Early Season Herbicide Applications for Weed Control in Stale Seedbed Soybean (<i>Glycine max</i>)

Bruff, Stacey A.; Shaw, David R.

doi:10.1017/s0890037x00034266

Cited by 19 publications

(20 citation statements)

References 18 publications

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“…Time of seedbed tillage after harvest is of little consequence, provided it does not delay planting (16). Weed control options following the application of a preplant foliar-applied (PFA) 4 herbicide to kill weeds just prior to or at planting are varied, but similar seed yield has been achieved from the use of certain selec tive PRE and/or POST herbicides (4,5,17).…”

Section: Introductionmentioning

confidence: 99%

Net Returns from Stale Seedbed Plantings of Soybean (Glycine max) on Clay Soil

Heatherly¹,

Wesley²,

Elmore³

et al. 1993

Weed technol.

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Field studies were conducted for three years in each of two successive experiments and analyzed to determine net return from stale seedbed plantings of soybean. Treatments in the first experiment were early May and late May/early June plantings in seedbeds that had combinations of tillage at various times between harvest and planting, incorporation of trifluralin, or no preplant tillage. Treatments in the second experiment were irrigated and nonirrigated stale or no-till seedbed plantings with weed control treatments that included POST cultivation plus combinations of preplant foliar-applied (PFA) glyphosate, PRE metribuzin, and POST herbicides. Results indicate that 1) early planting of soybean resulting from use of a stale seedbed will result in higher net returns when irrigation is used, 2) use of a wheat cover crop does not justify the expense, 3) soybean planted in a no-till seedbed will result in net return similar to that from plantings in fall-tilled, spring-tilled, or prepared seedbeds, 4) use of only a PFA herbicide plus POST cultivation in a stale seedbed planting where competitive weeds such as common cocklebur appear later will result in a significant reduction in net returns, and 5) use of PRE herbicides in conjunction with PFA herbicide and POST cultivation in a stale seedbed planting will result in the highest net return with the least input.

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Section: Introductionmentioning

confidence: 99%

Net Returns from Stale Seedbed Plantings of Soybean (Glycine max) on Clay Soil

Heatherly¹,

Wesley²,

Elmore³

et al. 1993

Weed technol.

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“…1993. Volume 7:960-965 vvhich must be controlled chemically to facilitate crop stand establishment (1,2,3,8,14,15). One weed management option is to apply a soil residual herbicide at the time of initial seedbed preparation to decrease weed infestation level at planting (11).…”

mentioning

confidence: 99%

“…Paraquat and glyphosate, which are presently registered for non selective weed control, can be applied alone or in combination with herbicides having both foliar and soil residual activity. Such tank mixtures could increase ini tial weed control and provide residual weed control, broaden the spectrum of control, and reduce the number of trips over the field (1,2,3).…”

mentioning

confidence: 99%

Influence of Residual Herbicides on Rate of Paraquat and Glyphosate in Stale Seedbed Soybean (Glycine max)

Lanie¹,

Griffin²,

Reynolds³

et al. 1993

Weed technol.

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Field studies were conducted to evaluate weed control with paraquat and glyphosate applied at various rates alone and in combination with residual herbicides. Morningglory, prickly sida, and hemp sesbania control 28 d after treatment was similar regardless of herbicide treatment. In contrast, barnyardgrass control when paraquat was tank mixed with pendimethalin plus imazaquin was equal to that of paraquat alone but less than that for tank mixtures with metolachlor plus metribuzin plus chlorimuron or metolachlor plus metribuzin. Barnyardgrass control and soybean yield when paraquat was applied at 1050 g ai/ha in combination with metolachlor plus metribuzin plus chlorimuron or metolachlor plus metribuzin was greater than when the same residual herbicide treatments were applied with paraquat at 350 g/ha. Yield following glyphosate at 840 and 1120 g ai/ha in combination with residual herbicides was no greater than when glyphosate was applied alone, which was reflective of barnyardgrass control. Tank mixtures of glyphosate at 1680 g/ha with metolachlor plus metribuzin plus chlorimuron or metolachlor plus metribuzin resulted in soybean yield higher than for glyphosate alone. Regardless of the glyphosate and residual herbicide combination, soybean yield was no greater than when paraquat was applied at 350 g/ha in combination with metolachlor plus metribuzin plus chlorimuron.

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“…Chemical weed control is used prior to planting in stale seedbeds (Noll, 1978;Whatley et al, 1984;Bruff & Shaw 1992;Heatherly et al, 1992). By these definitions autumn-prepared seedbeds are stale by spring.…”

Section: Introductionmentioning

confidence: 99%

Mulching Effects on Erosion of Soil Beds and on Yield of Autumn and Spring Planted Vegetables

Russo

Cartwright

Webber

1997

Biological Agriculture & Horticulture

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Weather conditions in the spring may interfere with commercial vegetable planting. Autumn mulching of beds in preparation for planting may improve vegetable yields. This study was conducted to determine if application of synthetic or organic mulches to autumn-prepared beds affected bed erosion and yield of autumn and/or spring-planted crops. Autumn-prepared beds were left bare or mulched with either a synthetic adhesive, chipped kenaf (Hibiscus cannabinus L.) with and without adhesive, or black polyethylene mulch. Onion [Allium cepa (L.) Cepa group, cv. Walla Walla Sweet] was seeded in the autumn or transplanted in the spring. Bell pepper (Capsicum annuum var. annuum L., cv. Pip) and cabbage (Brassica oleracea L. Capitata group, cv. Solid Blue 770) were transplanted in the spring. Only polyethylene mulch in one year prevented erosion. Mulching did not consistently affect soil temperature at planting in both years. Spring weed cover on polyethylene mulch and kenaf beds, with or without adhesive, was ;:::17% of bare and adhesiveonly-mulched beds. Crop yields on bare beds were comparable to, or better than, other treatments. Weed control was required on all treatments except polyethylene mulch. Autumn bed preparation without mulching, followed by spring herbicide application, appears to be the most efficient method for autumn and/or spring planting of vegetables at this location.

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Early Season Herbicide Applications for Weed Control in Stale Seedbed Soybean (Glycine max)

Cited by 19 publications

References 18 publications

Net Returns from Stale Seedbed Plantings of Soybean (Glycine max) on Clay Soil

Net Returns from Stale Seedbed Plantings of Soybean (Glycine max) on Clay Soil

Influence of Residual Herbicides on Rate of Paraquat and Glyphosate in Stale Seedbed Soybean (Glycine max)

Mulching Effects on Erosion of Soil Beds and on Yield of Autumn and Spring Planted Vegetables

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