R. J. Constantin

Variations in the secondary metabolite camptothecin in relation to tissue age and season in Camptotheca acuminata

Zhili Liu, S. B. Carpenter, Wayne J. Bourgeois et al. · Tree Physiology · 1998 · 98 citations

Cpt Concentration, Botany, Secondary Metabolite +21

Fungicide management strategies for control of strawberry fruit rot diseases in Louisiana and Mississippi

David E. Wedge, Barbara J. Smith, J. P. Quebedeaux et al. · Crop Protection · 2007 · 83 citations

Fungicide Management Strategies, Engineering, Crop Protection +7

Camptothecin production in <i>Camptotheca acuminata</i> seedlings in response to shading and flooding

Zhijun Liu, Stanley B. Carpenter, R. J. Constantin · Canadian Journal of Botany · 1997 · 49 citations

Biology, Heavy Shade, Engineering +15

Effects of Irrigation and Nitrogen Fertilization on Quality of Sweet Potatoes1

R. J. Constantin, Travis P. Hernandez, L. G. Jones · Journal of the American Society for Horticultural Science · 1974 · 28 citations · Full text

Nutrition, Protein Content, Crop Production +14

Influence of soil fertilization, plant spacing, and cokppicing on growth, stomatal conductance, abscisic acid, and camptothecin levels in <i>Camptotheca acuminata</i> seedlings

Zhijun Liu, John C. Adams, H. P. Viator et al. · Physiologia Plantarum · 1999 · 25 citations

Plant Spacing, Plant-soil Interaction, Soil Fertilization +11