Author/Authors :
Guo، نويسنده , , Zhanyong and Xing، نويسنده , , Ronge and Liu، نويسنده , , Song-yi Zhong، نويسنده , , Zhimei and Ji، نويسنده , , Xia and Wang، نويسنده , , Lin and Li، نويسنده , , Pengcheng، نويسنده ,
Abstract :
Quaternized chitosan derivatives with different molecular weights were synthesized in the laboratory. Subsequent experiments were conducted to test their antifungal activities against Botrytis cinerea Pers. (B. cinerea pers.) and Colletotrichum lagenarium (Pass) Ell.et halst (C. lagenarium (Pass) Ell.et halst). Our results indicate that quaternized chitosan derivatives have stronger antifungal activities than chitosan. Furthermore, quaternized chitosan derivatives with high molecular weight are shown to have even stronger antifungal activities than those with low molecular weight.