Weed management effect on weed growth and yield of foxtail millet [Setaria italica (L.) Beauv]

Sravani, P. Naga; Subramanyam, D.; Nagavani, A. V.; Umamahesh, V.; Sagar, G. Karuna

doi:10.5958/0974-8164.2021.00079.4

Cited by 2 publications

(2 citation statements)

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“…Tillering ability of the crop was affected by use of herbicide. Tillering of finger millet with of no herbicide application was poor, In addition application of 2,4-D amine salts at 1.3l/ha or Fluroxypr+chloropyrlid+MCPA at 1.25l/ha yielded more tillers similar results were reported by Pradhan et al (2010) who reported that there were more tillers in finger millet where chemical control was applied. The increased finger millet height in treated plots could be as a result of reduction in crop-weed competition.…”

Section: Discussionsupporting

confidence: 82%

Effects of selected herbicides on management of weeds in finger millet (Eleusine coracana L)

Amayu,

Paul,

Patrick

2023

Afr. J. Agric. Res.

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A study was conducted to determine the suitable herbicide(s) for effective weed management in finger millet, in order to address the major biotic stress of weeds infestation and attain optimal productivity of finger millet. Field experiments were conducted in Baringo and Kericho counties in Kenya for two growing seasons, using a randomized complete block design (RCBD) and replicated three times. Three pre-emergence herbicides were used: Mesotrine + Metolachlor + Terbuthylazine, Atrazine + Smetolachlor, and S-Metolachlor. The abundance of weed species was affected by the environment, herbicides used, and types of weed species present. The herbicides used were 2, 4-D amine salts, Atrazine, Metribuzin, and Fluroxypyr + Chlorpyrlid + MCPA, while a control of no weeding was also included. A high weed species abundance was observed in Baringo (20.4%) as compared to Kericho (19.4%). The lowest weed species abundance (WSA) of 0.11% was observed with Mesotrine + Metolachlor + Terbuthylazine. Weeds from the Poaceae family had the highest WSA of 34%. At Kericho, a weed density of 6.47 weeds/m 2 was recorded, and a higher weed control efficiency of 90.56% and 88.88% was observed with Fluroxypyr + Chlorpyrlid +MCPA and 2, 4-D amine salts, respectively, with no phototoxicity observed. However, Metribuzin, Atrazine + S-Metolachlor, and Atrazine had higher weed control efficiency of 89.92, 90.13, and 88.34%, respectively, but caused high crop phytotoxicity, lower yields, and reduced crop biomass. Application of 2, 4-D amine salts and Fluroxypyr +Chlorpyrlid+ MCPA recorded higher yields of 5.04 t/ha and 5.4 t/ha respectively, with a higher crop biomass of 2.6 t/ha and 2.7 t/ha respectively, which was not significantly different. Positive correlation was observed between crop biomass and yield (r=0.98), suggesting that the use of 2, 4-D amine salts and Fluroxypyr + Chlorpyrlid + MCPA will ensure effective weed management and contribute to increased finger millet productivity.

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Section: Discussionsupporting

confidence: 82%

Effects of selected herbicides on management of weeds in finger millet (Eleusine coracana L)

Amayu,

Paul,

Patrick

2023

Afr. J. Agric. Res.

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“…Foxtail millet [Setaria italica (L.) Beauv] is cultivated in India as a rain-fed kharif crop. Appropriate weed control is regarded as a crucial component of agronomic procedures because to significant losses brought on by weed infestation [1]. The highly diverse weed flora associated with foxtail millet varies according to the season, the state of the agro-ecological system, and the degree of control.…”

Section: Introductionmentioning

confidence: 99%

Evaluating Weed Management Strategies and the Differential Effects of Herbicides on Weed Dynamics and Crop performance of Foxtail Millet Grown under the Irrigated Conditions of Rayalaseema

Sravani,

Subramanyam,

Reddy

et al. 2023

IJECC

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At the wetland farm of S.V. Agricultural College, Acharya N.G. Ranga Agricultural University, Tirupati, Andhra Pradesh, India, a field experiment was carried out during the (rainy season) kharif 2020 to evaluating weed management strategies and the differential effects of herbicides on weed dynamics and crop performance of foxtail millet [Setaria italica (L.) Beauv] grown under the irrigated conditions of Rayalaseema. The current study has shown that the application of pre-emergence pretilachlor 500 g ha-1 with intercultivation at 20 DAS was followed by hand weeding twice at 20 and 40 DAS and it led to the highest weed control efficiency, including foxtail millet's nutrient uptake, and the lowest weed density and dry weight. In unweeded check, a heavy weed infestation reduced the amount of nitrogen, phosphorus, and potassium absorbed by crop by 45.67, 18.03, and 35 kg ha-1, respectively. Crop growth parameters, straw and grain production was increased by hand weeding twice, however the benefit-cost ratio lagged behind the most effective weed management strategy, which is applying pre-emergence of pretilachlor 500 g ha-1with intercultivation at 20 DAS. The present experiment indicated that wherever the labour availability for hand weeding is abundant and cheaper, one can go for hand weeding or opt for the said herbicide recommendation taking into the economical considerations.

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Weed management effect on weed growth and yield of foxtail millet [Setaria italica (L.) Beauv]

Cited by 2 publications

References 0 publications

Effects of selected herbicides on management of weeds in finger millet (Eleusine coracana L)

Effects of selected herbicides on management of weeds in finger millet (Eleusine coracana L)

Evaluating Weed Management Strategies and the Differential Effects of Herbicides on Weed Dynamics and Crop performance of Foxtail Millet Grown under the Irrigated Conditions of Rayalaseema

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