Vol 21 (1991)

Table of Contents

Research Articles

Dubious or disappeared phanerogamic species from Romania
Denes PAZMANY, Eugenia CHIRCA
PDF
55-62
Research on the biology of Echinacea pallida Nutt. and Echinacea purpurea (L.) Moench (II)
Leon Sorin MUNTEAN, Alexandru SALONTAI, Constantin BOTEZ, Mircea TAMAS, Solovastru CERNEA, Gavrila MORAR, Felicia VAIDA
PDF
63-72
Competition between Medicago sativa and Dactylis glomerata in mixed culture
Ioan ROTAR, Aurelia MOLDOVAN
PDF
73-80
The chlorophyllian and carotenoidical pigments content variations in the fresh and dryed leaves of Taraxacum officinale depending on some drying conditions and of the harvesting period
Crenguta TABACARU, Carmen SOCACIU, Gavrila NEAMTU
PDF
81-87
Research regarding the medium contents for "in vitro" meristem micropropagation of grape vine
Tiberiu SUCIU, Stefania GADEA, Olimpiu HENEGARIU
PDF
89-95