Ray Ruby • Uncertain Origin Discovered in 1970 in the Property of R
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1 Foster 2 • First pigmented grapefruit variety in 1907. • Seedy • Limb sport of Duncan • Has lycopene in juice sac and in peel 2 Thompson or Pink Marsh • First seedless pigmented selection • Bud mutation of Marsh Seedless 3 Ruby Red, Red Blush, Henninger • Bud mutation of Thompson 1926 by Henninger at McAllen, TX. • Apart from color it is identical to Marsh grapefruit 4 Ray Ruby • Uncertain origin discovered in 1970 in the property of R. Ray in Mission, TX. • Sweeter than Ruby with better internal color. 5 Star Ruby • Irradiating seed from Hudson by Hensz, TX. • Pigmented until the end of the season. • Slow growing and bush. growth habit Susceptible to foot rot, herbicide sensitive 6 Flame 2 • Seed collected from Henderson • Internal pigmentation is as good as Star Ruby 7 Rio Red • Originated as a seedling of Ruby Red • Irradiated and propagated on sour orange root stock • Released in 1984 8 Grapefruit varieties 9 C. indica - Indian wild orange • Unpalatable loose- skinned fruit. • Tanaka calls it Metacitrus • Wild state in northeastern India. 10 C. tachibana • Tachibana orange • Cold hardy, loose skinned fruit • ‘Shekwasha’ probably hybrid of this species • Very primitive type citrus native to Japan. 11 Papeda Subgenus • Inedible with acrid oil droplets in juice vesicles • Flowers and fruit small • Petioles long and broader than Eucitrus • C. ichangensis and C. latipes 12 C. ichangensis • Most hardy evergreen citrus • Monoembryonic and hybridizes readily with Citrus • ‘Yuzu’ and ‘Ichang’ lemons are hybrids. 13 C. latipes • Cold hardy like C. ichangensis –Thicker peel and more variable leaves. 14 C. micrantha • Small fruits • Native to Philippines • Includes ‘Microcarpa’ - –smallest fruit and flowers in Citrus 15 C. clebica • Small thick peeled fruit • Native to Celebes • Thin-skinned ‘Southwikii’ 16 C. macroptera • Leaves 10-12 inches long • Fruit as large as sweet oranges • Another species is: –C. hystrix a very bumpy warty fruit. 17 The Avocado • Lauraceae family • Persea americana –Related to cinnamon, camphor, and sassafras trees –Cultivars in West Indian and Guatemalan races. –Thick peel, salt tolerant. 18 Persea drymifolia • Mexican race from highlands in Mexico. • Leaves posses aromatic odor - anise or sassafras. • Thin fruit peel • Cold hardy 19 THE END 20.