ROOT AND SHOOT INITIATION IN SWEET POTATO EXPLANTS AS RELATED TO POLARITY AND NUTRIENT MEDIA VARIATIONS

摘要: Ipomoea batatas explants were cultured on White's basal salt medium, with or without supplements, and grown under 500 ft-c, a 12-hr photoperiod, at 25 C The amount of callus number roots formed depended upon tissue polarity, explant orientation, cultivar response, culture medium A slight the upper surface cylinders, normally oriented taken from apical portions root Inverted cylinders those median portion heavy relatively less lower Centennial produced most when + indoleacetic acid (IAA) 2,4-dichlorophenoxyacetic (2,4-D), while Jersey Orange only slightly same abundant IAA adenine, more than Yellow three cultivars studied kinetin...