EFFECTS OF HANDWEEDING AND SOME HERBICIDES ON WHEAT PLANT AND ITS ASSOCIATED WEEDS

Hanctweediog and hefbicidal treatments. l.e., brominal. arelon and grasp
reduced significantly weed growth compared to the unwooded control. ElimlnaUon of
weeds by hanctwee<ling or applled hertl4cldes Increa5ed planl height, number o( tillers,
shoot fresh end dry weights of wheat plant as compared to the unwsecec chick.
Pbotosynthetic pigments ware increased by most treatments ...mile, grasp decreased
chlorophyll b and total chlorophyll.
Wheat leaT thickness at the midrib, maln vascular bundle dlmenslons. stem
diameter and ground tissue thickness were increased by handwaed\r.o and all
herbicidal treatments.
Wheat grain yield and Its components as well as crude protein percentage
were InC/eased due to aU treatments compared to the unweeded control. However.
brominel and arelon as well as handweedlng were more effective In this respect.