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Response of Dry Edible Bean (Phaseolus vulgaris) Cultivars to Four Herbicides

Published online by Cambridge University Press:  12 June 2017

Carl P. Urwin ,
Robert G. Wilson  and
Dave A. Mortensen
Carl P. Urwin
Affiliation:
Dep. Agron., Univ. Nebraska, Scottsbluff, NE 69361 and Lincoln, NE 68583
Robert G. Wilson
Affiliation:
Dep. Agron., Univ. Nebraska, Scottsbluff, NE 69361 and Lincoln, NE 68583
Dave A. Mortensen
Affiliation:
Dep. Agron., Univ. Nebraska, Scottsbluff, NE 69361 and Lincoln, NE 68583
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Abstract

Dry edible bean tolerance to PPI-applied EPTC, alachlor and POST-applied imazethapyr was evaluated over two years at Scottsbluff, NE. Eight market classes of dry edible beans comprising 12 cultivars were studied. Crop tolerance was assessed by measuring crop injury, stand, leaf area index, leaf chlorosis, plant canopy volume, projected canopy cover, crop maturity, and seed yield. Leaf area index measured late in the growing season provided the best correlation with seed yield in both years. In 1993 and 1994, imazethapyr treatment caused crop injury, which resulted in a decrease of leaf area and in 1994 decreased seed yield. Differences in herbicide tolerance existed between market classes and cultivars, although the level of herbicide tolerance varied between years.

Keywords

Alachlor, 2-chloro-N-(2,6-diethylphenyl)-N-(methoxymethyl)acetamideEPTC, S-ethyl dipropyl carbamothioateethalfluralin, N-ethyl-N-(2-methyl-2-propenyl)-2,6-dinitro-4-(trifluoromethyl)-benzenamideimazethapyr, 2-[(4,5)-dihydro-4-methyl-4-(1-methylethyl)-5-oxo-1H-imidazol-2-yl]-5-ethyl-3-pyridinecarboxylic aciddry edible bean, Phaseolus vulgaris L. ‘Aurora,’ Black Turtle, Cranberry, ‘D-84354,’ ‘Fleetwood,’ Great Northern, ‘Harris,’ Light Red Kidney, ‘Marquis,’ ‘Mayflower,’ Navy, Pink, Pinto, ‘RS-101,’ ‘Sacramento,’ Small White, ‘T-32,’ ‘UI-906,’ ‘Variety 74,’ ‘Viva.’Herbicide toleranceleaf area indexleaf chlorosisplant canopy volumeprojected canopy covervisual injury
Type
Research
Information
Weed Technology , Volume 10 , Issue 3 , September 1996 , pp. 512 - 518
Copyright
Copyright © 1996 by the Weed Science Society of America 

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References

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