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  • 1
    Electronic Resource
    Electronic Resource
    Rhizobium sp. exopolysaccharide production, nodulation, and acetylene reduction activity (N2-fixation) in pigeon pea (Cajanus cajan L.) (1991)
    Springer
    Biology and fertility of soils 11 (1991), S. 30-33 
    Details
    ISSN: 1432-0789
    Keywords: Rhizobium spp. ; Bradyrhizobium spp. ; Cajanus cajan ; Pigeonpea ; Exopolysaccharide ; Nodulation ; Acetylene reduction assay
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Geosciences , Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary There was no correlation between the quantity of exopolysaccharide produced and acetylene reduction activity by Rhizobium spp. or by Bradyrhizobium spp. (Cajanus). The exopolysaccharide-defective mutants of Rhizobium sp. strain P 116 either failed to nodulate or showed a decrease in effectiveness. The deficiency in exopolysaccharide production was corrected by the addition of purified exopolysaccharide from the parent strain, or from Bradyrhizobium sp. strain P 149 or S24 isolated from pigeonpea (Cajanus cajan) and mungbean (Vigna radiata), respectively. However, the nodules so formed were not fully effective compared to those formed by the parent strain.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00335830
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  • 2
    Electronic Resource
    Electronic Resource
    Fungitoxicity of some higher plants againstRhizoctonia solani (1983)
    Springer
    Plant and soil 72 (1983), S. 91-94 
    Details
    ISSN: 1573-5036
    Keywords: Anti-fungal activity ; Chenopodium ambrosioides ; Fungitoxicity ; Rhizoctonia solani
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Leaves ofChenopodium ambrosioides exhibited strong fungitoxicity against the mycelial growth ofRhizoctonia solani causing damping off diseases of some seedlings. Minimum inhibitory concentration of the fungitoxic constituent isolated in form of essential oil, was found to be 1000 ppm at which it was fungicidal in nature. It exhibited broad range of antifungal activity and did not show any phytotoxicity on the germination and seedling growth ofPhaseolus aureus.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02185098
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