题目
英语翻译
Spur blight affects fruiting laterals,especially on the lower portion of canes where conditions are more favorable for disease development.Individual laterals wilt,and at the base of the lateral is a brown or black lesion.Infections can occur on primocanes as well,as indicated by lesions that already exist surrounding these dormant buds.
Spur blight affects fruiting laterals,especially on the lower portion of canes where conditions are more favorable for disease development.Individual laterals wilt,and at the base of the lateral is a brown or black lesion.Infections can occur on primocanes as well,as indicated by lesions that already exist surrounding these dormant buds.
提问时间：2020-07-18
答案
褐斑病（枯萎病）影响着侧根的生长,特别是在更适合细菌生长繁殖的茎秆下部.单独的侧根会枯萎掉,并且在其基部有一个黑色或者棕色的伤口.这种感染也会发生在新生出的茎,休眠芽周围存在的伤口就是很好的指示标志（标志感染已发生）.
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
奥巴马演讲不用看稿子.为什么中国领导演讲要看?
想找英语初三上学期的首字母填空练习……
英语翻译
最新试题
热门考点