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表示南美蟛蜞菊ꎻ 表示蟛蜞菊ꎮ ∗表示处理间差异显著(P<0.05)ꎮ
indicates S. trilobataꎻ indicates S. calendulacea. ∗ indicates significant differences between different treatments (P<0.05).
图 5 外源脱落酸喷施对南美蟛蜞菊和蟛蜞菊克隆片段总生物量和根冠比的影响
Fig. 5 Effects of ABA application on the total biomass and the root ̄shoot ratio of Sphagneticola trilobata and S. calendulacea
整合导致南美蟛蜞菊生物量分配格局的差异可能 D'HERTEFELDT Tꎬ JNSDTTIR IRSꎬ 1999. Extensive
也是其克隆整合收益更大的原因之一ꎬ并有助于 physiological integration in intact clonal systems of Carex
arenaria [J]. Journal of Ecologyꎬ 87(2): 258-264.
其成功入侵ꎮ
DE KROON Hꎬ FRANSEN Bꎬ VAN RHEENEN JWꎬ et al.ꎬ
综上所述ꎬ本研究表明外来入侵克隆植物及
1996. High levels of inter ̄ramet water translocation in two
其同属本地种胁迫信号的克隆整合差异可能是影
rhizomatous Carex speciesꎬ as quantified by deuterium
响其入侵性的重要因素ꎬ进一步推进了克隆生长
labelling [J]. Oecologiaꎬ 106(1): 73-84.
习性对外来植物入侵能力影响的认识ꎮ 然而ꎬ本 DUAN SJꎬ DU Jꎬ YU DWꎬ et al.ꎬ 2024a. Clonal integration of
文仅涉及一种外来入侵克隆植物及其同属本地 stress signal induces morphological and physiological
response of root within clonal network [ J]. PLoS ONEꎬ
种ꎬ未来仍需开展更多研究以验证结果的普适性ꎮ
19(3): e0298258.
DUAN SJꎬ SUN GJꎬ DAN Yꎬ et al.ꎬ 2024b. Timing of systemic
参考文献: resistance induced by local exogenous ABA application within
clonal network of stoloniferous herb Centella asiatica
ALI Hꎬ SIDDIQUI Mꎬ AL ̄WHAIBI Mꎬ et al.ꎬ 2013. Effect of subjected to low water availability [ J]. Frontiers in Plant
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BERRIOS Lꎬ RENTSCH JDꎬ 2022. Linking reactive oxygen networks? [J]. The New Phytologistꎬ 179(4): 1142-1153.
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CAO Xꎬ SHEN QDꎬ MA Sꎬ et al.ꎬ 2020. Physiological and PIP LATIF Hꎬ 2014. Physiological responses of Pisum sativum plant
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11: 1310. LECHUGA ̄LAGO Yꎬ SIXTO ̄RUIZ Mꎬ ROILOA SRꎬ et al.ꎬ
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