For moderate resistant pines, P.rigida and P.massoniana, the universal level of latent infection and PWN number in the samples were mid.

  • 而抗病性中等的马尾松和刚松感病后潜伏侵染现象的普遍性及样品中的线虫量均处于中等。

  • 互联网摘选 2025-01-20 13:18:07

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