Concepedia

H. J. Hopen

HJ

17

Publications

464

Citations

12

H-Index

1967

Active since

Affiliations

University of Illinois Urbana-Champaign(Current)

Mercyhurst University

University of Wisconsin–Madison

Urbana University

H. J. Hopen is an author at University of Illinois Urbana-Champaign specializing in botany, crop protection, and engineering.

Top concepts

Publications per year

1967–1993

17

Publications

17

Photodynamic herbicides: 1. Concept and phenomenology

Constantin A. Rebeiz, A. Montazer-Zouhoor, H. J. Hopen et al. · Enzyme and Microbial Technology · 1984 · 219 citations

, , +4

Plant Density and Herbicides Affect Cucumber Productivity

Jack E. Staub, Larry D. Knerr, H. J. Hopen · Journal of the American Society for Horticultural Science · 1992 · 27 citations · Full text

, , +9

Uptake, Translocation, and Adsorption of Pronamide

W. C. Carlson, E. M. Lignowski, H. J. Hopen · Weed Science · 1975 · 24 citations

, , +20

Mechanism of Intraspecific Selectivity of Cabbage to Nitrofen

José Francisco Martins Pereira, Walter E. Splittstoesser, H. J. Hopen · Weed Science · 1971 · 24 citations

, , +13

A Numerical Taxonomic Study of <i>Portulaca oleracea</i>

S. F. Gorske, A. M. Rhodes, H. J. Hopen · Weed Science · 1979 · 18 citations

, , +18

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