All aerobic biological systems, including N2-fixing root nodules, are subject to O2 toxicity that results from the formation of reactive intermediates such as H2O2 and free radicals of O2. H2O2 may be ...

Journal of Experimental Botany, Vol. 21, No. 68 (August 1970), pp. 776-786 (11 pages) Root temperature greatly affected plant growth whether or not plants depended on symbiotic nitrogen fixation. The ...

U.S. soybean farmers face a $1 billion problem each year in the form of yield losses from soybean cyst nematode (SCN). 1 Yet rather than throw up your hands in defeat, get down in the soil and get ...

MR. VINCENT, who courteously sent me a copy of this letter before publication, suggests that the juice from roots bearing effective nodules is more stimulating to the growth of Rhizobium as a result ...

Although soybeans generally supply up to 90% of their own nitrogen needs through their beneficial relationship with Rhizobium bacteria 1 and via the soil 2, there are several factors that can limit ...