The Anatomical Observation of Different Root Stock of Healing Process on the Grafted Cucumber/Pumpkin(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Title:: The Anatomical Observation of Different Root Stock of Healing Process on the Grafted Cucumber/Pumpkin

Author(s):: YANG Huan-huan; LI Jing-fu; College of Horticulture，Northeast Agricultural University，Harbin，Heilongjiang 150030

Keywords:: cucumber; pumpkin; scion; stock; grafting; profile structure; the healing process

Abstract:: By using three different pumpkin varieties (‘Jinzuanwang’，‘Qingyan No.1’，‘Jingxin No.5’) as root stock respectively，series of ‘Jinyou No.35’ cucumber as scion，and cucumber plant as control,the anatomical structure of healing process of different varieties of cucumber were observed，and the changes of physiological mechanism in grafting seedling stage were discussed.The results showed that，with different varieties，there were different germination rate and the different development of seedling root stock:‘Jinzuanwang’>‘Qingyan No.1’ >‘ Jingxin No.5’;with different varieties，there were different stock index，which combined the root stock and the scion stem diameter，cucumber，leaf number，root number，and the high of breeding:‘Jinzuanwang’>‘Qingyan No.1’>‘Jingxin No.5’;according to the different varieties of the stock，the observation of the anatomic structure indicated:in the third day isolation layer formed，the sixth day callus formated，and the ninth day callus area increased，the twelve day the formation of procambium conducting tissue established;And healing effect order was ‘Jinzuanwang’>‘Qingyan No.1’>‘Jingxin No.5’.

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Last Update: 2014-08-11