月季嫁接生理特性研究

Study on the physiological characteristics of Rosa chinensis grafting

为探究月季与不同砧木嫁接的亲和性差异,筛选较合适的嫁接砧木,以4种蔷薇、2种月季为试验材料,于嫁接成活后60 d,测定叶绿素、比叶重、可溶性蛋白、可溶性糖、脯氨酸、CAT、POD、SOD、MDA、PPO共10种生理指标。结果表明:1)不同砧木对植株叶绿素、比叶重、可溶性蛋白含量、脯氨酸含量、MDA含量、CAT、POD、PPO活性都有显著影响;嫁接在适宜的砧木上能提高月季营养物质的积累,增强月季抗性。2)综合各项指标显示,以紫蕾香水月季为砧木的花好月圆嫁接苗各项指标均表现优异,亲和性最好,可作为花好月圆嫁接优良砧木进行繁殖推广。

In order to explore the differences in compatibility between R.chinensis and different rootstocks,and to select suitable grafting rootstocks,this study took four species of Rosa and two species of R.chinensis as experimental material.After 60 days of grafting,10 physiological indicators,including chlorophyll,specific leaf weight,soluble protein,soluble sugar,proline,CAT,POD,SOD,MDA and PPO,were measured.The results showed that:1)Different rootstocks had a significant effect on the physiological indicators of plants such as specific leaf weight,chlorophyll,soluble protein contents,proline contents,MDA contents,CAT,POD and PPO activity.Grafting on suitable rootstocks can improve the accumulation of nutrients in R.chinensis and enhance the resistance.2)Comprehensive indicators showed that the R.chinensis'Huahao Yueyuan'grafted on R.odorata'Purple bud'rootstock performed the best in all aspect,had the best compatibility,and can be used as an excellent rootstock for propagation and promotion.