grown in California because of its high productivity, wide soil adaptability, seedless fruit, and versatility for use in different grape and raisin products. About 95 percent of California raisins are currently produced from ‘Thompson Seedless’ grapes, followed by ‘Fiesta’ (3 percent) and ‘Zante Currant’ (1.5 percent). The remainder are produced from ‘DOVine,’ ‘Muscat of Alexandria,’ “Sultana” ...

embryogenic calli production in vitis is mainly possible by use of such regenerative tissues as anther and ovary. because of long periods of time required for obtaining such tissues, use of such vegetative organs as leaf explant would be a promising alternative. towards this end, leaf explants were taken from two varieties of ‘flame seedless’ and ‘red sultanina’ to be raised in. ms medium, cons...