Giritharan, O.Arulandhy, V.2020-09-022020-09-021994-1995Tropical Agriculturist, 150:p.65-69https://dl-doa.nsf.gov.lk/handle/1/2608Plant GeneticsFirst filial generationHeterotic effectHybrid vigourOkraAbelmoschus esculentus (L.)Studies on hybrid vigour in the crosses of okra (Abelmoschus esculentus) (L.) (Moench) genotypes of diverse originArticle