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NITROGEN FIXATION AND BIOMASS PRODUCTION IN CLONES OF ALNUS INCANA
Author(s) -
HUSSDANELL KERSTIN
Publication year - 1980
Publication title -
new phytologist
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.742
H-Index - 244
eISSN - 1469-8137
pISSN - 0028-646X
DOI - 10.1111/j.1469-8137.1980.tb00765.x
Subject(s) - nitrogen fixation , nitrogenase , nitrogen , botany , biomass (ecology) , biology , cutting , inoculation , shoot , clone (java method) , horticulture , agronomy , chemistry , organic chemistry , dna , genetics
S ummary Nitrogen fixation, growth, biomass production and nitrogen content of seven clones from grey alder ( Alnus incana (L.) Moench) were compared. Rooted green cuttings, inoculated with a root nodule suspension, were grown without combined nitrogen in a growth chamber for nine weeks. Nitrogenase activity (C 2 H 2 reduction) was repeatedly measured in intact plants, and biomass and nitrogen content were measured at the end of the growth period. There were considerable, often significant, differences between clones in most of the studied parameters. Within each clone a very close correlation between various parameters was found. It was suggested that the value of any one variable which was easy to measure, such as shoot length, may be used for the prediction of the response of other variables when clones are grown together under the same conditions.