南充地区栽培柑桔已有1700多年的历史,现有柑桔970万株。柑桔原产于亚热带,喜温暖潮湿气候,属无呼吸高峰型果实,贮藏条件多为高温高湿,南充地区栽培的柑桔品种中,宽皮桔、温州蜜柑、柠檬等占少数,而80％为甜橙,此种甜橙皮厚、肉酸(含酸量达1.5％),种子多(平均23粒), Nanchong citrus cultivation has more than 1,700 years of history, the existing citrus 9.7 million. Citrus native to the subtropical, hi warm and humid climate, is a non-respiratory peak fruits, storage conditions are mostly high temperature and humidity, Nanchong cultivated citrus varieties, wide skin orange, mandarin, lemon and other minority, and 80 % Is sweet orange, this sweet orange peel thick, meat acid (acid content up to 1.5%), more seeds (average 23)