LIU Shu-wei,WANG Yan,HUANG Mian-jia,et al.Effect of Cephalosporins on Plasmalemma Permeability in Cut Rose[J].Northern Horticulture,2013,37(11):107-110.
头孢菌素处理对切花月季细胞膜透性的影响
- Title:
- Effect of Cephalosporins on Plasmalemma Permeability in Cut Rose
- 文章编号:
- 1001-0009(2013)11-0107-04
- 分类号:
- S 685.12
- 文献标志码:
- A
- 摘要:
- 以切花月季“卡罗拉”为试材,研究了不同浓度、不同代的头孢菌素类抗生素对切花月季细胞膜透性的影响,以期探讨切换月季切口处的菌类对头孢菌素的敏感情况,寻找新的杀菌剂和保鲜剂。结果表明:切花月季切口处的菌类对头孢菌素敏感,低浓度的头孢菌素处理能减缓或抑制切花叶片和花瓣细胞膜透性的增加速度;高浓度的头孢菌素在杀死切花切口处菌类的同时,也干扰了切花细胞壁的合成,导致切花提前凋谢。在促进切花叶片和花瓣细胞膜系统的稳定性方面,第3代头孢菌素优于第2代头孢菌素,第2代头孢菌素优于第1代头孢菌素,尤其是质量百分比为0.01%的第3代头孢菌素头孢曲松钠效果最突出,不仅促进了切花细胞膜系统的稳定性,而且对切花的瓶插寿命也延长了3 d。
- Abstract:
- Taking cut roses ‘Carola’ as materials,the effect of plasmalemma permeability using different concentrations and generations of cephalosporins were stuided,the purpose was to explore the sensitive situation of cut roses’incision fungi to the cephalosporin antibiotics,looking for a new fungicide and preservation.The results showed that the fungi of cut roses’ incision was sensitive to the cephalosporins,and low concentrations of cephalosporin treatment could delay or inhibit the increase in plasmalemma permeability of cut rose’s leaves and petals,high concentrations of cephalosporins killed the fungi of cut roses’ incision and also interfered with cell wall synthesis of cut roses,leading to cut flowers withered in advance;the third-generation cephalosporin was better than the second-generation cephalosporins in promoting leaves and petals’ plasmalemma system stability of cut roses,and the second generation cephalosporins was better than the first-generation,especially the mass percentage of 0.01%’s ceftriaxone sodium of third-generation cephalosporins,not only to promote the stability of plasmalemma system and extend the vase life of cut flowers for three days.
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备注/Memo
第一作者简介:刘书伟(1978-),男,河南平舆人,硕士,讲师,现主要从事园艺产品采后生理的教学与科研工作。E-mail:hnlsw@163.com.
基金项目:海南省三亚市院地科技合作资助项目(2012YD04)。
收稿日期:2013-01-16