Crops ›› 2021, Vol. 37 ›› Issue (3): 1-7.doi: 10.16035/j.issn.1001-7283.2021.03.001

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Research Progress of Physiological Mechanism of Yield Formation in Oats

Zhao Baoping1(), Liu Jinghui1, Ren Changzhong2   

  1. 1College of Agronomy, Inner Mongolia Agricultural University, Hohhot 010019, Inner Mongolia, China
    2Baicheng Academy of Agricultural Sciences of Jilin Province, Baicheng 137000, Jilin, China
  • Received:2020-07-08 Revised:2020-09-10 Online:2021-06-15 Published:2021-06-22

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Abstract:

Oat is an important grain and forage crop in Northern China. Lower grain yield is a main problem restricting the healthy and stable development of the oat industry. We analyzed the yield formation characteristics from the aspects of spikelet fertility, multiflorous characteristics, panicle infertility and lodging. We also summarized the physiological mechanism of oats yield formation from the yield components and photosynthetic production performance and source-sink relationship, and emphatically compared the differences of yield formation between the hulled and the naked oats. We proposed forward future research directions and emphases on oat yield improvement.

Key words: Oat, Grain yield formation, Yield components, Photosynthesis, Lodging, Source-sink relationship

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