英语语法分析

This cultivar was Dr. Pierce's favorite and was named "Pierce" by him.

这一品种被皮尔斯博士最喜爱的，并命名为“皮尔斯”，由他负责。

Frost Protection: It is important to choose a cultivar that is hardy in your area.

霜冻保护：它是重要的选择品种，耐寒，是你的领域。

Adventitious buds regeneration from etiolated internode segment of apple cultivar Nagafu no.

富士苹果黄化茎段再生不定芽的研究。