Polymer-entrapped rhizobium as an inoculant for legumes

Field and cylinder experiments conducted in France and in Senegal showed that polyacrylamide, previously proposed as an entrapping gel for preparing Rhizobium inoculants, could be replaced by alginate (AER inoculant) or a mixture of xanthan and carob gum (XER inoculant). Semi-dried or dried AER and...

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Bibliographic Details
Published in:Plant and soil 1982-01, Vol.65 (2), p.219-231
Main Authors: JUNG, G., MUGNIER, J., DIEM, H. G., DOMMERGUES, Y. R.
Format: Article
Language:English
Subjects:
Alginates
Gels
Inoculation
Nodules
Peat
Rhizobium
Seed inoculation
Seeds
Soil inoculation
Storage time
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Summary:Field and cylinder experiments conducted in France and in Senegal showed that polyacrylamide, previously proposed as an entrapping gel for preparing Rhizobium inoculants, could be replaced by alginate (AER inoculant) or a mixture of xanthan and carob gum (XER inoculant). Semi-dried or dried AER and XER were used successfully provided that their storage time was less than 90 days. In soil inoculation trials, no marked differences were observed among semi-dried XER, dried AER, and dried XER. A number of seed inoculation experiments indicated that dried XER significantly outranked AER. Seeds preinoculated by up to 48 days with XER yielded plants which were comparable in nodulation and growth parameters to those derived from plant receiving peat inoculation at the time of planting.
ISSN:0032-079X
1573-5036
DOI:10.1007/BF02374652