Rhizosphere competent Mesorhizobiumloti MP6 induces root hair curling, inhibits Sclerotinia sclerotiorum and enhances growth of Indian mustard (Brassica campestris)

By S. Chandra, Kamlesh Choure, R. Dubey, D. K. Maheshwari. 2007

142 citations recorded by the source corpus.

The bacterial strain Mesorhizobium loti MP6, isolated from root nodules of Mimosa pudica induced growth and yield of Brassica campestris. The isolate MP6 secreted hydroxamate type siderophore in Chrom-Azurol Siderophore (CAS) agar medium. Production of hydrocyanic acid (HCN), indole acetic acid (IAA) and phosphate solubilizing ability was also recorded under normal growth conditions. Root hair curling was observed through simple glass-slide technique. In vitro study showed a significant increase in population of M. loti MP6 in rhizosphere due to root exudates of B. campestris. In dual culture technique the strain showed a strong antagonistic effect against Sclerotinia sclerotiorum, a white rot pathogen of Brassica campestris. The growth of S. sclerotiorum was inhibited by 75% after prolonged incubation. Efficient root colonization of mustard seedlings was confirmed by using a streptomycin-resistant marker M. loti MP6strep+. The M. loti MP6 coated seeds proved enhanced seed germination, early vegetative growth and grain yield as compared to control. Also, a drastic decline (99%) in the incidence of white rot was observed due to application of M. loti MP6.

Subfields: Agronomy and Crop Science, Plant Science

View Paper: https://www.semanticscholar.org/paper/6ca671358074355610ecdb2497cfab80bf1ca041

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In Agronomy and Crop Science

1. I. Ahmed
2. R. Hayat

In Plant Science

1. R. Awasthi
2. Rabia Khalid
3. I. Ahmed
4. Rupinder Tewari
5. Safdar Ali
6. H. Nayyar
7. R. Hayat
8. Ummay Amara

Citations in the corpus

• Synergy between Plants and P-Solubilizing Microbes in soils: Effects on Growth and Physiology of Crops (2011, background): “…B.polymyxa Gaind and Gaur, 1990; Kaul et al., 1999 B.licheniformis, B.amyloliquefaciens, B.atrophaeus Vazquez, 2000 B. megaterium, B. phosphaticum Sundara et al., 2002 B. cerus Chandra et al., 2007 B. subtilis Chatli et al., 2008 Paenibacillus marceras Krishnaewamy et al., 2009 Table 2.”
• Soil beneficial bacteria and their role in plant growth promotion: a review (2010, background): “Mesorhizobium loti MP6, Chrom-azurol, siderophore (CAS), hydrocyanic acid (HCN), indole-3-acetic acid Brassica Mesorhizobium loti MP6-coated seeds enhanced seed germination, early vegetative growth and grain yield as compared to control Chandra et al. (2007)”