Vol 19 (1989)

Table of Contents

Research Articles

List of rare, endemic and threatened plants in Romania (II) Abstract PDF
I. MOLDOVAN, Denes PAZMANY, L. DRAGOS 67-80
Investigations on biological control of weeds in Romania Abstract PDF
Teodosie PERJU, Alexandru SALONTAI 81-84
Seminifagous insects growing on inflorescences of Centaurea species (Asteraceae) Abstract PDF
Teodosie PERJU, I. MOLDOVAN 85-90
Research on the biology of Echinacea angustifolia (Dc.) Moench and Echinacea purpurea (L.) Moench Abstract PDF
Leon Sorin MUNTEAN, Alexandru SALONTAI, Mircea TAMAS, Constantin BOTEZ, Felicia VAIDA 91-100
New natural carotenoid sources. V. Chlorophyll and carotenoid content of Beta vulgaris Abstract PDF
Gavrila NEAMTU, Zoltan NAGY, C. DORNEA 101-106