Studies on the Feeding Habits of Lygus disponsi LINNAVUORI(Hemiptera : Miridae) and the Injury to Its Host Plant : V. Phenolic Compounds, Acid Phosphatase and Oxidative Enzymes in Artificially Injured Tissue of the Sugar Beet Leaf

概要

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Changes of some enzyme activties in the tissue of sugar beet leaf were assayed periodically following artificial damage to the leaf. The peroxidase activity decreased during the first day after damage, increased until the 3rd day to an activity exceeding that level detected in the control, and then decreased again until the 7th day although still higher than the control. The same level of activity was maintained until the 14th day. The polyphenoloxidase activity also decreased during the first day following damage, but was restored to the level of the control by the 7th day. The acid phosphatase activity dropped during the first day following damage, then increased to a level exceeding that of the control up to the 7th day whereupon it fell again until the 14th day to a level below that of the control. The amount of phenolic compounds did not change during the first day following damage, but displayed a subsequent increase until the 14th day. The physiology of sugar beet leaf injury is discussed with respect to differences in tissue enzyme activities resulting from artificially induced injuries and those caused by Lygus disponsi LINNAVUORI.
日本応用動物昆虫学会の論文
1974-12-25