[1]练华山,廖明安,林立金.混种牛膝菊嫁接后代对树番茄幼苗镉积累的影响[J].北方园艺,2019,43(07):94-101.[doi:10.11937/bfyy.20183223]
　LIAN Huashan,LIAO Mingan,LIN Lijin.Effects of Intercropping With Post-Grafting Generations of Galinsoga parviflora on Cadmium Accumulation of Cyphomandra betacea Seedlings[J].Northern Horticulture,2019,43(07):94-101.[doi:10.11937/bfyy.20183223]

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混种牛膝菊嫁接后代对树番茄幼苗镉积累的影响

《北方园艺》[ISSN:1001-0009/CN:23-1247/S] 卷: 43卷期数: 2019年07 页码: 94-101 栏目: 出版日期: 2019-04-15

Title:: Effects of Intercropping With Post-Grafting Generations of Galinsoga parviflora on Cadmium Accumulation of Cyphomandra betacea Seedlings

作者:: 练华山1; 廖明安2; 林立金3; （1.成都农业科技职业学院园林园艺分院，四川成都 611130；2.四川农业大学园艺学院，四川成都 611130；3.四川农业大学果蔬研究所，四川成都 611130）

Author(s):: LIAN Huashan1; LIAO Ming′an2; LIN Lijin3; (1.Department of Landscape Gardening，Chengdu Agricultural College，Chengdu，Sichuan 611130；2.College of Horticulture，Sichuan Agricultural University，Chengdu，Sichuan 611130；3.Institute of Pomology and Olericulture，Sichuan Agricultural University，Chengdu，Sichuan 611130)

关键词:: 树番茄幼苗; 混种; 牛膝菊; 嫁接后代; 镉

Keywords:: Cyphomandra betacea seedlings; intercropping; Galinsoga parviflora; post-grafting generation; cadmium

DOI:: 10.11937/bfyy.20183223

文献标志码:: A

摘要:: 以树番茄幼苗和镉超富集植物牛膝菊嫁接后代（砧木：牛膝菊、豨莶、鬼针草和万寿菊，实生后代，依次记为：S_G、S_S、S_B、S_T及S_N）为材料，采用盆栽试验，将树番茄幼苗分别与牛膝菊不同砧木嫁接后代及其实生后代混种于镉污染的土壤上，研究了混种牛膝菊嫁接后代对树番茄幼苗镉积累的影响，以期筛选出既能有效促进树番茄幼苗生长又能降低其镉含量的混种模式。结果表明：与牛膝菊后代混种均显著提高了树番茄幼苗根系、茎秆、叶片的生物量及其光合色素含量。其中，混种SB对树番茄幼苗生长的促进作用最显著，其总生物量较树番茄幼苗单种提高了312.48%。对树番茄幼苗的镉含量而言，混种牛膝菊嫁接后代（S_G、S_S、S_B、S_T）使树番茄幼苗各器官的镉含量均显著低于其混种牛膝菊实生后代（S_N）及树番茄单种。混种SB使树番茄幼苗根系、茎秆、叶片的镉含量均达到最低，分别较单种降低了46.30%、36.68%和22.10%。对牛膝菊后代而言，S_N根及地上部分的生物量均显著高于其它牛膝菊嫁接后代，而SN各器官的镉含量在所有处理中均达到最低。因此，混种牛膝菊嫁接后代能够促进树番茄幼苗的生长，并降低树番茄的镉含量，其中以SB混种树番茄幼苗效果最佳。

Abstract:: In order to screen out the intercropping mode which could effectively promote the growth of Cyphomandra betacea seedlings and reduce its cadmium content under cadmium stress，the fruit tree C.betacea seedlings and cadmium hyperaccumualtor plant Galinsoga parviflora were used in the pot experiment，and the effects of intercropping with the post-grafting generations of Galinsoga parviflora (the rootstocks of G.parviflora，Siegesbeckia orientalis，Bidens pilosa and Tagetes erecta，and ungrafted，which marked as SG，SS，SB，ST and SN) on cadmium accumulation of Cyphomandra betacea seedlings were studied.The results showed that intercropping with generations of G. parviflora not only significantly increased the roots，stems and leaves biomasses of C.betacea seedlings，but also increased the photosynthetic pigment contents in that.Among them，intercropping with SB had the most significant effect on the growth of C.betacea seedlings，and the total biomass increased by 312.48%,compared with the monoculture.For the cadmium content in C.betacea seedlings，intercropping with post-grafting generations of G. parviflora (SG，SS，SB and ST) was significantly lower than those of intercropping with SN and the monoculture of C.betacea seedlings.Intercropping with SB had the lowest cadmium content in roots，stems and leaves of C.betacea seedlings，which decreased by 46.30%，36.68%，and 22.10%，respectively，compared with the monoculture.For the post generations of G.parviflora，the roots and shoots biomasses of SN were significantly higher than those of other post-grafting generations of G.parviflora，but the cadmium content in SN reached the lowest in all treatments.Therefore，intercropping with post-grafting generations of G.parviflora could promote the growth of C.betacea seedlings and decrease the cadmium content in C.betacea seedlings，and the best effect was SB intercropping with C.betacea seedlings.

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备注/Memo

第一作者简介：练华山（1979-），男，四川大竹人，本科，副教授，现主要从事蔬菜和花木的教学及科研等工作。E-mail：49939450@qq.com.责任作者：林立金（1980-），男，四川龙泉驿人，博士，副研究员，现主要从事果树生理生态等研究工作。E-mail：llj800924@163.com.基金项目：四川省教育厅资助项目（17ZB0342）收稿日期：2019-01-15

更新日期/Last Update: 2019-05-05