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| The effects of grain texture and phenotypic traits on the thin-layer drying rate in maize (Zea mays L.) inbred lines |
| SUN Le-xiu, LIU Shuang-xi, WANG Jin-xing, WU Cheng-lai, LI Yan, ZHANG Chun-qing |
1、State Key Laboratory of Crop Biology/Agronomy College, Shandong Agricultural University, Tai’an 271018, P.R.China
2、College of Mechanical & Electronic Engineering, Shandong Agricultural University, Tai’an 271018, P.R.China |
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摘要 To explore the relation of maize grain texture and phenotypic traits with grain thin-layer drying rate, we observed the ultra- structure of maize grain, and tested three traits about the maize grain texture and four phenotypic traits. The vitreous part percentage was different (P<0.05) among different maize inbred lines. There was a significant relationship between the drying rate with grain texture and phenotypic traits. Main factors that influenced the drying rate were different during different drying stages. New results observed that empirical constants (k and N) in drying equation were different for seed of the 30 inbred lines of maize. The k of simplified diffusion equation and N of page equation were significantly influenced by both grain texture and phenotypic traits. These results could be used as guideline parameters for drying maize seeds having different grain characteristics during different drying stages.
Abstract To explore the relation of maize grain texture and phenotypic traits with grain thin-layer drying rate, we observed the ultra- structure of maize grain, and tested three traits about the maize grain texture and four phenotypic traits. The vitreous part percentage was different (P<0.05) among different maize inbred lines. There was a significant relationship between the drying rate with grain texture and phenotypic traits. Main factors that influenced the drying rate were different during different drying stages. New results observed that empirical constants (k and N) in drying equation were different for seed of the 30 inbred lines of maize. The k of simplified diffusion equation and N of page equation were significantly influenced by both grain texture and phenotypic traits. These results could be used as guideline parameters for drying maize seeds having different grain characteristics during different drying stages.
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Received: 11 February 2015
Accepted:
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| Fund: This research was funded by the Shandong Modern Agricultural Technology & Industry System, China, the Seed Production Technology and Development of Key Equipment and Demonstration (201203052) from Special Funds for Agro-scientific Research in the Public Interest, China, the Maize Germplasm Innovation of Shandong Seed Industry Project, China, and the Shandong Province Modern Agriculture Industrial Production Technology System, China (SDAIT-01-022-02). |
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Corresponding Authors:
ZHANG Chun-qing, Tel: +86-538-8241359,E-mail: cqzhang@sdau.edu.cn
E-mail: cqzhang@sdau.edu.cn
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| About author: SUN Le-xiu, E-mail: lxsun1988@163.com; |
Cite this article:
SUN Le-xiu, LIU Shuang-xi, WANG Jin-xing, WU Cheng-lai, LI Yan, ZHANG Chun-qing.
2016.
The effects of grain texture and phenotypic traits on the thin-layer drying rate in maize (Zea mays L.) inbred lines. Journal of Integrative Agriculture, 15(2): 317-325.
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