Integration of soil-applied herbicides at the reduced rates with physical control for weed management in fennel (Foeniculum vulgare Mill.)

Yousefi, Ali Reza; Rahimi, Mohammad Reza

doi:10.1016/j.cropro.2014.05.018

Cited by 19 publications

(8 citation statements)

References 17 publications

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“…Zheljazko et al (2006) showed that application of pendimethalin and metribuzin alone or in combination were safe for weed control of Silybum marianum L. Forcella et al (2012) tested the tolerance of Calendula officinalis L. to desmedipham and phenmedipham postemergence herbicides, and showed that this species was tolerant to both herbicides. Yousefi and Rahimi (2014) applied trifluralin and pendimethalin herbicides to Foeniculum vulgare Mill. and reported that both herbicides provided some weed control without any injury to the crop, but pendimethalin was more effective.…”

Section: Introductionmentioning

confidence: 99%

Valerian (Valeriana officinalis L.) tolerance to some post-emergence herbicides

Monjezi¹,

Razmjo²,

Karimmojeni³

2015

Journal of Plant Protection Research

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Valerian (Valeriana officinalis L.) is a medicinal plant, but its cultivation is restricted by weed competition. Therefore, three rates (0.75X, 1X, and 1.25X, where X is equal to the recommended dose of haloxyfop-R (methyl ester), sethoxydim, oxadiargyl, bentazon, oxadiazon, and oxyfluorfen) were applied at the 3-4 leaf stages to valerian plants. This application was done to select the herbicide type and rate for post-controlling broadleaf and grasses weeds in this species. Herbicide injury, Soil-Plant Analyses Development (SPAD) reading, number of leaves per plant, stem diameter, and fresh and dry weights were determined 10, 20, and 30 days after herbicide application. Oxyfluorfen application caused the most herbicide injury followed by bentazon. Injury increased as the rate and the days after application increased. Oxadiazon only caused significant damage 30 days after application under all three rates. Other treatments showed no marked injuries under any rate or date after application, as compared with the control. Effects on other measured traits depended on the trait, herbicide, and herbicide rate. The highest SPAD, leaf number, shoot diameter, fresh weight and dry weight, was recorded under application of 30 mg a.i. ∙ kg-1soil oxadiargyl and 90 mg a.i. ∙ kg-1soil oxadiazon, 81 mg a.i. ∙ kg-1soil haloxyfop-R, 37.5 mg a.i. ∙ kg-1soil oxadiargyl, 22.5 mg a.i. ∙ kg-1soil oxadiargyl, 81 mg a.i. ∙ kg-1soil haloxyfop-R, and 81 mg a.i. ∙ kg-1soil haloxyfop-R, respectively. To sum up, the results showed that sethoxydim, oxadiargyl, and haloxyfop-R produced no significant symptoms of phytotoxicity or reduction of measured traits. This means that oxadiargyl, haloxyfop-R, and sethoxydim may be used safely for weed control of valerian at the rates used in this experiment under similar conditions.

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Section: Introductionmentioning

confidence: 99%

Valerian (Valeriana officinalis L.) tolerance to some post-emergence herbicides

Monjezi¹,

Razmjo²,

Karimmojeni³

2015

Journal of Plant Protection Research

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“…Previous research has demonstrated that one handweeding can influence weed biomass (Yousefi and Rahimi, 2014). In our study, before hand-weeding mean temperature reached to about 19 C in both years (Table 1), which was greater than base temperature of seed germination for most weed species in the experimental sites.…”

Section: Discussionmentioning

confidence: 76%

“…However, environmental and economic costs, as well as increased weed resistance to herbicides have led to a desire for less herbicide use on farms (Yousefi and Rahimi, 2014). One environmentally sound way to decrease herbicide use is living mulch as a cultural weed control method.…”

Section: Introductionmentioning

confidence: 99%

Intercropping of fenugreek as living mulch at different densities for weed suppression in coriander

et al. 2015

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“…In this connection, another dinitroaniline herbicide, butralin caused remarkable reduction in protein, carbohydrate, leghaemoglobin and ureide in the nodule fraction of soybean (Mahmoud et al 1996). Yousefi and Rahimi (2014) and Zheljazkov (1998) stated that the preemergence application of linuron, trifluralin and pendimethalin did not inhibit germination and did not cause phytotoxic damage to fennel. In contrast, they stated that pendimethalin at reduced recommended rate produced consistently high fennel yields.…”

Section: Effect Of Herbicidesmentioning

confidence: 99%

Influence of herbicides under biofertilizer application on fennel (Foeniculum vulgare) yield and quality with special reference to herbicide residues

2021

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Background Weed occurrence and fertilization are considered two of the most factors influencing fennel yield. A two season’s field study was undertaken to investigate the response of fennel crop to two different herbicides under the application of biofertilizers. The two herbicides are pendimethalin (at reduced rate), fluazifop-p butyl and a combination of sequential application of both of them. The biofertilizers were used in 3 rates of 1:1:1, 2:1:1 and 1:1:2 (v/v/v) from atmospheric nitrogen-fixating, phosphorous-dissolving and potassium-solubilizing bacterial strains. Results The results indicated that under all rates of the biofertilizers, the two herbicides applied individually caused significant reduction in growth parameters of the fennel plant estimated. Hand weeding (untreated check) increased fruit yield by 63% and oil yield by 78% compared to unweeded control, while sequential application of pendimethalin + fluazifop increased fruit yield by 45% and oil yield by 83% under biofertilizers at the rate of 2:1:1. Slight decrease in protein content using pendimethalin + fluazifop (12.94, and 12.96%) compared to 13.56% for hand weeding was observed. However, fluazifop alone showed no significant differences (13.63 and 13.13%) during both seasons under the biofertilizer rate of 2:1:1. No detectable residues of pendimethalin and fluazifop applied alone or sequentially were found in the analyzed dry seeds. Conclusion The obtained results concluded that using proper level of biofertilizer combined with herbicides would increase the seed yield and oil content of fennel. Nevertheless, further investigation is needed to search for safer and effective weed control methods in medicinal plants.

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Integration of soil-applied herbicides at the reduced rates with physical control for weed management in fennel (Foeniculum vulgare Mill.)

Cited by 19 publications

References 17 publications

Valerian (Valeriana officinalis L.) tolerance to some post-emergence herbicides

Valerian (Valeriana officinalis L.) tolerance to some post-emergence herbicides

Intercropping of fenugreek as living mulch at different densities for weed suppression in coriander

Influence of herbicides under biofertilizer application on fennel (Foeniculum vulgare) yield and quality with special reference to herbicide residues

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