ZHANG Tianyao,ZHENG Shuyuan,LI Wenxiang,et al.Effects of ACC-deaminase Containing Plant Growth Promoting Rhizobacteria (PGPR) on the Growth and Physiological Property of Oriental Lily ‘Siberia’[J].Northern Horticulture,2021,(23):70-76.[doi:10.11937/bfyy.20212362]
含ACC脱氨酶的PGPR对百合‘Siberia’生长及生理特性的影响
- Title:
- Effects of ACC-deaminase Containing Plant Growth Promoting Rhizobacteria (PGPR) on the Growth and Physiological Property of Oriental Lily ‘Siberia’
- 关键词:
- 植物根际促生菌; ACC脱氨酶; 百合‘Siberia’; 形态指标; 生理指标
- Keywords:
- plant growth promoting rhizobacteria; ACC-deaminase; lily ‘Siberia’; morphological indices; physiological indices
- 文献标志码:
- A
- 摘要:
- 以东方百合‘Siberia’为试材，在其栽培过程中施入鞘氨醇杆菌属（SN-2）、不动杆菌属（BG）、不动杆菌属（XG）、金黄杆菌属（F）4株含ACC脱氨酶的植物根际促生菌及上述菌株混合液，以清水为对照，测定其株高、叶绿素相对含量、茎粗、花期及花苞数等指标，探讨含ACC脱氨酶的PGPR对东方百合‘Siberia’生长的影响，以期为菌肥的合理施用和开发提供参考依据。结果表明：BG菌株对株高的促进作用最大，比对照高1027%；F菌株对整株花期的延长作用最大，比对照高570%；SN-2菌株对单朵花期延长效果最佳，比对照高1470%；XG菌株对减少乙烯释放量的效果最佳，比对照低2963%；同时发现4株混合菌液对提高种球采收品质均有一定促进作用，其鲜质量、周径及根长分别比对照高5444%、2509%和4879%。综合比较来看，BG菌株对‘Siberia’的促生效果最佳。
- Abstract:
- The oriental lily ‘Siberia’ was used as the experimental material,and four different strains of ACC-deaminase containing plant growth promoting rhizobacteria (PGPR),including sphingobacterium （SN-2）,acine to bacter bacteria （BG）,acinetobacter bacteria （XG）,chryseobacterium （F） and a mixture of the above-mentioned strains were fertilized separately in its cultivation while using water as control （CK）.Some indices of lily,including plant height,relative chlorophyll content,stem diameter,flowering period and number of flower buds etc.,were investigated in order to explore the effects of different ACC-deaminase containing PGPR strains on its growth and physiological property,it provides theoretical support for the rational application and development of strains fertilizer.The results showed that BG strain was the best among them in the plant height,which was 1027% higher than CK.F strain had the best effect on prolonging the flowering period of whole plant,which was 570% higher than CK.SN-2 strain had the best effect on prolonging the flowering period of single flower,which was 1470% higher than CK.XG strain had the best effect on reducing the amount of ethylene biosynthesis,which was 2963% lower than CK.The mixed bacterial liquid of four strains had some promoting effects on the quality of harvesting bulblets,including the fresh weight,circumference and root length,which were respectively 5444%,2509% and 4879% higher than CK.Based on the comprehensive and comparative,analysis,BG strain performed the best among all tested strains in the growth of orientallily ‘Siberia’.
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备注/Memo
第一作者简介：张天谣（1995-），女，硕士研究生，研究方向为园林植物资源及应用。E-mail：953652099@qq.com.责任作者：黄美娟（1972-），女，博士，教授，现主要从事园林植物资源及应用等研究工作。E-mail:xmhhq2001@163.com.基金项目：国家重点研发计划资助项目(2019YFD1001002)；国家自然科学基金资助项目（31760001）；国家林业和草原局推广资助项目（2020133126）；云南省自然科学基金资助项目(2011FB067)；云南省花产办资助项目(215308)；云南省高校园林植物与观赏园艺科技创新团队资助项目(51700204)；云南省中青年学术和技术带头人培养资助项目(2015HB-046,2018HB024)。收稿日期：2021-06-03