Weed Control in Peanuts with Ethalfluralin1

Brecke, Barry J.; Currey, W. L.

doi:10.3146/i0095-3679-7-2-16

Cited by 12 publications

(16 citation statements)

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“…Trifluralin at 1.12 kg ha' or less did not reduce yields of any peanut cultivars. Brecke and Curry (5) found that ethalfluralin [N -ethyl-N-(2-methyl-2-propenyl) -2,6-dinitro-4-(trifluoromethyl)benzenamine] did not cause injury to the peanut crop at any rate or time of application tested. Although it was not stated, it was presumed that runner peanuts were used in the test.…”

mentioning

confidence: 97%

Effect of Dinitroaniline Herbicides upon Yield and Grade of Five Runner Cultivars1

Grichar¹,

Colburn²

1993

Peanut Science

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Five runner peanut (Arachis hypogaeaL.) cultivars were treated With.f~ur dinitroaniline herbicide treatments or a postemergence herbicide treatment to determine the effect on pod yield and grade, p~rcen~age sound mature kernels + sound splits (SMK+SS). No yield differences due to the dinitroaniline herbicide treatments were noted in the three year study. Southern Runner and GK-7 were higher in yield in one of the three test years, however, no cultivar yield differences were noted in the other two years. Grades were lowerwith pendimethalin in the three years;grades oftrifluralin, ethalfluralin and benefin-treatedpeanuts were variable from year to year.

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confidence: 97%

Effect of Dinitroaniline Herbicides upon Yield and Grade of Five Runner Cultivars1

Grichar¹,

Colburn²

1993

Peanut Science

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“…No differences were observed in a 3 yr study examining the yield and grade affects in five runner cultivars (Grichar and Colburn, 1993). In Florida, ethalfluralin did not cause peanut injury at any rate or application timing (Brecke and Currey, 1980). Dinitroaniline injury on peanut includes swollen hypocotyl, abnormal lateral root growth, and stunted plants (Greer et al, 1969;Buchanan et al, 1978).…”

Section: Methodsmentioning

confidence: 96%

Peanut Response to Ethalfluralin, Pendimethalin, and Trifluralin Preplant Incorporated1

Dotray

Keeling²,

Grichar³

et al. 2003

Peanut Science

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Field experiments were conducted at Yoakum (south to evaluate peanut tolerance to dinitroaniline herbicides. At Lamesa, ethalfluralin at 0.63 or 0.84 kg/ha, pendimethalin at 0.56 or 0.84 kglha, and trifluralin at 0.56 or 0.71 kglha were applied preplant incorporated (PPJ), and at Yoakum and Comanche, ethalfluralin and pendimethalin were applied PPJ at 0.67,0.84,1.12, and 1.68kglha. There were no differences in stand establishment or yield for any treatment at Lamesa, Comanche, or Yoakum. Similarly,canopy stature was not affected at Lamesa norwas grade affected at Comanche or Yoakum. At Lamesa, yields by herbicide averaged across rates, incorporation methods, and years ranged from 4530 to 4920 kglha; by rate averaged across herbicides, incorporation methods, and years was 4600 to 4750 kg!ha;and by incorporation method averaged across herbicides, rates, and years was 4580 to 4770 kglha. At Yoakum and Comanche, yields by herbicide were 2640 and 2950 kg! ha, respectively, when averaged across rates; and by rate they ranged from 2630 to 2990 kglha when averaged across herbicides. These data indicate peanut has tolerance (safety) to ethalfluralin, pendimethalin, and trifluralin applied PPJ in Texas.

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“…Initial studies in peanut indicated that ethalfluralin provided 85 to 100% control of goosegrass [ Eleusine indica (L.) Gaertn. ], southern crabgrass, and Florida pusley ( Richardia scabra L.) when applied preemergence (2). However, later research showed that preemergence applications of ethalfluralin or pendimethalin (Prowl) were not effective for weed management in peanut (6,17).…”

Section: Effect Of Herbicides On Weed Control Peanut Yield and Net mentioning

confidence: 99%

Using Herbicides in a Peanut Strip-tillage Production System

Grichar

2005

Crop Management

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Field studies were conducted during 2003 and 2004 in the south Texas peanut (Arachis hypogaea) growing region to evaluate herbicides for effective weed control under a strip‐tillage production system. Ethalfluralin (Sonalan) plus diclosulam (Strongarm) applied preemergence provided the most consistent control of southern crabgrass, Texas panicum, and yellow nutsedge (> 94%). Ethalfluralin at 2.0 pt/acre plus flumioxazin (Valor) at 3.0 oz/acre applied preemergence controlled southern crabgrass and Texas panicum 75 to 84% while ethalfluralin plus flumioxazin at 2.0 oz/acre controlled those same annual grasses 56 to 76%. Ethalfluralin followed by imazethapyr (Pursuit) or imazapic (Cadre) controlled yellow nutsedge and Texas panicum at least 98% but controlled southern crabgrass only 60 to 78%. Ethalfluralin applied preemergece followed by imazapic or diclosulam applied postemergence provided the highest yields (> 3900 lbs/acre) and net returns.

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Weed Control in Peanuts with Ethalfluralin1

Cited by 12 publications

References 0 publications

Effect of Dinitroaniline Herbicides upon Yield and Grade of Five Runner Cultivars1

Effect of Dinitroaniline Herbicides upon Yield and Grade of Five Runner Cultivars1

Peanut Response to Ethalfluralin, Pendimethalin, and Trifluralin Preplant Incorporated1

Using Herbicides in a Peanut Strip-tillage Production System

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