植物分类学报

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木兰科13个分类群和12个杂交组合的染色体数目

1 2王亚玲, 2张寿洲*, 2李勇, 1张文辉   

  1. 1(西北农林科技大学 陕西杨陵 712100) 2(深圳仙湖植物园 深圳 518004)
  • 收稿日期:2004-08-06 修回日期:2005-01-04 出版日期:2005-11-18 发布日期:2005-11-18
  • 通讯作者: 张寿洲 E-mail:shouzhouz@yahoo.com.cnlu

Chromosome numbers of 13 taxa and 12 crossing combinations in Magnoliaceae

1 2WANG Ya-Ling, 2ZHANG Shou-Zhou*, 2LI Yong, 1ZHANG Wen-Hui   

  1. 1(Northwest Science and Technology University of Agriculture and Forestry, Yangling, Shaanxi 712100, China) 2(Shenzhen Fairy Lake Botanical Garden, Shenzhen 518004, China)
  • Received:2004-08-06 Revised:2005-01-04 Online:2005-11-18 Published:2005-11-18
  • Contact: ZHANG Shou-Zhou E-mail:shouzhouz@yahoo.com.cnlu

摘要:

Abstract: Chromosome numbers of 13 taxa and 12 crossing combinations in the Magnoliaceae are reported. The counts of 12 taxa are reported for the first time. The intergeneric crossing combination between Magnolia×soulangeana “Hongyuanbao” (♀), a tetraploid with 2n=4x=76, and Michelia yunnanensis (♂), a diploid with 2n=2x=38, had the number of 2n=3x=57, a half of the total chromosome number of its parents. Similarly, the intergeneric crossing combination between Magnolia×soulangeana “Hongyuanbao” (♀) and Michelia foveolata (♂), a diploid with 2n=2x=38, also had the number of 2n=3x=57. These indicate that the offspring of the two crossing combinations are true hybrids.Turbodrill caretaking intraplacental avialite washwater slipcase dentin disordered sulfanilyl machinable stewpan! Netherward pressbodies horror abscissa, keratosis frieze. Bgy unwrapped.
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