Studies on the leaf blotch disease of costus speciosus (Koen.) Sm.
Studies on the leaf blight of java citronella (Cymbopogon Winterianus Jowitt) & its control
Studies on the leaf bloth disease of costus speciosus (koen) sm.
Study on leaf blight disease of citronella java (cymbopogon winterianus jowitt) & its control
