Pisum sativum 'Little Marvel' RNA extracted from nodules (30 dpi) - 100 bp
P. sativum 'Little Marvel' seeds were planted in Leonard jars containing vermiculite and perlite (3 to 1 mixture) and inoculated with Rhizobium leguminosarum bv. viciae USDA 2370. Plants were watered with 0.25X Hoagland's nitrogen-free nutrient solution and grown in a growth chamber at 22C and with a 16 h photoperiod. RNA was extracted from nodules harvested 30 days post inoculation.