A study on controlling Setaria viridis and Corchorus olitorius associated with Phaseolus vulgaris growth using natural extracts of Chenopodium album

El-Rokiek, Kowthar Gad; El-Din, Samia Amin Saad; Shehata, Abeer N.; El-Sawi, S. A.

doi:10.1515/jppr-2016-0031

Cited by 6 publications

(4 citation statements)

References 18 publications

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“…These results confirmed that phenols or flavonoids or both may be the cause of allelopathic inhibition. Different documented results confirmed these obtained results [25][26][27] . The results of TLC analysis (Thin Layer chromatography) indicated that total polyphenol contains tannin, gallic and chlorogenic acids in Table 6 and Fig.…”

Section: Results Of Analysis Of Leaf Root and Seed Extracts Ofsupporting

confidence: 82%

“…Thus, an increase in sunflower growth and yield may result from E. colonum control by different extracts of M. oleifera or enhancement effect. Several workers proved that increase in crop growth and yield was concomitant with controlling weeds 27,[38][39] . This study indicated inhibition in weed growth by the extracts of different parts of Moringa oleifera.…”

Section: Results Of Analysis Of Leaf Root and Seed Extracts Ofmentioning

confidence: 99%

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Herbicidal Potential and Identification of Allelochemicals from Moringa oleifera

El-Rok¹,

Sheha²,

El-Di³

et al. 2021

Asian J. of Plant Sciences

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Background and Objective: Sunflower is one of the most important oilseed crops in the world due to the high oil contents in its seeds.However, its production is less as compared to potential use due to weed competition as one of the most factors affecting production. This study aimed to raise seed production and consequently oil production through overcoming weed problems using natural extract of Moringa oleifera. Materials and Methods: Sunflower plants and associated Econocloa colonum grassy weed in pot experiment were sprayed with Root, leaf and seeds water extracts of Moringa oleifera at the two concentrations (5 and 10%). Results: The results indicated a significant reduction in Econocloa colonum growth by all types of extracts as compared to the control. The higher concentration of leaf extract induced Maximum inhibition. In contrast, the reduction in weed growth was accompanied by an increase in sunflower growth and yield which was attained more increase by a higher concentration of leaf extract (10%). The results indicated that total polyphenol contents in the leaf extract were more than double their correspondence in both root and seed extract. Flavonoids were found in leaf extract only. The total reducing sugar in both leaf and seed extract was more than that in the root extract. The antioxidant activity in leaf extract was more than double of their correspondence in seed and root extract. Conclusion: Results are promising for controlling weeds as well as growth enhancement of the target plants especially by leaf extract of Moringa oleifera.

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Section: Results Of Analysis Of Leaf Root and Seed Extracts Ofsupporting

confidence: 82%

Section: Results Of Analysis Of Leaf Root and Seed Extracts Ofmentioning

confidence: 99%

Herbicidal Potential and Identification of Allelochemicals from Moringa oleifera

El-Rok¹,

Sheha²,

El-Di³

et al. 2021

Asian J. of Plant Sciences

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“…The reducing effect of F. nitida leaf powder on the growth of both weeds, i.e., P. minor and M. parviflora, could be attributed to these natural allelochemicals. These results were confirmed by El-Rokiek et al (2016). Another confirming results were found also by some researcher that leaves and bark extracts of F. bengalensis have different allelopathic effect on seed germination percentage and early seedling growth parameters of some economic crop plants as maize (Zea mays), mung bean (Vigna radiata), and sunflower (Helianthus annuus), and these allelopathic effects are due to their allelochemicals mainly the total phenolic acids content that proportion to the concentration (Mohsin et al 2016;Muhammad et al 2018).…”

