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Soil amendment with Aerva javanica (Burm. F.) Juss. ex Schult. in the control of root rot fungi of cowpea [Vigna unguiculata (L.) Walp.] and mung bean [Vigna radiata (L.)]

100%

Ikram N., Dawar S.

Acta Agrobotanica

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2012

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tom 65

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nr 3

Root rot fungi cause severe losses of crop plants, so the present work was carried out to determine the effect of Aerva javanica parts powder on root infecting fungi of mung bean (Vigna radiata (L.) and cowpea (Vigna unguiculata (L.) Walp.). A. javanica parts (stem, leaves and flower) were used as soil amendments at 0.1, 1 and 5% to check the effectiveness on growth parameters. All the plant parts showed a significant reduction in root rot fungi like Fusarium spp., Rhizoctonia solani Kuhn, and Macrophomina phaseolina (Tassi) Goid. It was noted that germination percentage, fresh weight, leaf area and number of nodules were significantly higher and the inhibitory effect on root rot fungi increased when the soil was amended with A. javanica leaves at 1%. Thus, among all the treatments, A. javanica leaves at 1% were found to be the most effective against root rot fungi.

2

Effect of local tree seeds in the control of root knot nematode Meloidogyne javanica (Treub) Chitwood and growth promotion of chickpea (Cicer arietinum L.) and mung bean (Vigna radiata L.)

80%

Ahmed Z. M., Dawar S., Tariq M., Zaki M. J.

Acta Agrobotanica

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2010

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tom 63

|

nr 1

Seeds of local trees, such Azadirachta indica A. Juss, Adenanthera pavonina L., Leucaena leucocephala (Lam.) de Wit and Eucalyptus spp., were used as aqueous extract at 25, 50 and 100 % concentration to control the activity of Meloidogyne javanica (Treub) Citwood. All seed extracts showed lethal effect on M. javanica eggs, and a gradual decrease in egg hatching and an increase in mortality of second-stage juveniles were observed with the increase in extract concentration. L. leucocephala was found to be most effective in reducing egg hatching, whereas 100 % mortality of juveniles was observed in the case of A. indica seed extract. Number of knots was significantly reduced at 100 % concentration when seeds of chick pea and mung bean were treated and soil was drenched with A. pavonina and Eucalyptus spp. seed extract.

3

The effect of mangroves amendments to soil on root rot and root knot of potato [Solanum tuberosum L.]

80%

Tariq M., Dawar S., Mehdi F. S., Zaki M. J.

Acta Agrobotanica

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2008

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tom 61

|

nr 1

Leaves, stem and pneumatophore of Avicennia marina and leaves and stem of Rhizophora mucronata were used as the organic amendments at 0.1, 1 and 5% concentrations in the control of root rot fungi like (Fusarium spp., Rhizoctonia solani and Macrophomina phasoelina) and root knot nematode Meloidogyne javanica on potato. In pot experiments, germination of seeds, shoot length, shoot weight, root length, root weight and number of knots were signifi cantly increased when plant parts like leaves, stem and pneumatophore of A. marina and R. mucronata were used at 1 and 5% concentrations. There was a complete suppression in infection of R. solani and M. phaseolina when A. marina and R. mucronata were used at 5% concentration on potato. Maximum inhibition of knots of M. javanica was observed when powder made from mangrove plant parts was used at 1 and 5% concentrations. Powder from all plant parts, like leaves, stem and pneumatophore, was effective in suppression of root infecting fungi and root knot nematode.

Ograniczanie wyników

3 Acta Agrobotanica

3 Dawar S.

2 Tariq M.

2 Zaki M. J.

1 Ahmed Z. M.

1 Ikram N.

1 Mehdi F. S.

1 2012

1 2010

1 2008

Soil amendment with Aerva javanica (Burm. F.) Juss. ex Schult. in the control of root rot fungi of cowpea [Vigna unguiculata (L.) Walp.] and mung bean [Vigna radiata (L.)]

Effect of local tree seeds in the control of root knot nematode Meloidogyne javanica (Treub) Chitwood and growth promotion of chickpea (Cicer arietinum L.) and mung bean (Vigna radiata L.)

The effect of mangroves amendments to soil on root rot and root knot of potato [Solanum tuberosum L.]