城市化对紫茎泽兰生长及化学防御的影响

doi:10.19754/j.nyyjs.202406150001

摘要/Abstract

摘要： 化学防御在入侵植物的生长和扩散中具有重要意义，为分析城市化对紫茎泽兰(Ageratina adenophora) 生长和化学防御的影响，以及探讨紫茎泽兰在城市生境中的适应机制，为其防治提供理论依据，在昆明市农村和城市地区各选4个生境，测定紫茎泽兰生长和化学防御相关指标。城市紫茎泽兰生物量较高，化学防御物质含量较低，农村紫茎泽兰生物量较低，化学防御物质含量较高；紫茎泽兰表现出对城市生境较好的适应；城乡生境间紫茎泽兰的生物量等生长特征出现了显著变异，城市生境中的变异系数大于农村。主成分分析表明，城乡生境间植株生长与防御性状出现分化，与第一主成分相关性最高的是生长性状，与第二主成分相关性最高的是防御性状。相对于农村，城市中的紫茎泽兰生物量增加，但化学防御物质投入降低，而农村中的紫茎泽兰则降低生物量，加大化学防御，城乡紫茎泽兰在生长和化学防御方面具有不同的权衡，城市化对紫茎泽兰的生长与化学防御物质产生较大的影响，城乡之间紫茎泽兰具有不同的防御策略。

中图分类号:

. 城市化对紫茎泽兰生长及化学防御的影响[J]. 农业与技术, 2024, 44(11): 1-5.

参考文献

[1]Early R,Bradley B,Dukes J,et al.Global threats from invasivealien species in the twenty-first century and national response capac-ities [J].Nature Communications,2016,7 (1):12485. [2]殷万东，吴明可，田宝良，等.生物入侵对黄河流域生态系统的影响及对策[J].生物多样性，2020,28(12)：1533. [3]Zhang Z,Liu Y,Yuan L,et al.Effect of allelopathy on plant per-formance:a meta-analysis [J].Ecology Letters,2021,24 (2):348-362. [4]Kalisz S,Kivlin S N,Bialic-Murphy L.Allelopathy is pervasivein invasive plants [J].Biological Invasions,2021,23 (2):367-371. [5]Inderjit,Simberloff D,Kaur H,et al.Novel chemicals engendermyriad invasion mechanisms [J].New Phytologist,2021,232 (3):1184-1200. [6]Li Y P,Feng Y L,Kang Z L,et al.Changes in soil microbialcommunities due to biological invasions can reduce allelopathiceffects [J].Journal of Applied Ecology,2017,54 (5):1281-1290. [7]Zhang P,Li B,Wu J,et al.Invasive plants differentially affectsoil biota through litter and rhizosphere pathways:a meta-analysis[J].Ecology Letters,2019,22(1):200-210. [8]Sala O E,Stuart Chapin F,Armesto J J,et al.Global biodiversityscenarios for the year 2100 [J].Science,2000,287 (5459):1770-1774. [9]Seto K C,GuneralpB,Hutyra L R.Global forecasts of urban ex-pansion to 2030 and direct impacts on biodiversity and carbon pools[J].Proceedings of the National Academy of Sciences of the UnitedStates of America,2012,109(40):16083-16088. [10]Zhao S,Liu S,Zhou D.Prevalent vegetation growth enhancementin urban environment [J].Proceedings of the National Academyof Sciences of the United States of America,2016,113 (22):6313-6318. [11]Walker JS,Grimm N B,Briggs J M,et al.Effects of urbaniza-tion on plant species diversity in central Arizona[J].Frontiers inEcology and the Environment,2009,7 (9):465-470[12]Chocholouskov a Z,Pysek P.Changes in composition and struc-ture of urban flora over 120 years:a case study of the city of [J].1oa,2003,198(5):366-376. [13]Thompson M J,Capilla-Lasheras P,Dominoni D M,et al.Phe-notypic variation in urban environments:mechanisms and implica-tions [J].Trends EcolEvol,2022,37 (2):171-182. [14]高乐旋，陈家宽，杨继.表型可塑性变异的生态-发育机制及其进化意义[J].植物分类学报，2008(04)：441-451. [15]Tao L,Ahmad A,Roode J C D,et al.Arbuscular mycorrhizalfungi affect plant tolerance andchemical defences to herbivorythrough different mechanisms [J].Journal of Ecology,2016,104(2):561-571. [16]丁建清.植物入侵、天敌防御机制的适应性进化以及生物防治[C].中国植物学会.中国植物学会七十五周年年会论文摘要汇编(1933-2008).兰州大学出版社，2008：2. [17]Dyer L A,Philbin C S,Ochsenrider K M,et al.Modern ap-proaches to study plant-insect interactions in chemical ecologyJ].Nature Reviews Chemistry,2018,2 (6):50-64. [18]Guo Q,Major I T,Howe GA.Resolution of growth-defense con-flict:mechanistic insights from jasmonate signaling J].CurrentOpinion in Plant Biology,2018,44:72-81. [19]Huang L,Guo L.Secondary metabolites accumulating and geo-herbs formation under environmental stress [J].China Journal ofChinese Materia Medic,2007,32 (4):277-280. [20]万方浩，刘万学，郭建英，等.外来植物紫茎泽兰的入侵机理与控制策略研究进展[J].中国科学：生命科学，2011，41(01):13-21. [21]Lu X M,Zhou C F,An S Q,et al.Phenotypic plasticity,al-lometry and invasiveness of plants J].ChinJEcol,2007,26(9):1438-1444. [22]Richards C L,Bossdorf 0,Muth NZ,et al.Jack of all trades,master of some?On the role of phenotypic plasticity in plant inva-sions [J].Ecology letters,2006,9 (8):981-993. [23]闫海芳，周波，李玉花.光受体及光信号转导[J].植物学通报，2004(02)：235-246. [24]Venderamini F,Di az S,Gurvich D E,et al.Leaf traits as indi-cators of resource-use strategy in floras with succulent species[J].New Phytologist,2002,154 (1):147-157. [25]Xiu-Feng Y,Yang W.Plant secondary metabolism and its re-sponse to environment J].Acta EcolSin,2007,27 (6):2554-2562. [26]王小菲，高文强，刘建锋，等.植物防御策略及其环境驱动机制[J].生态学杂志，2015,34(12)：3542-3552. [27]Dunn C P.Keeping taxonomy based in morphology [J].Trendsin Ecology and Evolution,2003,18 (6):270-271.