Potato growth in response to relative humidity.
Potato plants (Solanum tuberosum L. cvs. Russet Burbank, Norland, and Denali) were grown for 56 days in controlled-environment rooms under continuous light at 20C and 50% or 85% RH.  No significant differences in total plant dry weight were measured between the humidity treatments, but plants grown under 85% RH produced higher tuber yields.  Leaf areas were greater under 50% RH and leaves tended to be larger and darker green than at 85% RH.
Wheeler
R M
RM
Department of Horticulture, University of Wisconsin, Madison 53706, USA.
Tibbitts
T W
TW
Fitzpatrick
A H
AH
D018533:Biomass; D018504:Ecological Systems, Closed; D004780:Environment, Controlled; D006813:Humidity; D008027:Light; D010788:Photosynthesis / Q000502:physiology; D018515:Plant Leaves / Q000254:growth & development / Q000502:physiology; D018547:Plant Stems / Q000254:growth & development / Q000502:physiology; D011198:Solanum tuberosum / Q000254:growth & development* / Q000502:physiology; D013696:Temperature; D013997:Time Factors