Fig. 1

New shoots and fruits of the parents of the four families. a: ‘Red Zaosu’, b: ‘PremP109’, c: ‘Korla pear’, d: ‘Whangkeumbae’, e: ‘Hongbaoshi’
New shoots and fruits of the parents of the four families. a: ‘Red Zaosu’, b: ‘PremP109’, c: ‘Korla pear’, d: ‘Whangkeumbae’, e: ‘Hongbaoshi’