Table 3: Regression equations of stomatal conductance ( ) versus PPFD levels of recently mature leaflets of irrigated soybean at growth stages R3, R4, and R5 grown using the Early Soybean Production System at Stoneville, MS, in 2011 and 2012 .

SiteGS2011 2012
20112012

BosketR3 0.97 0.94
R4 0.90 0.95
R5 0.21 0.98

DundeeR3 0.99 0.99
R4 0.84 0.98
R5 0.63 0.99

Calculated from the means of 3 plants, 3 cultivars (94B73, AG 4303, and AG 5503), and 3 replications.