Expression of Three Members of ACC Synthase Gene Family in Sugarcane Induced by Hormones and Environmental Stress Expressions of Three Members of ACS Gene Family Induced by Ethephon Relationship of Ethylene Production and Sugar Accumulation in Sugarcane Stems Analysis for Anti-oxidation Metabolism of Variation Lines of Sugarcane Introduced Exogenous DNA under Osmotic Stress Cloning and Expression Analysis of Cytosolic Malate Dehydrogenase Gene from Sugarcane AFLP Molecular Analysis of Genetic Difference between Cultivars in Sugarcane(Saccharum officinarum L.) The Effects of Sole Glyphosate or Adding Nutrient as Chemical Ripener in Sugarca ne (Saccharum of ficinarum L.) under Drought Condition