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- Title
Penetration of bracken fronds by amitrole as influenced by pre-spraying conditions, surfactants and other additives.
- Authors
Babiker, A. G. T.; Duncan, H. J.
- Abstract
Amitrole (3-amino-1,2,4-triazole) penetration on foliar application to bracken (<em>Pteridium aquilinum</em>) is influenced by pre-spray conditions. With the exception of Triton X-405 all surfactants tested at a concentration of approximately 0.1% (w/v) viz., Tween 20, Triton GR-5, Triton X-100 and Tergetol NPX, improved penetration by more than 17%. Ammonium thiocyanate and ammonium nitrate both enhanced penetration while ammonium sulphate had no effect. Either phosphoric acid alone or in combination with ammonium nitrate reduced penetration. All humectants used were either deleterious or similar to the water control in their effect. Sucrose was shown to enhance penetration but the difference was not significant.
- Subjects
PTERIDIUM; SURFACE active agents; AMMONIUM nitrate; AMMONIUM sulfate; PHOSPHORIC acid
- Publication
Weed Research, 1975, Vol 15, Issue 2, p123
- ISSN
0043-1737
- Publication type
Article
- DOI
10.1111/j.1365-3180.1975.tb01109.x