ISSN:
1432-0789
Keywords:
Key wordsRhizobium leguminosarum biovar viciae
;
Pisum sativum
;
Nitrate
;
Naringenin
;
Flavonoids
;
Nodulation
;
Acetylene reduction activity
Source:
Springer Online Journal Archives 1860-2000
Topics:
Biology
,
Geosciences
,
Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
Notes:
Abstract A rhizosphere application of NO and/or naringenin affected the Pisum sativum–Rhizobium leguminosarum biovar viciae symbiosis. NO (5 mM) lowered while naringenin raised the nodulation status (nodule numbers and weight) and nodule efficiency (C2H2 reduction activity). However, the inhibitory effect of NO was to some extent alleviated when applied in combination with naringenin. The plant biomass was increased by the application of NO and naringenin, either alone or in combination, while a higher root:shoot ratio was observed only in the naringenin-treated plants. Root flavonoids are known to regulate the expression of nod genes; their high-performance liquid chromatography profile was influenced in different ways by NO and naringenin.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1007/BF00335933
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