Sodium alginate enhances defense responses of Pinus sylvestris var. mongolica against Bursaphelenchus xylophilus by regulating chs genes and flavonoid metabolites.

BACKGROUND: Pinus sylvestris var. mongolica is a naturally susceptible host for the pine wood nematodes (PWNs, Bursaphelenchus xylophilus) and a dominant afforestation tree species in northeastern China. With the continuous northward expansion of PWN…

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