Environmental conditions influence the resistance of pine host obviously.

环境条件影响松树的抗性。

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Resistance induced by biological factors is very important to a host plant.

生物因子诱导的植物抗病性是增强寄主抗病性的重要方法。

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Resistance induced by biological factors is very important to a host plant.

生物因子诱导的植物抗病性是增强寄主抗病性的重要方法。

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