Fertility Responses to Drought Injury at Booting Stage of Rice Maintainers and Remedy Effects of Water Complement Expression of PttGA2Oox1 Gene in Transgenic Tobaccos Plants Leaf Downward Curvature and Delayed Flowering Caused by AtLH Overexpression in Arabidopsis thaliana Relationships among light conditions, crown structure and branch longevity: a case study in Osmanthus fragrans and Metasequoia glyptostroboides Fragment Propagation and Colonization Ability Enhanced and Varied at Node Level after Escaping from Apical Dominance in Submerged Macrophytes