EXPLORATIONS DIVERSITY OF DIOSCOREA SPP. VARIETIES FROM PASURUAN, EAST JAVA: INVENTORY AND CHARACTERIZATION
ABSTRACT: Dioscorea spp. is
the edible tubers from Dioscoreaceae family. Dioscorea is also an important
crop which serves as a staple food and medicine. Discoreaceae exploration
collecting mission had been conducted in 10 Districts of Pasuruan, East Java.
Forty-four accessions were obtained during the exploration. It comprised of 5
species and 29 varieties i.e. 17 varieties of Dioscorea alata L., 8 varieties
of Dioscorea his-pida Dennst., 2 varieties of Dioscorea esculenta (Lour.)
Burkill., 1 variety of Dioscorea pentaphylla L. and 1 variety of Dioscorea
bulbifera L. The results showed that morphological characteristic features of
Dioscorea spp. tubers were broadly varied among species and even within
varieties at the same species. Dioscorea spp. varieties ori-ginated from
Pasuruan were mostly character-ized by its tuber shape, tuber flesh colour,
outer and inner skin colour and tubers
skin texture. Based on the interviews to local farmers, D. alata and D. hispida
varieties were still widely grown because of its high tuber yields and its most
acceptable taste than other Dioscorea species.
Author: Fauziah, S. Mas'udah
Journal Code: jppertaniangg150021
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