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- Title
The selectivity of methabenzthiazuron between barley, perennial ryegrass and Poa trivialis.
- Authors
Blair, A. M.; Drennan, D. S. H.; Holly, K.
- Abstract
In field experiments methabenzthiazuron at 1.1 kg ai/ha applied pre-emergence gave good control of <em>Poa trivialis</em> L. in perennial ryegrass S23 which was undersown in spring barley (Zephyr); no significant damage to barley or perennial ryegrass resulted from 2.2 kg ai/ha. However this dose applied when barley had three to four leaves decreased the subsequent barley yield. In pot experiments in the glasshouse methabenzthiazuron was active mainly due to uptake through the soil. Much greater damage to barley and perennial ryegrass resulted when herbicide-treated soil was placed below seed level than above the seed. The difference was less marked with <em>P. trivialis</em>. The latter started to develop secondary roots near the soil surface earlier than either perennial ryegrass or spring barley.
- Subjects
BARLEY; RYEGRASSES; PERENNIALS; HERBICIDE content of soils; SOIL testing
- Publication
Weed Research, 1976, Vol 16, Issue 6, p379
- ISSN
0043-1737
- Publication type
Article
- DOI
10.1111/j.1365-3180.1976.tb00430.x