Using the Lilium oriental hybrid ‘Siberian'as testing material,the effects of LSV and LMoV infection on photosynthetic physiology and antioxidant enzymatic activity of the lily were analyzed.The experimental results demonstrate that the contents of chlorophyll a,chlorophyll b and total chlorophyll of the lily leaves infected with LSV reduce by 15.8%,16.6% and 11.1%,respectively,compared with the healthy leaves,and those of the lily leaves infected with LMoV reduce by 24.3%,22.6%and 16.5%,accordingly.The net...