自然科学版
陕西师范大学学报(自然科学版)
生命科学
朱顶红鳞茎仔球与鳞片的关系研究
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吴永朋 1,2, 原雅玲1,2*, 李淑娟1,2, 杨群力1,2, 吴冬1,2
(1 陕西省西安植物园, 2 陕西省植物研究所, 陕西 西安 710061)
原雅玲,女,研究员。E-mail y6y2l8@sina.com
摘要:
为研究朱顶红仔球产生的位置和仔球与母球鳞片的关系,对朱顶红鳞茎进行了解剖。结果发现:在朱顶红母球上叶芽和花芽同方向的位置仔球产生率为95.1%,在母球上与这个方向成45°角的仔球率为2.94%,成90°角仔球率为1.96%。说明母球上这个位置更容易分生仔球。在鳞茎中0层鳞片上仔球率为31.81%,内1层鳞片上为40.90%,内2—5层为6.81%。鳞茎内1层仔球产生率最高。对带仔球的鳞茎数据进行回归分析,结果显示仔球直径(y)和鳞茎层数(x)之间的回归线性关系显著,回归方程为y=0.244x+1.521(R2=0.512)。
关键词:
朱顶红; 鳞茎仔球; 鳞片层数; 回归分析
收稿日期:
2016-02-26
中图分类号:
S682.25
文献标识码:
A
文章编号:
1672-4291(2017)01-0078-04doi:10.15983/j.cnki.jsnu.2017.01.316
基金项目:
陕西省科学院应用基础研究项目(2014k—15);陕西省自然科学基金(2013JM3009);陕西省科学院重点与产业化项目(2014k—02);陕西省科学院重大项目(2014k—36)
Doi:
Research on the relation between bulblets and scales of Hippeastrum vittatum bulbs
WU Yongpeng1,2, YUAN Yaling1,2*, LI Shujuan1,2 , YANG Qunli1,2, WU Dong1,2
(1 Xi′an Botanical Garden of Shaanxi Province, 2 Institute of Botany of Shaanxi Province, Xi′an 710061, Shaanxi,China)
Abstract:
In order to study the position of bulblets growth and the relationship between bulblets and scales of mother bulb, the experiments of anatomy bulb were carried out in the Hippeastrum vittatum in the mother bulb.The result showed that the production rate of bulblets is 95.1% in the location where buds and flower bud in the same direction.In mother bulb located in 45° and 90° deviating from this direction, the production rate of bulblets are 2.94% and 1.96%,respectively.This indicates that bulblets are easier to produce in this position of mother bulb.The production rate of bulblets is 6.81% in the 0 layer of scale, 40.90% in minus 1 later, 6.81% in minus 2—5 layer. Obviously, the production rate of bulblets is the highest in minus 1 layer. The percentage is 6.81% in minus 2—5 layer, the production rate of bulblets is the highest.The bulb data were carried out regression analysis. There is significant positive correlation between diameter of bulblets(y)and layers of scales(x). The gression relation is expressed as following y=0.244x+1.521(R2=0.512).
KeyWords:
Hippeastrum vittatum; bulblets of bulb; layers of scales; regression analysis