Influence of Oxadiazon on Peanuts and Weeds1

Buchanan, G. A.; Backman, P. A.; Rodrı́guez-Kábana, R.

doi:10.3146/i0095-3679-4-1-9

Cited by 3 publications

(4 citation statements)

References 2 publications

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“…), smallflower morningglory \Jacquernontia tamnifolia (L.) Griseb. # 3 IAQTA], and large crabgrass [Digitaria sanguinalis (L.) Scop. # 3 DIGSA].…”

Section: Methodsmentioning

confidence: 99%

“…Weed control in peanuts in past years has been based upon programs that utilize mechanical cultivation, handhoeing or pulling, and herbicides. Reliance exclusively upon crop rotation and mechanical weed control ended in the early 1950's as selective herbicides began to appear for use in peanuts (3,11,13,14). The use of dinoseb (6,10,15) alone or in combination with naptalam (N-l-naphthylphthalamic acid) (16) began in the late 1950's.…”

Section: Introductionmentioning

confidence: 99%

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Efficiency of Chemical and Mechanical Methods for Controlling Weeds in Peanuts (Arachis hypogaea)

Bridges¹,

Walker²,

McGuire³

et al. 1984

Weed sci.

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Research was conducted from 1978 through 1980 at Headland, AL, to evaluate the use of herbicides, mechanical cultivation, and hand-hoeing as components of a total weed control system for peanuts (Arachis hypogaeaL.). Herbicides or two cultivations alone failed to provide acceptable weed control, peanut yields, or net returns for the 3-yr period. However, adding two cultivations to the herbicide treatments produced acceptable weed control, peanut yields, and net returns for the 3-yr period. Average peanut yield for herbicide(s) plus two cultivations was 3200 kg/ha with an average net return of $260/ha. Two cultivations plus two hoeings without herbicide(s) produced good results with an average 3-yr yield of 3380 kg/ha and a net return of $280/ha. Herbicide(s) plus two cultivation treatments that had net returns equal to two cultivations plus two hoeing treatments were: dinoseb (2-sec-butyl-4,6-dinitrophenol) at 5.0 kg ai/ha applied at ground-cracking ($300/ha); dinoseb + alachlor [2-chloro-2′,6′-diethyl-N-(methoxymethyl)acetanilide] at 1.7 + 3.4 kg ai/ha applied at ground-cracking ($310/ha); and alachlor at 4.5 kg/ha applied preemergence ($320/ha). Treatments containing herbicide(s) plus two cultivations plus two hoeings did not substantially improve weed control, peanut yields, or net returns over herbicide(s) plus two cultivations.

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“…), smallflower morningglory \Jacquernontia tamnifolia (L.) Griseb. # 3 IAQTA], and large crabgrass [Digitaria sanguinalis (L.) Scop. # 3 DIGSA].…”

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Efficiency of Chemical and Mechanical Methods for Controlling Weeds in Peanuts (Arachis hypogaea)

Bridges¹,

Walker²,

McGuire³

et al. 1984

Weed sci.

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“…Peanut weed control in earlier years relied heavily on cultivation, hand-hoeing or pulling. Selective herbicides began to be used in the 1950's (5,18,19,20). Dinoseb As new compounds were introduced, peanut producers began to rely more heavily on herbicides.…”

mentioning

confidence: 99%

Row Pattern and Weed Management Effects on Peanut Production1

Colvin¹,

Walker²,

Patterson³

et al. 1985

Peanut Science

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Field experiments were conducted from 1981 through 1983 on a Dothan sandy loam (Plinthic Paleudults) at Headland, Alabama, to investigate the effects of row patterns and weed management systems on weed control, peanut yield, and net returns to land and management. Treatments consisted of three row patterns, a) conventional 91-cm rows, b) dual twin 18-cm rows, and c) triple twin 18-cm rows, and six weed management systems ranging from none to various combinations of herbicide and mechanical inputs. The experimental area was naturally infested with bristly starbur (Acanthospermum hispidum DC), sicklepod (Cassia obtusifolia L.), Florida beggarweed [Desmodium tortuosum (Sw.) DC.], large crabgrass [Digitaria sanguinalis (L.) Scop.], and Texas panicum (Panicum texanum Buckl.). Results showed that weed control was affected somewhat by row patterns with broadleaf weeds being more responsive to row pattern manipulation than grass weeds. Weed fresh weights were generally lower as row patterns narrowed from conventional 91-cm spacing, however exceptions did occur. Highest yields and net returns were obtained when peanuts were planted in the dual twin 18-cm rows and weed management included benefin applied preplant incorporated, plus alachlor applied preemergence, and two timely cultivations.

