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Effect of rate and time of application of tetrapion on nassella tussock (Stipa trichotoma Nees) in South Africa
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: B.D. Viljoen --- Department of Agriculture and Water Supply, Republic of South AfricaTetrapion was applied at rates of 0, 44; 0, 88; 1, 76 and 3, 52 kg a.i. ha-1 at monthly intervals to nassella tussock (Stipa trichotoma Nees) plants of various ages. The efficacy of the three higher tetrapion rates was... -
Influence of adjuvants on tetrapion efficacy for nassella tussock (Stipa trichotoma Nees) control and subsequent seedling establishment: a preliminary study
Item type: Journal Article • Journal: South African Journal of Plant and Soil • Authors: B.D. Viljoen --- , Republic of South AfricaNassella tussock (Stipa trichotoma Nees) is a perennial grass weed that seeds prolifically, resulting in build-up of a large soil seed bank. Due to it's vigorous growth it has the potential to spread rapidly in disturbed environments and overgrazed areas...