Chapter 7 BREEDING FOR HETEROSIS 种优 B ngee
Chapter 7 BREEDING FOR HETEROSIS 杂种优势育种 BY Niu Yingze （牛应泽） Dept. of Plant Breeding and Seed Engineering
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81 Utilization of Heterosis in Plant Production 杂种优势在生产上的利用 1. What is Plant Heterosis? p. 117 2. Discovery and History of Heterosis Animals Horse x donkey, 1400 years ago, China Plants The emergent period Kolreuter(1761-1766: Hybrid Tobacco, Darwin(1860S ): Hybrid maize vigor Mendel(1860s): Pea, hybrid vigor Maize: Beal(1876): Varietal maize hybrids
§1 Utilization of Heterosis in Plant Production 杂种优势在生产上的利用 1. What is Plant Heterosis? p. 117 2. Discovery and History of Heterosis Animals Horse x donkey, 1400 years ago, China Plants The Emergent Period Kolreuter(1761-1766): Hybrid Tobacco, Darwin(1860’s) : Hybrid maize vigor Mendel(1860’s) : Pea, hybrid vigor Maize: Beal(1876): Varietal maize hybrids
The foundation period .Maize: Shull(1905-09); East(1908): Inbred lines- Single cross Shull(1914): The term HETEROSIS for hybrid vigor Jones(1918): Double cross H.A. Wallace: Pioneer Hi-Bred Corn Conpany The Development period . Maize: 1920-1960s Double cross/Three-way cross/Single cross . Sorghum: Three-line hybrid; Use of cms-System, 1950s Rice: Heterotic Hybrid rice, three-line system The Father Yuan Longping, 1964-1972 .Rape: Hybrid Rapeseed, three-line types; The Father Li Dianrong: The 1st hybrid rape variety The Pioneer Fu Tingdong: The Polima cms .Other crops: More and more
The Foundation Period •Maize: Shull(1905-09); East(1908): Inbred lines - Single cross Shull (1914): The term HETEROSIS for hybrid vigor Jones(1918 ): Double cross H. A. Wallace: Pioneer Hi-Bred Corn Conpany The Development Period •Maize: 1920-1960’s Double cross/Three-way cross/Single cross •Sorghum: Three-line hybrid; Use of cms-System, 1950’s •Rice: Heterotic Hybrid rice, three-line system The Father Yuan Longping, 1964-1972 •Rape: Hybrid Rapeseed, three-line types; The Father Li Dianrong: The 1st hybrid rape variety The Pioneer Fu Tingdong: The Polima cms •Other Crops: More and more