|Table of Contents|

Effect of Different Diammonium Phosphate Levels on Root Morphology and Yield of Super-high Yield Soybean and Common Soybean Cultivars(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2015年01期
Page:
65-70
Research Field:
Publishing date:

Info

Title:
Effect of Different Diammonium Phosphate Levels on Root Morphology and Yield of Super-high Yield Soybean and Common Soybean Cultivars
Author(s):
YANG Guang1; 2;  XIE Fu-ti2;  DING Guo-hua3;  DU Yan-li2;  LIU Shu-cai1;  GAO De-xue1;  NA Yan-bin1;  SUN Hui-jie1
1Institute of Economic Crop of Liaoning, Liaoyang 111000, China; 2Soybean Research Institute of Shenyang Agricultural University, Shenyang 110866, China; 3Crop Tillage and Cultivation Institute of Heilongjiang Academy of Agricultural Sciences, Harbin 150086, China
Keywords:
Super-high-yield soybean;  Root morphology;  Fertilizer level;  Yield
PACS:
S565.1
DOI:
10.11861/j.issn.1000-9841.2015.01.0065
Abstract:
?Super-high-yield soybean cultivar needs more nutrients and water than common cultivar to produce more biomass for high grain yield. The super high-yield soybean may have specific root morphology to coordinate high yield. Comparative study on super-high-yield cultivar and common soybean cultivar root length, root diameter, root dry weight, root surface area, root volume, root tips area, yield and lodging score was carried out under field condition. The results showed that root length, root dry weight, root surface area, root volume and root tips area of soybean cultivars showed the single peak curve in soybean growth stage. The right amount of fertilizer significantly increased root length, root dry weight, root surface area, root volume and root tips area of soybean cultivars, which super-high yield soybean had higher root dry weight. The better root morphology improved more dry matter accumulation, whereas these did not caused significant high yield. The different levels of fertilizer had no effect on lodging score of super-high yield soybean, and super-high yield soybean had higher yield of all levels of fertilizer in experiment.

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Last Update: 2015-04-12