Rhizosphere Microflora of Potato as Affected by Organic Treatments

Das, Bibhuti B.; Rajak, Nagen; Nakhro, Neilhousano; Dkhar, Mumtaz S.

doi:10.3923/aj.2010.181.185

Cited by 7 publications

(6 citation statements)

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“…This indicates that the fertilizer supplementation in soil modify the root exudates through changes of physiological and metabolic conditions of plant which in turn influence the rhizospheric microbial population (Das and Dkhar, 2011). Das et al, 2010 indicated that the application of organic amendment favourably influence the microbial population of rhizosphere compared to soil where no organic amendments were applied.…”

Section: Resultsmentioning

confidence: 99%

Comparative Analysis on Infuence of Cowdung and Neem Leaf Compost Amendment in Soil on Rhizospheric Microorganisms of Tomato Plant

tyagi¹,

Tyagi²

2021

PLANT ARCHIVES

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Two organic fertilizers were prepared by composting cowdung and neem leaves for four months and after composting the compost were added to soil in the ratio 1:3. Then tomato seeds were germinated and rhizospheric soil samples were collected and analysed for microbial count after 15, 30, 45, 60, 75 and 90 days of plant growth. The results showed that the compost NL and CD both have significant positive influence on rhizospheric bacteria and fungi. However the effect of NL compost was more on bacterial count and CD compost on fungal count. The compost amendment effect was more promising on rhizospheric microbiome at early stages ,i.e. at 15 and 30 days of plant growth.

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Section: Resultsmentioning

confidence: 99%

Comparative Analysis on Infuence of Cowdung and Neem Leaf Compost Amendment in Soil on Rhizospheric Microorganisms of Tomato Plant

tyagi¹,

Tyagi²

2021

PLANT ARCHIVES

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“…These results are harmony with [80] who found that the populations of N 2 -fixing bacteria, as well as Pand K-solubilizing bacteria were significantly higher than inoculated kiwi fruit plants. In connection, mineral fertilizer combined with PGPR application recorded higher bacteria counts as compared to the control treatment [81,82].…”

Section: Cultural Practices Such As (Fertilizers Pesticides Fungicide...mentioning

confidence: 86%

A Consortium of Soil Bacteria Mediates the Partial Replacement of Mineral Fertilizer for Sustainable Grapevine Cultivation in Sandy Soil

El-Wafa

Abo-Koura

Abdelaziz

et al. 2023

BJI

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The demand for chemical fertilizers in agriculture has increased to deal with the present global population increase. However, the excessive use of chemical fertilizers can be reduced by applying biofertilizers as an eco-friendly tool. Plant growth-promoting rizobacteria (PGPR) has an essential need in terms of fertilizer savings and promoting plant yield. Here, we study the effect of using three (PGPR) bacterial strains “Bacillus nakamurai MSRH1, Bacillus pacificus MSRH3, Paenibacillus polymyxa MSRH5”, integrated with chemical fertilizers (40, 60, 80, 100% need based NPK) on vegetative growth, yield production, and quality of table grapes ‘Flam Seedless’ grown in sand soil during two successive seasons of 2020 and 2021, with a preliminary trial season in 2019. Our results show that amending grapes with NPK in combination with the consortium of three strains led to significant improvement in colonized vines compared to a single application of 100% NPK. Results showed that bacterial consortium combined with 80% and 60% NPK mineral fertilizer had more positive effects than un-inoculated vines in growth parameters, cluster characteristics, yield/vine and berry quality in the two growing seasons. Besides, N, P and K concentrations of leaf petiole, total leaf chlorophyll content, and carbohydrates in canes were significantly enhanced by bacteria consortium with 80% and 60% PK chemical fertilizers. PGPR significantly increased total bacterial count, N2-fixing, P- solubilizing and K-solubilizing bacteria in soil treated with the three strains of bacteria plus mineral fertilizer. In addition, dehydrogenase and phosphatase activity in the rhizosphere soil were also increased in treatments inoculated with strains plus mineral fertilizer. The field study results showed that PGPR approach has potential and can be considered as a crop management strategy to increase the yield and quality of grapes, reduce chemical fertilization and subsequent environmental pollution, and could be useful in terms of sustainable production.

