Geneticresistance is the most economical, preferabal and safety method of reducing yield losses due to leaf rust.
培育和利用抗病品种是减轻叶锈病危害的最经济、有效、安全的方法。
2
Geneticresistance to leaf rust can be most fully utilized by knowledge of the identity of resistance genes in master resistance resources and release cultivars.
而要充分利用对叶锈病的遗传抗性，则必须首先要了解和掌握主要抗源材料和推广品种中的抗性基因。
3
In November, German haematologist Gero Huetter announced that he had cured a man of HIV through a bone marrow transplant from a donor who had a geneticresistance to the virus.