PJB-2004-9
TOWARDS A SEEDLESS CULTIVAR OF KINNOW MANDARIN VII. NATURAL AND INDUCED VARIABILITY
NAFEES ALTAF, M. MOHSIN IQBAL AND EHSAN ULLAH KHAN
Abstract
Plants were made from natural and induced variability to improve the Kinnow plant and especially the fruit quality. There are differences among fruits in developed and undeveloped seed number and so are differences in various tissue grafting responses. Nine % selected material did not sprout even after several months of grafts and ultimately died. One third of the grafts did not work may be because of nature of selected mutated tissue, incompatibility of tissue to rough lemon etc. Around half of the grafts showed leaf abscission under stress. The successful growing clones in the field will be tried for their fruit characteristics and selected clones will be multiplied and released as cultivars. Five clones proved to be low seeded with 0 – 6 seeds per fruit. About 80% of Kinnow nucellus has plant regeneration responses. The plants developed from nucellar calli, radiation and 8-hydroxy quinoline were developed. The sprouts selected from different vegetative characteristics branches were grafted on rough lemon to study induced mutations and for selection of quality fruit.
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