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- Title
<em>Distribution of</em> <sup>14</sup><em>C-labelled 2,4-D in weed species of differing susceptibility</em>.
- Authors
Sanad, A. J.; Müller, F.; Rademacher, B.
- Abstract
Studies of the absorption and translocation of 14C-2,4-D in <em>Chenopodium album</em> L., <em>Galinsoga parviflora</em> Cav., <em>Datura stramonium</em> L. and <em>Galium aparine</em> L. in relation to their susceptibility gave the following results: In <em>G. aparine</em> (resisiant) there was litle transport of 2,4-D applied to the leaves, and probable relationship between resistance and the immediate binding of the 2,4-D in the treated leaf. <em>D. stramonium</em> (relatively resistant) transported 2,4-D in considerable amounts after uptake through the leaf, while <em>C. album</em> (very susceptible) and <em>G. parviflora</em> (susceptible) were intermediate in respect of 2,4-D translocation. No relationship between susceptibility of these four species and 2,4-D uptake and translocation from the leaves could be established. After application to the root systems of the four species, 2,4-D was taken up and translocated in the shoot to varying extents. In <em>G. aparine</em> much 2,4-D was taken up and translocated. In contrast to leaf application, the herbicide was not immediately converted into a strongly-held immobile form. In <em>C. album, G. parviflora</em> and <em>D. stramonium</em>, however, no 2,4-D was translocated in the shoot. There was thus no correlation between susceptibility and shoot transport of 2,4-D in the four species studied.
- Subjects
CHENOPODIUM album; DATURA stramonium; PLANT roots; LEAVES; GOOSEFOOTS
- Publication
Weed Research, 1971, Vol 11, Issue 4, p224
- ISSN
0043-1737
- Publication type
Article
- DOI
10.1111/j.1365-3180.1971.tb01004.x