英语语法分析

Avirulence gene is genetic factor of pathogen. It encodes elicitor which triggers specific interaction of plant and pathogen.

无毒基因是病原物遗传因子，其编码的产物激发病原物与植物特异性相互作用。

Clone of avirulence gene and other pathogenesis-related genes contribute to understanding the pathogenic specificity and infectious mechanism.

稻瘟菌无毒基因和致病相关基因的克隆有助于解析稻瘟菌的致病专化性和致病机制。

The special band of TN1 population maybe link with avirulence, it was quality character confirmed by genetics experiment and tested by X2-test, followed 3:1 segregation ratio.

TN1种群的特异片段，可能与弱致害连锁，经遗传学实验卡方验证，为质量性状基因，遵循3：1的分离比例。