摘要
为探讨利用不同栽培方式最大化实现水生美人蕉植株不同功能,以水生美人蕉为栽培对象,以模拟其原位生长环境条件为对照,设置对照、土壤+营养液、土壤+水、基质+营养液、基质+水、营养液和水7种不同栽培方式,采用种子发芽育苗的方式育苗,人工栽培管理6个月,调查植株营养器官(株高、根长、分蘖数、最高分蘖叶片数)生长状况、繁殖器官(花序数、花序观赏期、成熟蒴果数和种子数)生长状况和不同器官生物量(总生物量、地上部器官生物量、地下部器官生物量和繁殖器官生物量)累积分配规律。调查数据显示,上述所有数据在营养液栽培条件下均达到最大/高值,在基质+营养液栽培条件下为次最大/高值,在水栽培条件下均降低/减少到最低/小值,美人蕉植株长势最弱,甚至后期出现茎尖生长点坏死的现象。与对照中的美人蕉植株相比,营养液栽培条件下上述所有调查数据均显著增大/高,而水栽培条件下上述所有调查数据显著降低/减少。研究结果证明,营养液栽培方式既满足了水生美人蕉植株适合水培的自然属性,又提供了总量充足且各组分比例均衡的养分元素,最适合水生美人蕉植株的生长发育,是未来水生美人蕉作为鲜切花和盆花栽培的首选栽培方式。
The paper aims to explore the possibility of maximizing various functions of Canna glauca by different cultivation methods.This study took C.glauca as the research object and simulated a growth environment similar to in situ as the control,established seven different cultivation methods including control,soil+nutrient solution,soil+water,substrate+nutrient solution,substrate+water,nutrient solution,and water.Seedlings were prepared by seed germination method,and were cultivated and managed artificially for 6 months.Plant vegetative growth(plant height,root length,tiller number,and leaf number of the highest tiller),reproductive growth(inflorescence number,ornamental period of inflorescence,numbers of mature capsule and seed),and the accumulation and allocation patterns of primary production among different plant organs(total plant production,aboveground production,underground production,production of reproductive organs)were investigated.The investigated data showed that all the data mentioned above reached their maximum or highest value with the cultivation method of nutrient solution,respectively reached their secondary maximum or highest value with the cultivation method of substrate+nutrient solution,and all respectively decreased to their minimum or lowest value with the cultivation method of water,in which the growth of C.glauca was the weakest and even the phenomenon of necrosis of growth points at the stem tip occurred in the later experimental stage.The results of data analyses showed that all the investigated data mentioned above increased and reached the significant level with the cultivation method of nutrient solution and decreased and reached the statistically significant level with the cultivation method of water than those in control.This study demonstrates that the cultivation method of nutrient solution not only satisfies the hydroponic nature of C.glauca,but also provides all the sufficient and balanced nutrient elements,which is most suitable for the growth of C.glauca.It is the preferred cultivation method for C.glauca as fresh cut flowers and potted flowers in the future.
作者
高娣
刘宪斌
周玦玎
彭鑫鑫
刘桥刚
GAO Di;LIU Xianbin;ZHOU Jueding;PENG Xinxin;LIU Qiaogang(School of Chemistry,Biology and Environment,Yuxi Normal University,Yuxi,Yunnan 653100)
出处
《中国农学通报》
2024年第28期57-66,共10页
Chinese Agricultural Science Bulletin
基金
云南省科技厅科技计划项目基础研究计划“全球气候变化背景下云南亚热带常绿阔叶林地表植被多样性维持机制研究”(202301BA070001-087)
云南省教育厅大学生创新创业训练计划项目“无土栽培条件下增加洋甘菊花梗长度的研究”(202111390011)。