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“…Many researchers estimated yield losses in this crop due to weed competition by at least 50% in Libya (Orman1961), and up to 70%in Sudan (Drennan and Jennings, 1977) and 90% in Egypt (Fayed et al, 1990). This competition lie mainly in the 15-60 days after sowing peanut and the maximum was around 45 days after sowing (Yadav et al, 1984).Hand weeding is often more expensive justified by the value of crop (Buchanan et al, 1977). For these reasons it is very important to control weeds mechanically or chemically by herbicides.…”

Section: Introductionmentioning

confidence: 99%

EFFECT OF VARIETIES AND WEED CONTROL TREATMENTS ON WEEDS, GROWTH CHARACTERS, YIELD AND YIELD COMPONENTS OF PEANUT(Arachis hypogaea L.)

Moshtohry¹,

Nassar²,

Ismail

et al. 2007

Journal of Plant Production

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The present study including two field experiments were carried out in sandy soil in Ismailiah Agriculture Research Station during 2004 and 2005 successive summer seasons. The first experiment laid in split plot design was aimed to study the response of two peanut varieties Giza 6 and Gregory and ten weed control treatments being (1) Pendimethalin at 850 g/fed (2) Pendimethalin at 850 g/fed + hand hoeing (3) oxyfluorfen at 125 g/fed (4) oxyfluorfen at 125 g/fed + hand hoeing (5) Butralin at 1200 g/fed (6) Butralin at 1200 g/fed + hand hoeing (7) Fluazifop butyl at 187 g/fed (8) Clethodim at 125 g/fed (9) Hand hoeing (10) Unweeded check; on weeds, growth characters, yield and its components of peanut (Arachis hypogaea L.). In the second experiment complete randomized block design was used to study the effect of fourteen weed control treatments using the recommended rates and reduced rates (with TK1 nozzle) of herbicides on weeds, yield and its components of peanut. The treatments were (1) Pendimethalin at 850 g/fed (2) Pendimethalin at 425 g/fed (TK1) (3) Pendimethalin at 425 g/fed (TK1) + hand hoeing (4) Oxyfluorfen at 125 g/fed (5) Oxyfluorfen at 62.5 g/fed (TK1) (6) Oxyfluorfen at 62.5 g/fed + hand hoeing ( 7) Fluazifop butyl at 187.5 g/fed (8) Fluazifop butyl (TK1) at 93.75 g/fed (9) Fluazifop butyl (TK1) at 93.75 g/fed + hand hoeing (10) Clethodim at 125 g/fed (11) Clethodim at 62.5 g/fed (TK1) (12) Clethodim at 62.5 g/fed (TK1) + hand hoeing (13) Hand hoeing ( 14) Unweeded check.The main findings from the first experiment concerning the effect of peanut varieties there were no significant response on weeds, yield and yield components. Butralin was considered as alternative for oxyfluorfen and pendimethalin against annual weeds which decreased dry weight by 85-92%.Clethodim or fluazifop butyl were effective against grasses and decreased the dry weight by 84-99%. These herbicides minimized weed/peanut competition and consequently increased pod yield and yield components. Pendimethalin, butralin + hand hoeing and oxyfluorfen increased pod yield (ardab/fed.) by 376.7, 332.6 and 327.6% , respectively in the first season, while, oxyfluorfen, pendimethalin and butralin + hand hoeing increased pod yield by 300.0, 290.2 and 254.9%, respectively in the second season compared to the unweeded check.The capacity of Giza 6 variety or Gregory for weed competition is very low, thus the yield of peanut was reduced by 71 and 73% under weed infestation by 1.168 and 2.033 t/fed of weed dry weight. Such reduction in the yield can be avoided with using different weed control treatments such as butralin, oxyfluorfen, pendimethalin which become more effective by adding hand hoeing after one month from sowing.For the second experiment reducing the full recommended rates either for soil or post emergence herbicides for grasses with the use TK1 nozzle failed to give effective weed control similar to the full recommended rates and consequently reduced peanut yield and its components. Adding hand hoeing to the reduced rates improved weed...

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Influence of Oxadiazon on Peanuts and Weeds1

Cited by 3 publications

References 2 publications

Efficiency of Chemical and Mechanical Methods for Controlling Weeds in Peanuts (Arachis hypogaea)

Efficiency of Chemical and Mechanical Methods for Controlling Weeds in Peanuts (Arachis hypogaea)

Row Pattern and Weed Management Effects on Peanut Production1

EFFECT OF VARIETIES AND WEED CONTROL TREATMENTS ON WEEDS, GROWTH CHARACTERS, YIELD AND YIELD COMPONENTS OF PEANUT(Arachis hypogaea L.)

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