-D和KC1O3的持续扩散研究了2.4-D对耶路撒冷朝鲜蓟的有毒作用和协同效应。 2.4-D作为喷雾到生长植物的叶子的单一应用诱导其内部的病态变化。 （1）在施用除草剂后，蒸腾活性很快就会加速。 （2）减少同化强度。 （3）细胞 - SAP浓度趋于较低。 （4）维生素C含量大大降低。 （5）几天后叶子的KCLO3的毒性作用的抵抗力明显更强。根据Yamasaki对植物KCLO3对植物的有害影响的假设，这是归因于KCLO3的有害影响，在减少减少KCLO3至KCLO的物质，植物有害物质的物质差，喷射的叶子差。与每种化学物质的单一应用相比，混合施用作为上述两种除草剂的喷雾导致植物的快速杀死，从而清楚地证明了“协同机构”。这部分原因是，应该是假设的2.4-D损伤喷涂植物的上部，而Kclo3杀死下部。

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