6.4 乙乙 ethylene 6.4.1 乙乙 : 1. Girardin(German,1864) found that city ’s gas lights leaf abscission in near by trees . 1901 Neljubow in St. Peter sburg Russia b/c of use in city’s gas lights. Caused many responses: dwarf stem, fat stem, agravitropism in stem ; also leaf abscission in nearby tree s. Identified ethylene from the gas as the causative agent. 2. 1910 Cousin found Oranges cause banan as to ripen prematurely 3. 1934 Gane found Ethylene is a natural product (plant hormone?) from apple.
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6.4 乙烯 ethylene
6.4.1 发现 :1. Girardin(German,1864) found that city’s gas ligh
ts leaf abscission in nearby trees . 1901 Neljubow in St. Petersburg Russia b/c of use in city’s gas lights. Caused many responses: dwarf stem, fat stem, agravitropism in stem; also leaf abscission in nearby trees. Identified ethylene from the gas as the causative agent.
2. 1910 Cousin found Oranges cause bananas to ripen prematurely
3. 1934 Gane found Ethylene is a natural product (plant hormone?) from apple.
4. Forgotten for many years as possible hormone....5. 1959 Burg & Thimann rediscover old research and be
gin studies showing ethylene as possible hormone (GC technique)