Ticks,as obligate blood-feeding epizoic arthropod,feed on terrestrial vertebrates and are one of the most important dise......

采用水培试验探索不同浓度（0mg／L、5mg／L、30mg／L和60mg／L）Cu^2＋或cd^2＋胁迫（24h、48h、72h和96h）后对小麦幼根超氧化物歧化酶（SOD）活性的影响，......