英语语法分析

Japonica parent JX-17 had ovicidal resistance to WBPH.

粳稻亲本京系17具有杀卵抗性。

Ovicidal trait in DH lines was phenotyped by necrotic symptoms on the leaf sheaths due to ovicidal response.

DH株系中的杀卵特性是通过叶鞘上杀卵反应产生的坏死症状表现的。

Among 21 japonica landraces in Zhejiang Province, ovicidal and sucking response of WBPH showed independent and continuous variations.

浙江的21个粳稻地方品种对白背飞虱拒取食和杀卵作用表现出独立性和连续变化。