Grains and field crops
Ryegrass in cereals - 75A24, 75E16, 75G16, 75LG5, 75N19, 75NO32. Spray top annual ryegrass trial - Locality - Wongan Hills, Merredin Research Station Avondale Research Station, Newdegate Research Station. Background - Killing of immature seed by killing seedhead with paraquat is a method of reducing seed production in annual ryegrass. Method Various rates of 'Spray top' were applied to an even stand of ryegrass. Seed counts were made in December 1975 and will be made in March 1976. Plant counts after emergence will be made as well. Counts were partitioned into seed in head and seed shed. Herbicide control of broad leafed weeds in cereals - 75A25, 75C19, 75M36. Herbicide control of wild oats in wheat - 75A23, 75KA22, 75T52.
Number of Pages
Pearce, G A. (1975), 1975 Weed trials - annual ryegrass, spray top, broadleaved weeds in cereals, wild oats. Department of Agriculture and Food, Western Australia, Perth. Report.