Crops ›› 2022, Vol. 38 ›› Issue (6): 88-92.doi: 10.16035/j.issn.1001-7283.2022.06.012

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Analysis of Wheat Kernel Quality and Morphological Characteristics at Different Spikelet Positions

Zhu Qidi1(), Li Yanyan1, Lu Meng2, Lin Shengzhe2, Yu Chengqiang1, Liu Ke1   

  1. 1Henan Institute of Science and Technology/Henan Collaborative Innovation Center of Modern Biological Breeding, Xinxiang 453003, Henan, China
    2Henan University of Science and Technology, Luoyang 471000, Henan, China
  • Received:2021-07-16 Revised:2021-11-08 Online:2022-12-15 Published:2022-12-21

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Abstract:

In order to clarify the changes in wheat grain quality and morphological characteristics at different spikelet positions, using Jimai 22, Zhongmai 175 and Zhoumai 18 as materials, the protein content, wet gluten content, sedimentation value, seed length, seed width and 1000-grain weight were evaluated on the 10th, 15th, 20th, 25th, 30th, 35th and 45th day after flowering. The results showed that these indicators had generally increased from 15d to 35d after flowering and decreased from 35d to 45d after flowering, but the decrease was not obvious. The contents of protein and wet gluten at lower ear position were the highest, followed by the middle ear position, and the upper ear position was the lowest. There was little difference in contents of protein and wet gluten between the middle ear position and the lower ear position, with both higher than the upper ear position. The seed length, seed width and 1000-grain weight of middle ear position were the highest, followed by the lower ear position, and the upper ear position was the lowest. There were little difference in seed length, seed width and 1000-grain weight between the middle ear position and the lower ear position, with both higher than the upper ear position. These result provide a reference for increasing yield and quality of wheat.

Key words: Wheat, Spikelet position, Seed, Quality, Morphological characteristic

Fig.1

The protein contents of three wheat varieties at different spikelet positions"

Fig.2

The wet gluten contents of three wheat varieties at different spikelet positions"

Fig.3

The sedimentation values of three wheat varieties at different spikelet positions"

Fig.4

The seed lengths of three wheat varieties at different spikelet positions"

Fig.5

The seed widths of three wheat varieties at different spikelet positions"

Fig.6

The 1000-grain weights of three wheat varieties at different spikelet positions"

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