%A YANG Ming-Zhi, ZHANG Han-Bo %T Physiological Responses of Gall Tissues on Ivy Tree Leaves Induced by Thrip %0 Journal Article %D 2010 %J Plant Diversity %R 10.3724/SP.J.1143.2010.09252 %P 339-346 %V 32 %N 4 %U {https://journal.kib.ac.cn/CN/abstract/article_32892.shtml} %8 2010-08-25 %X
In this research, tuberlike galls which induced by thrip on ivy tree leaves were chosen as materials, and the physiological responses as well as partitioning of mineral nutrition, soluble protein and saccharide contents in galled and ungalled tissues were assayed. Results indicated that compared to the ungalled tissues, galling tissues decreased in many physiological indexes including hydrogen peroxide concentration, Peroxidase and phenylnine amonialase activities and the contents of malondialdehyde. Galling tissues decreased in photosynthetic rate but increased in respiratory rate. Galling tissues acted as a nutritive sink that accumulate more nutrition than surrounding ungalled tissues. Phytohormones and insects extracts alone can not induce the formation of galls, but cytokinins such as kinetin, 6BA and Zeatin can induce responses which are similar to the earlier response of thrip feeding.