论文部分内容阅读
玫瑰是蔷薇科蔷薇属丛生灌木植物。主要根系分布于地下15~50厘米的土层中,多为水平根。花冠直径6~8厘米,单花重1.8~2克,花芽分化与萌动期要求气温2℃左右,花蕾出现后10~15天开花,多在早晨5~8时开放,花开至花谢需1.5~2天。1~2年生玫瑰一般处于营养生长阶段无花;2年生开始向生殖生长转化,有个别的开花;3年生开始大量开花;4~5年达开花高峰;6~10年逐渐衰老。玫瑰具有
Rose is Rosaceae Rosaceae bush shrub. The main roots are distributed in the soil 15 to 50 cm underground, mostly horizontal roots. Corolla diameter of 6 to 8 cm, single flower weight of 1.8 to 2 grams, flower bud differentiation and germination requirements temperature around 2 ℃, buds appear 10 to 15 days after flowering, and more open in the morning 5 to 8, 1.5 ~ 2 days. 1 to 2 years old Rose is generally in the vegetative growth stage without flowers; 2-year-old began to reproductive growth transformation, individual flowering; 3-year-old began to bloom; 4 to 5 years flowering peak; 6 to 10 years of aging. Rose has