scholarly journals Investigations on the root nodule bacteria of leguminous plants

1936 ◽  
Vol 30 (3) ◽  
pp. 377-381 ◽  
Author(s):  
Artturi Ilmari Virtanen ◽  
Tauno Laine
Keyword(s):  
Root Nodule ◽  
Nodule Bacteria ◽  
Leguminous Plants ◽  
Root Nodule Bacteria

scholarly journals Investigations on the root nodule bacteria of leguminous plants

1939 ◽  
Vol 33 (4) ◽  
pp. 412-427 ◽  
Author(s):  
Artturi I. Virtanen ◽  
T. Laine
Keyword(s):  
Root Nodule ◽  
Nodule Bacteria ◽  
Leguminous Plants ◽  
Root Nodule Bacteria

ROOT NODULE BACTERIA OF SOME TROPICAL LEGUMINOUS PLANTS

Soil Science ◽  
1936 ◽  
Vol 42 (1) ◽  
pp. 61-77 ◽  
Author(s):  
O. N. ALLEN ◽  
ETHEL K. ALLEN
Keyword(s):  
Root Nodule ◽  
Nodule Bacteria ◽  
Leguminous Plants ◽  
Root Nodule Bacteria

ROOT NODULE BACTERIA OF SOME TROPICAL LEGUMINOUS PLANTS

Soil Science ◽  
1939 ◽  
Vol 47 (1) ◽  
pp. 63-76 ◽  
Author(s):  
O. N. ALLEN ◽  
ETHEL K. ALLEN
Keyword(s):  
Root Nodule ◽  
Nodule Bacteria ◽  
Leguminous Plants ◽  
Root Nodule Bacteria

Investigations on the root nodule bacteria of leguminous plants. XVII. Continued investigations on the effect of air content of the medium on the development and function of the nodule

1936 ◽  
Vol 26 (2) ◽  
pp. 281-287 ◽  
Author(s):  
Artturi I. Virtanen ◽  
Synnöve v. Hausen
Keyword(s):  
Root Nodule ◽  
Nodule Bacteria ◽  
Leguminous Plants ◽  
Liquid Cultures ◽  
Root Nodule Bacteria ◽  
Air Content ◽  
And Function ◽  
Distinct Increase

The effect of the air content of the medium on the development and function of the nodule was studied with sterile cultures of peas inoculated with their appropriate strain of nodule bacteria.In water cultures the plant grows well without added nitrogen, even though all nodules are submerged, if air is bubbled through the medium during the period of growth. Abundant nodulation occurs also in nonaerated liquid cultures; the nodules, however, are much smaller than in aerated cultures, and the plant grows poorly. Subsequent aeration of such cultures results in a distinct increase in the size of the nodules and improvement in the growth of the plant.Nodulation is completely prevented by passing a stream of gaseous N through the medium. That oxygen is indispensable for the function of the nodules is shown also by the fact that the peas grow excellently on added nitrogen in non-aerated cultures.

Root Nodule Bacteria and Leguminous Plants

Ecology ◽  
1940 ◽  
Vol 21 (1) ◽  
pp. 94-95
Author(s):  
C. Stuart Gager
Keyword(s):  
Root Nodule ◽  
Nodule Bacteria ◽  
Leguminous Plants ◽  
Root Nodule Bacteria
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