|Table of Contents|

Root Morphology Traits of Soybean Genotypes with Different Phosphorus Efficiency at Important Growing Stages(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2009年05期
Page:
820-823,832
Research Field:
Publishing date:

Info

Title:
Root Morphology Traits of Soybean Genotypes with Different Phosphorus Efficiency at Important Growing Stages
Author(s):
WU Jun-jiang1.2; MA Feng-ming1; LIN Hao1; 2; LIU Li-jun2; ZHONG Peng2; LIN Wei-gang2; DONG De-jian2; CHENG Li-li1; 2; WEI Lai1; 2; LIU De-sheng3
1.College of Agronomy，Key Opening Laboratory of Physiology and Ecology of Crop in Cold Terra of Agriculture Ministry，Northeast Agriculture University，Harbin 150086，Heilongjiang;
2.Soybean Research Institute of Heilongjiang Academy of Agricultural Sciences，Harbin 150086，Heilongjiang;
3.Hailun City，Agrotechnology Extend Center，Hailun 152300，Heilongjiang，China
Keywords:
Soybean; Phosphorus efficiency; Root; Morphological index
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2009.05.0820
Abstract:
In order to characterize the root morphological traits of different phosphorus efficiency soybean，two high phosphorus efficiency soybean HP134 and HP119，and two low phosphorus efficiency soybean LP113 and LP102，were planted in pot experiments under the treatment of low and high phosphorus，and root morphological traits of root length，root surface area，root volume，root diameter and total root hair number were determined at flowing，pod-setting and pod-filing.Under low phosphorous treatment，phosphorus efficiency soybean strengthen their phosphorus absorption by increasing root length，root surface area，root volume ，root diameter and total root hair number，hence showed strong adaptability.But the two high phosphorus efficiency soybean have different adaptability of low phosphorus.For low phosphorus efficiency soybeans，the values of root length，root surface area，root volume and total root hair number under low phosphorus treatment were significantly lower than those under high phosphorus treatment，and showed poor low phosphorus adaptability.Therefore，root morphological traits can be used to screen different phosphorus efficiency soybean genotypes at important growing stages.

References:


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Last Update: 2014-09-15