Studies on Vegeta tive Propaga tion Coeff ic ient of L ycoris radia ta and Biolog ica lCharacters’D iversities of Cormel in D ifferent Developmen t Pha se Knots’ Rings in Different Development Phases for Larch Plantations Analysis on domestic patent documents of Gingko biloba in recent 20 years Effects of Ficus semicordata Characteristics at Female Phase on the Choice of Pollinating Fig Wasp