This study was to investigate the changes of physiological and anatomical in tomato plants
infected with tomato yellow leaf curl virus (TYLCV) isolate. it was found the growth
characteristic, cell membrane stability index, photosynthetic pigment, carbohydrate contents
and related to mineral ions contents of tomato plants. As were decreased, when compared
with healthy plants. While electrical leakage increased than healthy plants. The mesophyll
cells of infected tomato plants appeared relatively small or without intercellular spaces the