Effect of aqueous extract of Sorghum halepense (L.) Pers. on germination and growth of some weed species.

Sakran, Muhammad Al; Almhemed, Kamal; Üstüner, Tamer; Dal, Sena

doi:10.29322/ijsrp.11.01.2021.p10946

“…The seeds were treated with 1% NaOCl solution for 15 minutes, then dried, and placed in bags. Johnsongrass seeds dormancy was broken by mechanical method (AL Sakran et al, 2020). While rhizomes were cut 1 cm in length and each part contained one bud.…”

Section: Greenhouse Experimentsmentioning

confidence: 99%

Evaluation of the White and Red Cabbage Efficiency as Pre-Plants in the Control of Johnsongrass in Tomato Cultivation

El Sekran,

Ustuner

2024

Jordan j. Agr. sci.

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The experiments were conducted in tomato fields and greenhouses in 2019 and 2020 to evaluate the allelopathic effects of white and red cabbage with and without mulch to control johnsongrass. The effect of these methods on Johnsongrass life cycle durations, density, length, fresh and dry weight of stems, and rhizomes were determined. Also, the effect of the treatments on the quantity and quality of tomato production was evaluated. In the greenhouse experiment, tomato seedlings were planted with johnsongrass seeds and rhizomes and were treated with plants' aqueous extracts at concentrations of 2, 5, and 10%. The germination and dry weight reduction percentage of johnsongrass were calculated. Isothiocyanates contained in white and red cabbage were identified by GC-MS. White and red cabbage with mulch reduced johnsongrass density by 69.1 and 65.9%, while the dry weight of stems and rhizomes were reduced by 78.2-74.2% and 71.3-68.0%, respectively. White and red cabbage with mulch treatments achieved an increase in tomato production by 632.1 and 621.8%. According to GC-MS analysis, the predominant isothiocyanate in white cabbage was 3-(methylsulfinyl) propyl (23.43%) and 4-(methylsulfonyl)butyl (10.79%) in red cabbage. The results of these experiments confirm that both white and red cabbage have allelopathic potential that can be used in weed control.

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“…The tomato seedlings of the Gulizar variety, weed seeds, and rhizomes were cultivated in pots with 22 cm height and 21 cm top diameter. Before cultivation, the pots were sterilized formaldehyde 37% [28]. In each replication (pot), one tomato seedlings and 20 weed seeds were cultivated, as for the rhizomes of S. halepense, 10 rhizome nodes were cultivated in each pot.…”

Section: Soil Preparation Cultivation and Bioassay Testsmentioning

confidence: 99%

“…The effect of plant extract on seed germination was statistically similar to its effect on wet and dry weight at 6 and 10% concentrations, except for plant height, where the concentration of 10% reduced the plant height significantly compared to other treatments. General increasing the concentration of the aqueous extract of allelopathic plants leads to an increase in growth inhibition [28].…”

Section: Allelopathic Effect Of Aqueous Extract Of D Graveolens On a Retroflexusmentioning

confidence: 99%

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Allelopathic Effect of Aqueous Extracts of Stinkwort (Dittrichia graveolens L.) on Germination and Growth of Some Weed Species

Üstüner¹,

Almhemed²,

Sakran³

et al. 2021

Rec. Agric. Food Chem.

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The experiment was implemented by CRD design with three replications and lasted for 40 days, from 5 October until 15 November 2020. Four extract concentrations of D. graveolens 0, 2, 6, and 10% were used. The concentration of 0% was considered as control. The allelopathic effect has been studied on five weed species; Amaranthus retroflexus L., Portulaca oleracea L., Lolium multiflorum Lam., Sorghum halepense L., and Cuscuta campestris Yunck. The research also aimed to determine the effect of Stinkwort extract on the growth of tomato seedlings. All concentrations affected seed germination for all studied weeds. The concentration of 10% was more influential in growth-related indicators compared to other concentrations. The seeds of L. multiflorum and rhizomes of S. halepense were more tolerant to D. graveolens allelochemicals in germination rate than A. retroflexus, P. oleracea, and C. campestris. All concentrations led to a reduction in the weed heights and the wet and dry weights compared with the controls. The effect of the extract with various concentrations was catalytic for the growth of tomato seedlings, as the average height of tomato seedlings was in direct proportion to the concentration.

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Allelopathic Effect of Aqueous Extracts of Stinkwort (Dittrichia graveolens L.) on Germination and Growth of Some Weed Species

Üstüner¹,

Almhemed²,

Sakran³

et al. 2021

Rec. Agric. Food Chem.

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0

View full text Add to dashboard Cite

The experiment was implemented by CRD design with three replications and lasted for 40 days, from 5 October until 15 November 2020. Four extract concentrations of D. graveolens 0, 2, 6, and 10% were used. The concentration of 0% was considered as control. The allelopathic effect has been studied on five weed species; Amaranthus retroflexus L., Portulaca oleracea L., Lolium multiflorum Lam., Sorghum halepense L., and Cuscuta campestris Yunck. The research also aimed to determine the effect of Stinkwort extract on the growth of tomato seedlings. All concentrations affected seed germination for all studied weeds. The concentration of 10% was more influential in growth-related indicators compared to other concentrations. The seeds of L. multiflorum and rhizomes of S. halepense were more tolerant to D. graveolens allelochemicals in germination rate than A. retroflexus, P. oleracea, and C. campestris. All concentrations led to a reduction in the weed heights and the wet and dry weights compared with the controls. The effect of the extract with various concentrations was catalytic for the growth of tomato seedlings, as the average height of tomato seedlings was in direct proportion to the concentration.

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Effect of aqueous extract of Sorghum halepense (L.) Pers. on germination and growth of some weed species.

Cited by 3 publications

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Evaluation of the White and Red Cabbage Efficiency as Pre-Plants in the Control of Johnsongrass in Tomato Cultivation

Evaluation of the White and Red Cabbage Efficiency as Pre-Plants in the Control of Johnsongrass in Tomato Cultivation

Allelopathic Effect of Aqueous Extracts of Stinkwort (Dittrichia graveolens L.) on Germination and Growth of Some Weed Species

Allelopathic Effect of Aqueous Extracts of Stinkwort (Dittrichia graveolens L.) on Germination and Growth of Some Weed Species

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