V. A. Helson

LEAF GROWTH IN MARQUIS WHEAT, AS REGULATED BY TEMPERATURE, LIGHT INTENSITY, AND DAYLENGTH

D. J. C. Friend, V. A. Helson, J. E. Fisher · Canadian Journal of Botany · 1962 · 112 citations

Engineering, Photorespiration, Botany +19

THE EFFECT OF LIGHT INTENSITY AND TEMPERATURE ON FLORAL INITIATION AND INFLORESCENCE DEVELOPMENT OF MARQUIS WHEAT

D. J. C. Friend, J. E. Fisher, V. A. Helson · Canadian Journal of Botany · 1963 · 84 citations

Biology, Final Leaf Number, Developmental Biology +12

THE RATE OF DRY WEIGHT ACCUMULATION IN MARQUIS WHEAT AS AFFECTED BY TEMPERATURE AND LIGHT INTENSITY

D. J. C. Friend, V. A. Helson, J. E. Fisher · Canadian Journal of Botany · 1962 · 45 citations

Engineering, Botany, Agricultural Economics +17

Thermoperiodic Effects on the Growth and Photosynthesis of Wheat and Other Crop Plants

D. J. C. Friend, V. A. Helson · Botanical Gazette · 1976 · 38 citations

Other Crop Plants, Net Photosynthesis, Engineering +12

CHANGES IN THE LEAF AREA RATIO DURING GROWTH OF MARQUIS WHEAT, AS AFFECTED BY TEMPERATURE AND LIGHT INTENSITY

D. J. C. Friend, V. A. Helson, J. E. Fisher · Canadian Journal of Botany · 1965 · 37 citations

Engineering, Health Sciences, Botany +14