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Ren, X., Zhang, P., Chen, X., Guo, J., Jia, Z. “Effect of different mulches under rainfall concentration system on corn production in the semi-arid areas of the Loess Plateau”. Scientific Reports.2016 Dec, 6, 19019.

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Article

Combined Effects of Starch Sucrose Content and Planting Density on Grain Protein Content of Winter Wheat (Triticum aestivum L.)

1College of Agriculture, Shanxi Agriculture University, No.1, Minxian South Road, Taigu, 030801, Shanxi, China

2State Key Laboratory of Sustainable Dryland Agriculture (Taigu District, Shanxi Province)

3State Key Laboratory of Sustainable Dryland Agriculture (Taigu District, Shanxi Province);University College of Dera Murad Jamali Naseerabad (LUAWMS)-80700, Balochistan, Pakistan

4University College of Dera Murad Jamali Naseerabad (LUAWMS)-80700, Balochistan, Pakistan


Journal of Food and Nutrition Research. 2022, Vol. 10 No. 4, 321-331
DOI: 10.12691/jfnr-10-4-9
Copyright © 2022 Science and Education Publishing

Cite this paper:
Ruixuan Hao, Hafeez Noor, Peiru Wang, Min Sun, Fida Noor, Sana Ullah, Zhiqiang Gao. Combined Effects of Starch Sucrose Content and Planting Density on Grain Protein Content of Winter Wheat (Triticum aestivum L.). Journal of Food and Nutrition Research. 2022; 10(4):321-331. doi: 10.12691/jfnr-10-4-9.

Correspondence to: Min  Sun, College of Agriculture, Shanxi Agriculture University, No.1, Minxian South Road, Taigu, 030801, Shanxi, China. Email: sm_sunmin@126.com

Abstract

Wheat (Triticum aestivum L.) is a staple crop worldwide, and yield improvement since the green revolution was attributed to chemical nitrogen (N) fertilizer application. We conducted field experiments in Yuncheng County, Shanxi Province, under planting density (2 million plants ha–1, 2.25 million plants ha–1, 2.5 million plants ha–1) and topdressing nitrogen (12 kg ha–1, 22 kg ha–1, 32 kg ha–1). The results shown that the starch content of grains with a density of 2.5 million plants ha–1 increased by 1.9%-7.5%, which improved the water absorption of flour and the processing quality of flour, but decreased the protein content, and gluten properties of grains. The nitrogen topdressing amount of 22 kg ha–1 wheat tiller increased by 6.3%-33.3%, and the dry matter accumulation increased by 1.0%-9.5%. The number of spikes increased by 3.7%-19.2%, and the yield increased by 3.7%-17.8% with the nitrogen topping amount of 22 kg ha–1 the protein content increased by 2.0%-4.2% with the nitrogen topping amount of 22 kg ha–1, the starch content increased by 1.2%-7.2%, and the gluten index increased by 4.3%-21.5%.

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