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奉园９１脐橙９８９～１９９０年在奉节县园艺场大面积奉园７２－１脐橙园内进行提纯选优，１９９１年从选出的２５０余株中又选出奉园９１－１号和奉园９１－２号两个单株。通过７年来连续观察母树、嫁接后代和高接换种植株，果实较奉园７２－１脐橙早熟１５天左右，果大...
Bongyuan 91 navel orange 989 ~ 1990 Fengjie County horticultural field in a large area Fengyuan 72-1 navel orange purification purification, selected from the more than 250 in 1991 and elected Park No. 91-1 and Feng Yuan 91-2 two plants. After seven years of continuous observation of the mother tree, grafted offspring and high-yielding plants, fruit than Feng 72-1 navel orange precocious 15 days or so, big fruit ...