Broadleaf Weed Control in Winter-Sown Lentil (<i>Lens culinaris</i>)

Karimmojeni, Hassan; Yousefi, Ali Reza; Kudsk, Per; Bazrafshan, Amir Hossein

doi:10.1614/wt-d-13-00184.1

Cited by 7 publications

(19 citation statements)

References 11 publications

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“…However, PRE applications of pendimethalin and prometryn have been registered to control weeds in lentil in Iran. Karimmojeni et al (2015) found that PRE applications of pendimethalin followed by one hand weeding provided adequate control of broadleaf weeds. Prometryn and linuron also showed satisfactory control on a wide spectrum of weeds in winter-sown lentil .…”

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confidence: 99%

Efficacy of Five Herbicides for Weed Control in Rain-Fed Lentil (Lens culinarisMedik.)

2016

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Lentil is vulnerable to weed competition because of its short stature, slow establishment, and limited vegetative growth. Although the vast majority of lentil production is under rain-fed conditions, there is a little published information on weed control with herbicides in rain-fed lentils. Field experiments were conducted to determine the efficacy of nine herbicide treatments including fomesafen, imazethapyr, linuron, pendimethalin, and pyridate alone or in combination compared with one or two hand weeding(s) on weed control and yield response in rain-fed lentil in Khorramabad, Iran in 2012 and 2013. Weed species included catchweed bedstraw, cowcockle, haresear mustard, hoary cress, wild mustard, and wild safflower. Total weed dry biomass in weedy check plots averaged 156 and 170 g m−2 in 2012 and 2013, respectively, and weed density and biomass were reduced in all treatments compared to the weedy check in both years. Plots that were hand weeded twice reduced weed biomass the greatest, whereas fomesafen, linuron, or one hand weeding did not control weeds satisfactorily. Noncontrolled weeds reduced lentil yield by 67% both years compared to the weed-free control. Lentil yield in 2013 (1,370 kg ha−1) was higher than in 2012 (1,150 kg ha−1). All herbicides tested injured lentil slightly, with pyridate (1,200 g ai ha−1) and pendimethalin (660 g ai ha−1 plus imazethapyr at 250 to 500 g ai ha−1) causing the least injury. Across all treatments, imazethapyr plus pendimethalin PRE, pyridate POST, and two hand-weeding treatments had the best performance for weed control and lentil yield.

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Efficacy of Five Herbicides for Weed Control in Rain-Fed Lentil (Lens culinarisMedik.)

2016

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“…Therefore, the sowing date is another variable that can impact the environmental conditions of weed germination (Singh et al ., 2015). In Mediterranean regions (such as the western parts of Iran), early planting of spring crops late in the winter can prolong the growth period, thereby augmenting the yields (Karimmojeni et al ., 2015). However, in such conditions, weeds can also have early germination, which could in turn cause problems because of the excellent moisture availability early in the growing season.…”

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confidence: 99%

“…Karimmojeni et al . (2015) reported that with weed control, winter cultivation of lentils was able to increase its growth period and yield. The seeding rate can also have an effect on weed infestation through rapidly increasing the crop canopy expansion and reducing the incoming light received by weeds (Jha et al ., 2017).…”

Section: Introductionmentioning

confidence: 99%

“…In Mediterranean regions (such as the western parts of Iran), early planting of spring crops late in the winter can prolong the growth period, thereby augmenting the yields (Karimmojeni et al, 2015).…”

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confidence: 99%

“…As a result, early planting could increase weed infestation and competitiveness (Erskine, 2009), meaning weed control should be considered in the early growing season. Karimmojeni et al (2015) reported that with weed control, winter cultivation of lentils was able to increase its growth period and yield. The seeding rate can also have an effect on weed infestation through rapidly increasing the crop canopy expansion and reducing the incoming light received by weeds (Jha et al, 2017).…”

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Weed infestation is affected by chickpea farmer demographics and agronomic practices

et al. 2020

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To investigate the effects of agronomic practices and farmer demographics on levels of weed infestation in chickpea fields, a survey was conducted during 2015 in Sanjabi district, Kermanshah, Iran. Two sets of data were collected: (a) weed sampling from the selected chickpea fields, and (b) questionnaire recording of farmer demographics and agronomic management. The farmers were asked about their residence status (resident or migrant), occupation (farming only, farming plus a second job), experience and education levels, as well as seedbed preparation, sowing date and method, source of seed supply, crop cultivar, sowing seed rate, weed control operation and crop rotation history. The results showed that weed species composition was similar across the studied fields. The use of a row crop planter, a sowing rate of 45 kg ha‐1, and weed control resulted in 30.2, 23.03 and 34.2% reductions in weed infestation compared with hand sowing, a sowing rate of 30 kg ha‐1 and lack of weed control, respectively. Weed density decreased with increasing farmer experience and decreased by 33.0% and 23.5% in chickpea fields of resident farmers and owners whose sole occupation was agriculture. We found that 89.5% of the most experienced farmers adopted weed control operations and most resident landowners (77.4%) opted for crop planter (77.4%) and weed control (90.3%) compared to migrant farmers (50 and 68.5%, respectively). More landowners who were exclusively farmers performed weed control (90.6%) than owners who had a second job (67.9%).

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Broadleaf weed control in rain-fed chickpea

et al. 2019

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Weeds are among the main limitations on chickpea production in Iran. The efficacy of herbicide treatments including linuron PPI, imazethapyr PPI, PRE, and POST, pendimethalin PPI and POST, bentazon POST, pyridate POST, and oxadiazon POST along with one or two hand weedings were evaluated for weed control and yield response in rain-fed chickpea in Aleshtar, Lorestan, Iran in 2015 and 2016. Wild safflower, threehorn bedstraw, wild mustard, and hoary cress were the predominant weed species in both experimental years. Total weed dry biomass in weedy check plots averaged 187 and 238 g m−2 in 2015 and 2016, respectively, and weed density and biomass were reduced in all treatments compared to the weedy check in both years. Treatments composed of pyridate followed by one hand weeding or imazethapyr POST followed by two hand weedings resulted in the lowest weed biomass. The presence of weeds reduced yield by 74% and 66% in the weedy check plots compared to the weed-free control plots in 2015 and 2016, respectively. Application of oxadiazon, bentazon, and imazethapyr PPI, PRE, and POST resulted in lower chickpea yields. All herbicides tested injured chickpea slightly, with pyridate causing the least injury.

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Broadleaf Weed Control in Winter-Sown Lentil (Lens culinaris)

Cited by 7 publications

References 11 publications

Efficacy of Five Herbicides for Weed Control in Rain-Fed Lentil (Lens culinarisMedik.)

Efficacy of Five Herbicides for Weed Control in Rain-Fed Lentil (Lens culinarisMedik.)

Weed infestation is affected by chickpea farmer demographics and agronomic practices

Broadleaf weed control in rain-fed chickpea

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