PHYSIOLOGICAL AND CYTOLOGICAL EFFECTS OF TRIAZINE-HERBICIDE ON VICIA FABA PLANT

Abstract

u is considered as one of the most important leguminous crop:-. all over the world. The imp011ance of Vicia faba raises ti·om the fact that, it has the highest nutritional value amang legu ninous crops t(Jr containing high quality of protein. Therefore, it is used 6as an excellent source for human and animal nutrition.

Vicia .fdJ.i plants were found to be affected greatly by the existence of competing weeds which consequently affecting the crop yield and compos it ion. l\loreover. nutritional and economic value of Vicia jitha crop would be reduced.

The competition ofweeds with crops is demonstrat.:d in many V\ays. They may con pete for water, light and nutrients. Weeds nay also compete with crops to, space above and below soil surf tce. ome weeds mav parasite on crop plants. Therefore, weeds should eliminated fi·om fields.

Controlling of weeds takes place by usmg chem cals (herbicides) which gtve good results lor the elimination of weeds, however ustng chemicals was iound to have harmful effects on plant. Moreover. chemical