Arbuscular Mycorrhizal Fungi Mitigate Drought-Enhanced Herbivore Performance in Maize
Sheharyar Ahmed Khan1,2, Giulia Elena Capella1,3, Gaëtan Glauser4
1Chemical Ecology Laboratory, Institute of Plant Sciences, University of Bern, Bern, Switzerland.
Plant, cell & environment
|January 7, 2026
まとめ
Arbuscular mycorrhizal fungi (AMF) can help maize plants cope with drought and insect herbivory. AMF mitigated drought
科学分野:
- 植物科学; 生態学; 農業
背景:
- 干ばつと草食動物は作物生産性に対する脅威を増大させている。; アーバスキュラー菌根菌（AMF）はこれらのストレスを緩和する可能性があるが、それらの複合効果は不明である。
研究 の 目的:
- 干ばつ、AMFコロニー形成、および草食動物がトウモロコシ（Zea mays）に及ぼす個々の影響と相互作用を調査すること。
主な方法:
- 半圃場実験と生育チャンバーアッセイを組み合わせた。; トウモロコシのバイオマス、クロロフィル含有量、生殖形質、DIMBOA-Glcレベル、および草食動物のパフォーマンスを評価した。
主要な成果:
- 干ばつはトウモロコシのバイオマスとクロロフィルを減少させたが、草食動物のパフォーマンスは増加した。; AMFは生殖形質を改善し、干ばつによって誘発される草食動物のパフォーマンスの増加を緩和した。; 干ばつはDIMBOA-Glcレベルを低下させ、AMFによって悪化した。
結論:
- AMFは、干ばつストレス下でトウモロコシ植物が草食動物に抵抗するのを助けることができる。; マルチストレス因子の相互作用を理解することは、AMFの農業応用にとって重要である。
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