Section: Discussionsupporting

confidence: 65%

Allelopathic activity of the leaf powder of Ficus nitida on the growth and yield of Vicia faba and associated weeds

et al. 2019

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Background: Faba bean weeds are considered as serious pests that lead to pronounced damages to its agricultural production since they consume water and nutrients from the soil, reducing not only the yield but also the quality of the crops. So, the aim of this investigation is to control the weeds associated with faba bean plants. Materials/methods: Two pot experiments were carried out during two successive winter seasons of 2016/2017 and 2017/2018 in the greenhouse of the National Research Centre, Dokki, Giza, Egypt. Treatments were applied by incorporating the dry leaf powder of Ficus nitida to the soil surface of pots at the rate of (0, 10, 20, 30, 40, 50, and 60 g/kg soil). Results: All concentrations used pronouncedly decreased the fresh and dry weight of both Phalaris minor and Malva parviflora. On the other hand, Vicia faba growth as well as its yield and yield components were increased with most concentrations used as compared to their mixed controls. Treatments of 20, 30, and 40 g/kg soil, from F. nitida leaf powder, respectively recorded the highest increases in the most growth characters of V. faba with both weeds (P. minor and M. parviflora) at the two growth ages when compared to the healthy control. Also, the best results in all V. faba yield components were recorded with 20 g/kg soil of F. nitida treatment. Conclusion: The results of the present study indicate the possibility of using the allelopathic activity of the leaf powder of Ficus nitida as a selective bioherbicide for controlling annual weeds accompanied Vicia faba plants.

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“…In an attempt to reduce environmental pollution and reduce the resistance of weeds to herbicides, several workers have controlled weeds in crop plants using natural extracts of different plants (Batish et al 2006;Cheema et al 2013;El-Rokiek et al 2016, 2018. The inhibition in weed growth by such natural extracts may be attributed to the presence of some causative allelochemicals (Chon et al 2003).…”

Section: Seed Qualitymentioning

confidence: 99%

Journal of Plant Protection Research

El-Metwally,

El-Rokiek

2019

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Two field experiments were established at the Agricultural Experimental Station of the National Research Centre at Nubaria, Beheira Governorate, Egypt to study the herbicidal potential of the leaf extract of Eucalyptus citriodora at 5, 10, 15, 20 and 25% compared to two hand hoeing, unweeded treatments and the chemical herbicides Bentazon + Clethodium, Bentazon + Fluazifop-P-butyl and Butralin on pea plants and associated weeds. The results indicated that two hand hoeing achieved the maximum weed depression as expressed by the dry matter of total weeds. The dry matter of total weeds decreased by 95.08 to 94.77% as compared with unweeded treatment 50 and 70 days after sowing (DAS) followed by Butraline (93.93-94.65%), Bentazon + Clethodium (93.26-94.07%), Bentazon + Fluazifop--P-butyl (91.82-92.77%) and leaf extract of Eucalyptus at 25% (91.61-91.95%). Furthermore, the reduction in weed development was accompanied by enhanced pea growth and yield. The results revealed that two hand hoeing was the best treatment to increase plant height, shoot dry weight and SPAD value at 50 and 70 DAS. Also, two hand hoeing produced the maximum values of pod length and number of seeds/pod. The results also indicated that Bentazon + Clethodium treatment gave observable values [recorded 72.96% in pod yield (ton ⋅ fed. -1 ) over that of unweeded control] of number of pod/plant, weight of pod/plant, seed yield/fed and protein percentage. Also, the results revealed great increases in the growth of pea as well as yield due to treatment with E. citriodora dry leaf extract at 25%. [recorded 64.8% in in pod yield (ton ⋅ fed. -1 ) over that of unweeded control]. So, the results indicated using Bentazon + Clethodium as well as E. citriodora dry leaf extract at 25% to control weeds associated with pea plants. The authors suggested application of E. citriodora dry leaf extract at 25% in controlling weeds associated with pea plants as a safe method that avoids environmental contamination.

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A study on controlling Setaria viridis and Corchorus olitorius associated with Phaseolus vulgaris growth using natural extracts of Chenopodium album

Cited by 6 publications

References 18 publications

Herbicidal Potential and Identification of Allelochemicals from Moringa oleifera

Herbicidal Potential and Identification of Allelochemicals from Moringa oleifera

Allelopathic activity of the leaf powder of Ficus nitida on the growth and yield of Vicia faba and associated weeds

Journal of Plant Protection Research

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