Pest management using mint volatiles to elicit resistance in soy: mechanism and application potential

The Plant Journal : for Cell and Molecular Biology
Satoru SukegawaGen-Ichiro Arimura

Abstract

Plants can eavesdrop on volatile cues emitted from neighboring plants to boost their defense responses. When 10 categories of mints were tested for their effects on Glycine max (soybean) plants cultivated nearby, candy mint (Mentha × piperita cv. Candy) and peppermint (Mentha × piperita L.) induced the strongest enhancement in RNA levels of defense genes in the soybean leaves. The mechanism by which the mint volatiles enhanced these transcript levels was based on histone acetylation within the promoter regions of defense genes. These increases in transcript levels were induced when receiver plants were cultivated near to candy mint, but the priming of the defense responses was instead induced when receiver plants were cultivated at mid-length intervals. Field assays revealed that anti-herbivore ability of soy was strengthened both by co-cultivation and by pre-incubation of receiver plants with candy mint. The same held true for another receiver, Brassica rapa, when the receiver was co-cultivated or pre-incubated with peppermint. Exposure to mint volatiles resulted in lower damage to receiver plants, although ecological effects on the herbivores and predators probably also contributed. Together, our findings indicate that pest m...Continue Reading

References

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Citations

Feb 10, 2019·Scientific Reports·Kazuki TogashiGen-Ichiro Arimura
Dec 6, 2020·Trends in Plant Science·Gen-Ichiro Arimura
Nov 13, 2020·Frontiers in Plant Science·Anja K Meents, Axel Mithöfer
Mar 12, 2021·Plant Science : an International Journal of Experimental Plant Biology·Keren Martínez-AguilarRaúl Alvarez-Venegas
Apr 16, 2021·Plant Molecular Biology·Chisato TsuzukiGen-Ichiro Arimura
May 10, 2021·Current Opinion in Plant Biology·Rémi PélissierJean-Benoit Morel
Aug 28, 2021·International Journal of Molecular Sciences·Dong-Bei XuWei Wu
Sep 29, 2021·Journal of Experimental Botany·Shaoqun Zhou 周绍群, Georg Jander

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