叶背有无叶毛和叶毛类型的不同对丛枝病的抗性有很大差异。
Resistance to witches' -broom disease was different among different type of leaves.
伪狂犬病也称奥叶基氏病、奇痒症，是由甲型疱疹病毒引起的一种传染病。
Pseudorabies disease is also known as Aujeszky's disease and "mad itch".
伪狂犬病也称奥叶基氏病、奇痒症，是由甲型疱疹病毒引起的一种传染病。
Pseudorabies disease is also known as Aujeszky's disease and "mad itch".
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