Influence of arbuscular mycorrhizal stage and plant age on the performance of a generalist aphid.
Influence of arbuscular mycorrhizal stage and plant age on the performance of a generalist aphid.
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丛枝菌根阶段和株龄对综合性蚜虫性能的影响
DOI：
10.1016/j.jinsphys.2017.01.016
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发表时间：
2017
影响因子：
2.2
通讯作者：
Müller C
中科院分区：
文献类型：
--
作者：
Tomczak VV;Müller C
草食动物寄主植物的质量受不同因素的调节，包括与土壤生物的共生关系，如丛枝菌根（AM），以及植物的年龄。然而，AM在这种植物-微生物-草食相互作用中的发育阶段的作用一直被忽视。为了研究AM阶段和植物年龄对蚜虫性能的影响，在两个时间点，分别在未菌根化（NM）和菌根化（AM）的车前草叶片上饲养了一般的桃蚜个体，分别在幼株（AM建立较少）和老株（AM建立良好）上饲养。测定了第一代蚜虫的各项性能性状。此外，还记录了后代的体重，以确定以前的侵染对下一代的影响。在草食试验结束时，分析植物碳(C)、氮(N)和磷(P)以及每面积叶质量（LMA）作为植物品质的衡量指标。AM和时间点（第6天若虫体质量）或两者的交互作用（相对生长率）对蚜虫的发育性能性状有影响。然而，与AM处理无关，老龄植株第10天的体质量和生殖性能性状较低。结果表明，AM对寄主植株品质的影响不大，但随着年龄的增长，寄主植株品质的影响较大，叶片氮、磷含量降低，碳、LMA含量增加。此外，若虫以先前受侵染的植物为食时，其体重比开始以未受侵染的寄主为食的亲本要高，这可能是由于蚜虫诱导的寄主性状的改变。综上所述，我们的研究结果表明，AM发育阶段和植物年龄对蚜虫性能的影响在整个蚜虫发育过程中以及代际之间都会发生变化，这可归因于植物质量的变化。
Host plant quality for herbivores is modulated by different factors including symbiosis with soil organisms, such as arbuscular mycorrhiza (AM), as well as plant age. However, the role of the developmental stage of the AM in such plant-microbe-herbivore interactions has been neglected. To investigate the effects of AM stage and plant age on aphid performance, individuals of the generalistMyzus persicaewere reared on leaves of non-mycorrhized (NM) or mycorrhized (AM)Plantago lanceolataplants at two time points, on young plants (with a minor established AM) and on older plants (with a well-established AM), respectively. Various performance traits were measured in the first aphid generation. Additionally, the body mass of the offspring was recorded to determine effects of previous infestation on the next generation. At the end of the herbivore experiments, plant carbon (C), nitrogen (N) and phosphorus (P) as well as leaf mass per area (LMA) were analyzed as measures of plant quality. Developmental performance traits of the aphids were either affected by AM and time point (nymph body mass at day 6) or by the interaction of both (relative growth rate). However, body mass at day 10 and reproductive performance traits were lower on older plants, independent of AM treatment. In line with these results, host plant quality changed little due to AM but strongly with age, with decreases in leaf N and P, but increases in C and LMA. Furthermore, nymphs gained a higher body mass when feeding on previously infested plants compared to their parents that started to feed on non-infested hosts, likely due to an aphid-induced modification in host traits. In summary, our results indicate that effects of both the developmental stage of AM and the plant age on aphid performance change throughout aphid development and between generations, attributable to shifts in plant quality.
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影响因子：
2.6
作者：
Pelletier, Y.;Pompon, J.;Quiring, D.
通讯作者：
Quiring, D.
丛枝菌根对植物化学及综合食草动物发育和行为的影响
影响因子：
2.3
作者：
Tomczak VV;Schweiger R;Müller C
通讯作者：
Müller C
DOI：
10.1673/031.012.2401
发表时间：
2012
期刊：
Journal of insect science (Online)
影响因子：
--
作者：
Agarwala BK;Das J
通讯作者：
Das J
影响因子：
8.8
作者：
Gange, AC;Stagg, PG;Ward, LK
通讯作者：
Ward, LK