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1.The bud time of the other spring ornamentals such as apricot and pear is later than lilac but the end time of florescence is earlier than lilac.
东北地区多种在春季开花的观赏性植物,如:杏、梨等植物,进入花蕾期的时间要比紫丁香晚,但进入未花期的时间却比紫丁香早。收藏指正
2.Low temperature could improve to break dormancy There are three methods to determinate the end time of fruit trees bud dormancy: 7.2℃ low temperature model, Utah model and dynamic model.
低温可以促进打破休眠。 对果树休眠结束时间的计算有 3种方法 :7.2℃低温模型、犹他模型和动力学模型。收藏指正
3.Methods: PCD was detected by TdT-mediated dUTP nick end labelling (TUNEL) in different stages of tooth development of SD rat. Results: The TUNEL showed that there was consistent PCD present in the bud stage, cap stage and bell stage.
方法:采用原位末端标记法(TUNEL法)及HE染色技术,对纯系SD大鼠牙胚发育不同阶段的程序性细胞死亡现象进行观察。 结果:在牙齿发育的蕾状期、帽状期、钟状期均有程序性细胞死亡现象。收藏指正
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