Abstract
AbstractField studies were conducted from 2009 through 2011 at the Sustainable Agriculture Research and Extension Center near Lingle, Wyoming, to evaluate great northern bean response to PRE flumioxazin mixed with either trifluralin, pendimethalin, or ethalfluralin. Seven treatments were arranged in a randomized complete block with three or four replicates y−1. The soil texture of the study site was loam in 2009 and 2011, and sandy loam in 2010. Soil organic matter ranged from 1.4% to 1.8%. Treatments included flumioxazin plus trifluralin, flumioxazin plus pendimethalin, flumioxazin plus ethalfluralin, ethalfluralin plus EPTC, imazamox plus bentazon (POST), hand-weeded control, and nontreated control. Dry bean density 4 wk after planting differed among herbicide treatments (P < 0.001). Treatments that included flumioxazin reduced dry bean density 54% compared with treatments without flumioxazin. Dry bean yield was influenced by dry bean density; on average, yield in flumioxazin-containing herbicide treatments was 30% less than treatments not containing flumioxazin, even though weed control was generally greater in flumioxazin treatments.
Highlights
Dry bean is an important crop in the United States and many other regions of the world
Dry bean yield was influenced by dry bean density; on average, yield in flumioxazin-containing herbicide treatments was 30% less than treatments not containing flumioxazin, even though weed control was generally greater in flumioxazin treatments
Field studies were conducted at the Sustainable Agriculture Research and Extension Center near Lingle, Wyoming (42.13°N, 104.39°W), from 2009 through 2011 to evaluate dry bean response to soil-applied flumioxazin mixed with trifluralin, pendimethalin, or ethalfluralin
Summary
Dry bean is an important crop in the United States and many other regions of the world. Dry bean density 4 wk after planting differed among herbicide treatments (P < 0.001). There are relatively few herbicides for broadleaved weed control in dry beans compared with other crops (Soltani et al 2018b).
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