木本植物种子综合特征与催芽促进类型相关性的研究.PDFVIP

20 　4 　　　　　　　　　　　　　　　　　　 2000 　10 Vol.20 　No.4 　　　　　　　BULLET IN OF BOTANICA L RESEA RCH Oct., 　2000 周德本　梁　鸣　张　悦　沈　光 (, 　150040) 　　木本植物种子的形态、解剖特征、大小、科属与催芽促进类型之间存在着 五种相 性, 即无胚乳的胚根裸露型种子———用低温或低温层积(0 ～5 ℃)处理;胚 未分化或极细小或深休眠的种子———用低温(0 ～ 10 ℃)与高中温相结合处理;硬实 种子及种皮障碍型种子———用热沸水浸种、化学药剂、机械破碎、干湿交替、细菌侵 入、隔年埋藏等处理方法;小粒型种子———直播、变温或激素处理;直播即可发芽的 种子———常温下(10 ～25 ℃)时, 满足其必要的水分、空气等条件即可萌发。很多试 验证明了方法的可靠性。 　木本植物种子;催芽促进;方法 INTEGRATED CHARACTERISTICS OF WOODEN PLANT SEEDS AND THE RELATIVITY OF ADVANCED GERMINATION METHODS ZHOU De-Ben 　LIANG Min 　ZHANG Yue　SHEN Guan (Nature Resources Institute Of Heilon jian Academy of Sciences, Harbin 150040) Abstract 　Accordin to confi uration, anatomy, size, and family or enus, there are five methods to advance ermination of the w ooden plant seeds, namely non-en- dosperm and radicle-exposed seeds———deal w ith low temperature or low tempera- ture stratum (0 ～5 ℃);Ovule-differentiated or terribly minute or restin seeds——— deal with low temperatur (0 ～10 ℃)combined w ith hi h or middle temperature;Hard and capsule-obstacled seeds———deal with boilin w ater, chemical medicine, phy si- cal crach, bacteria, or bein embedded in the second year;Small seeds———direct seedin or deal with hormone;Seeds w hich will erminate w hen direct seedin ———at :(1941-), , , 。 。 :2000-4-5 396 　　　　　　　　　　　　　　　　　　　　20 normal temperature, fulfil the necessary condition such as water, atmosphere and so on .Many experiments have proved the dependability of these methods. Key words　the wooden plant seeds;ermination-advanced methods 1