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“…Keanekaragaman hayati pada sistem pertanian kovensional dan organik jauh berbeda, pada pertanian organik penggunaan kompos dan agen hayati lebih diutamakan (Anonim, 2000). Penggunaan berbagai kombinasi bahan organik berupa vermicompost, plant compost pada tanaman kentang menunjukkan kepadatan propagul jamur yang tertinggi didapatkan pada perlakuan kombinasi tanah dan plant kompos (1:2) yaitu 3,29 x 10 3 CFU per g bahan dan yang terendah pada perlakuan tanpa pemberian bahan organik yaitu 1,99 x 10 3 per g bahan (Das et al, 2010). Aplikasi plant compost dan vermicompost dapat meningkatkan populasi mikroba pada rizosfer tanaman kedelai varietas JS80-21 dibanding dengan aplikasi pupuk NPK.…”

Section: Pendahuluanunclassified

“…Hal ini disebabkan karena pada lokasi ini penggunaan pupuk organik sangat diutamakan dan pengendalian OPT menggunakan agens hayati sehingga kepadatan propagul masih tetap tinggi di lokasi ini. Das et al (2010) melaporkan aplikasi berbagai jenis kompos pada budidaya kentang menunjukkan populasi jamur tertinggi terdapat pada perlakuan kombinasi tanah dan plant kompos (1 : 2) dan terendah pada tanpa pemberian bahan organik.…”

Section: Identifikasi Isolat Yang Berpotensi Dalamunclassified

KEANEKARAGAMAN JAMUR PADA Rizosfer TANAMAN CABAI SISTEM KONVENSIONAL DAN ORGANIK DAN POTENSINYA SEBAGAI AGEN PENGENDALI HAYATI Colletotrichum gloeosporioides

Nurbailis

MARTINIUS

Azniza

2014

Jurnal Hama dan Penyakit Tumbuhan Tropika

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Fungal diversity of chili rhizosphere at conventional and organic cropping system and its role as biocontrol agent of Colletotrichum gloeosporioides. The aim of this research was to study fungal diversity in chili rhizosphere at conventional and organic system; to ditermine and identify the fungi that had antagonistic activity against C. gloeosporioides. Diversities of rhizosphere fungi in chili of conventional and organic system were determined by counting the amount of propagule and isolates. Antagonistic activity was examined by dual cultures and slide culture. Identification was determind up to genus level. Propagule density and the amount of isolates in chili rhizosphere of organic system were higher than those in conventional system. Fifty two fungal isolates were found from chili rhizosphere at conventional and organic system, 28 isolates from organic system and 24 isolates from conventional. Ten fungal isolates from chili rhizosphere in organic system and 4 fungal isolates from that in conventional system had antagonistic activity against C. gloeosporioides which cause antracnose on chili. The antagonistic isolates were: Trichoderma, Paecilomyces, Aspergillus and unidentified isolate (X isolate).

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Rhizosphere Microflora of Potato as Affected by Organic Treatments

Cited by 7 publications

References 0 publications

Comparative Analysis on Infuence of Cowdung and Neem Leaf Compost Amendment in Soil on Rhizospheric Microorganisms of Tomato Plant

Comparative Analysis on Infuence of Cowdung and Neem Leaf Compost Amendment in Soil on Rhizospheric Microorganisms of Tomato Plant

A Consortium of Soil Bacteria Mediates the Partial Replacement of Mineral Fertilizer for Sustainable Grapevine Cultivation in Sandy Soil

KEANEKARAGAMAN JAMUR PADA Rizosfer TANAMAN CABAI SISTEM KONVENSIONAL DAN ORGANIK DAN POTENSINYA SEBAGAI AGEN PENGENDALI HAYATI Colletotrichum gloeosporioides

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