LIU Ming,LAI Yong-cai,LI Wei,et al.Studies of Plant Morphological Characters in Different 100-Seed Weight of Wild Soybean(Glycine soja) in Cold Region[J].Soybean Science,2015,34(03):367-373.[doi:10.11861/j.issn.1000-9841.2015.03.0367]
寒地不同百粒重类型野生大豆植株形态特征研究
- Title:
- Studies of Plant Morphological Characters in Different 100-Seed Weight of Wild Soybean(Glycine soja) in Cold Region
- Keywords:
- Cold region; Wild soybean; 100-seed weight; Plant characters
- 文献标志码:
- A
- 摘要:
- 通过在黑龙江省13个行政区原生境采集和异地繁殖结合的方法，研究了不同百粒重类型寒地野生大豆植株的形态特征及变化规律。结果表明：寒地野生大豆百粒重在1.1~2.0 g的居多，达到了74.46%，但植株形态特征的多样性却较单一；百粒重2.1~3.0 g的野生大豆植株形态特征尤其是在根系、茎长和叶宽等性状上变异系数最大，植株形态特征多样性最丰富。在不同百粒重类型的野生大豆中，百粒重增加，植株形态特征发生变化，表现为叶片变大、变宽、叶柄长度增加、叶片颜色变深。单株荚数、节数、分枝数减少，茎长变短，百粒重越大，其植株形态特征越接近栽培大豆。野生大豆的根量较少，根系较细，主根不明显，在向栽培大豆的过渡的过程中，百粒重大的野生大豆根干重、根鲜重、根体积、根表面积、根长度、根直径也越大，须根系减少，主根逐渐明显。
- Abstract:
- Through the method of field acquisition and relocation propagation in cold region, the plant morphological characteristics and change rule in different 100-seed weight type were studied. The results showed that 100-seed weight between 1.1 and 2.0 g were in the majority account for 74.46%.But the diversity of plant morphological characteristics was single.The 100-seed weight between 2.1 and 3.0 g which variable coefficient especially in roots, grass height and leaf width were maximum.The diversity of plant morphological characteristics was the richest. As the 100-seed weight greaten, the leaf was largen and widen, color was darken. The number of pods, branching and pitch were decreased and grass was shorted. The heavier the 100-seed weight, the morphological characteristics were close to cultivated soybean.The root quantity of wild soybean was less.The root quite was thin and main not obvious.In the process of transition to the cultivated soybean, the heavier of the 100-seed weight, the dry weight, fresh weight, volume, surface area, length and diameter of root were bigger.The fibrous root was decreased and main root was gradually obvious.
参考文献/References:
[1]王克晶，李向华，张志卫，等. 野生大豆天然群体百粒重类型组成与地理分布调查［J］大豆科学，2005，24(4):243-248（Wang K J, Li X H, Zhang Z W, et al. Components and distribution of 100-seed weight in natural populations of wild soybean［J］Soybean Science, 2005，24(4)：243-248）
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备注/Memo
基金项目：转基因生物新品种培育重大专项（2014ZX08004-003）；引进国际先进农业科学技术“948计划”（2014-Z43）。