Improvement of fruit quality and bearing of "Kiyomi" tangor by pollination with tetraploid natsudaidai [Citrus natsudaidai]

agrume agrume hybride anatomia anatomie anatomy cell structure chromosome chromosome number chromosomes citrus crosses citrus fruits cromosomas crops cultivos economic plants estructura celular fisiologia fonction physiologique fruit crops frutales nombre chromosomique noyau cellulaire nucleo nucleus physiological functions physiologie physiology plant anatomy plantas plante plante de culture plants poliploide pollination pollinisation polyploids reproduction structure cellulaire tangor tangors tetraploids