Abstract
A study was conducted from 1988 to 1990 at National Agricultural Research Centre, Islamabad to evaluate twelve varieties of Sweet Ornage (Citrus sinensis L. Osbeck). Campbel Valencia produced 62.00 kg fruit plant'! with average fruit weight of 206.67 g. Fruit of Casa Grande were the heaviest in weight (226.67 g) while smallest and lightest fruits were produced by Ruby Red (155.00 g). Because of red Ilcsh and sweetness, Ruby Red and Blood Red were promising. In general, Sweet Orange varieties Salustiana, Pineapple and Casa Grande seem promising for economic returns. Campbel Valencia because of high acidity and juice volume could find better scope in the processing industry.
