Plant sensitivity to atrazine and chlorsulfuron residues in a soil-free system

Jettner, R. J., Walker, S. R., Churchett, J. D., Blamey, F. P. C., Adkins, S. W. and Bell, K. (1999) Plant sensitivity to atrazine and chlorsulfuron residues in a soil-free system. Weed Research, 39 4: 287-295. doi:10.1046/j.1365-3180.1999.00145.x

Author Jettner, R. J.
Walker, S. R.
Churchett, J. D.
Blamey, F. P. C.
Adkins, S. W.
Bell, K.
Title Plant sensitivity to atrazine and chlorsulfuron residues in a soil-free system
Journal name Weed Research   Check publisher's open access policy
ISSN 0043-1737
Publication date 1999-08-01
Sub-type Article (original research)
DOI 10.1046/j.1365-3180.1999.00145.x
Open Access Status DOI
Volume 39
Issue 4
Start page 287
End page 295
Total pages 9
Place of publication Oxford, UK
Publisher Blackwell Science
Language eng
Subject C1
300299 Crop and Pasture Production not elsewhere classified
620100 Field Crops
Abstract The sensitivity of 22 major crops, pastures and weeds from the north-east grain region of Australia to atrazine and chlorsulfuron residues was determined in a glasshouse using a soil-free bioassay system. A logistic equation was fitted to the seedling fresh weights as a function of the logarithm of herbicide concentration by non-linear regression and used to calculate the doses for 10%, 30% and 50% inhibition of seedling growth (ID10, ID30 and ID50) The ID50 for atrazine ranged from 0.03 to 0.04 mg a.i, L-1 for Salvia reflexa Hornem. and barley to 1.47 mg a.i. L-l for sorghum, The ID50 for chlorsulfuron ranged from 0.19 to 0.21 mu g a.i. L-1 for lucerne and snail medic to 102 mu g a.i. L-1 for wheat. Based on ID50 values measured, the predicted responses of each species to a range of concentrations of atrazine and chlorsulfuron were classified into four categories ranging from no damage to severe damage. These sensitivity data will assist in planning cropping sequences in soils previously treated with atrazine or chlorsulfuron.
Keyword Agronomy
Plant Sciences
Herbicide Residues
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collection: School of Agriculture and Food Sciences
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Created: Tue, 10 Jun 2008, 23:31:39 EST