Colored cotton has naturally pigmented fibers.The mechanism of pigmentation in cotton fiber is not well documented.This ......

[目的]为筛选既付合卷烟配方要求又适合生态区域种植的晒烟品种.[方法]利用引进晒烟品种结合田间农艺性状、经济性状进行烟叶内外......