Effects of Plant Growth Regulators on Induction of Multiple Shoots From Stem Apex of Immature Embryo in Wheat EFFECT OF 6-BA ON REGENERATION OF SOYBEAN COTYLEDONARY NODE Germination of Axillary Buds from Stem Segments and Proliferation of Multiple Shoots of Cyclocarya paliurus Highly Efficient regeneration System for Multiple Shoots in Perennial Ryegrass