ISHS Acta Horticulturae 369: Symposium on Small Scale vegetable production and Horticultural Economics in Developing Countries
SELECTION FOR COLD HARDINESS SWEET POTATOES FROM BALIEM VALLEY BY IN-VITRO CULTURE |
| Abstract:
Thirty seven cultivars of sweet potatoes from Baliem valley of Irian Jaya, Indonesia were cultured in-vitro on MS basal medium + 37.3 mg/l Na2EDTA + 0.03 ppm NAA + 0.3 ppm BAP + 50 g/l sucrose. Among them, 30 cultivars survived and grew into calli, produced shoot and/or roots. To induce regeneration, no growth regulators were included in the medium however, satisfactory result were obtained. In-vitro culture responses to low temperature of 10°C for one month were evaluated. Among 20 cultivars withstood low temperature, only 7 cultivars showed promising result. The cultures were dormant for a couple of days after the treatment but later grew comparably to the control. | |
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