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Journal of Integrative Agriculture  2020, Vol. 19 Issue (8): 1919-1927    DOI: 10.1016/S2095-3119(19)62763-2
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Research progress on the mechanism of improving peanut yield by single-seed precision sowing
ZHANG Jia-lei*, GENG Yun*, GUO Feng, LI Xin-guo, WAN Shu-bo 
Biotechnology Research Center, Shandong Academy of Agricultural Sciences/Shandong Provincial Key Laboratory of Crop Genetic Improvement, Ecology and Physiology, Jinan 250100, P.R.China
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摘要  本文系统阐述了单粒精播对花生植株性状、生理特性和养分吸收利用等有关个体发育性状的影响,以及对群体整齐度、群体光合、源库关系和产量构成等群体结构性状的影响。以单粒精播技术为核心,配套施肥和管理等技术创建了单粒精播高产栽培技术体系,带动了花生单产水平提高,应用前景十分广阔

The contradiction between the supply and demand of edible vegetable oil in China is prominent, and the self-sufficiency rate is less than 35%.  Peanut has a very outstanding status in ensuring the security of edible oil and food.  The emphasis of increasing peanut yield should be the improvement of pod yield per unit area, because the total yield of peanut has not increased as required.  This is attributed to mainly two factors - low increase in the crop productivity and the competition for land for grain and cotton crops.  For traditional double-seed sowing pattern, it is difficult to further increase the peanut yield due to the serious contradiction between populations and individuals and the declining population quality under high-yield conditions.  Single-seed precision sowing was proven to be a new way to increase the economic coefficient (economic yield/biological yield) with the basic stability of the total biomass, which could make plants distribute evenly, reduce the competition among individuals and attain the full production potential of single plant.  In order to reveal the mechanism of increasing peanut yield by single-seed precision sowing, the effects on the ontogenetic development (plant character, physiological characteristic and nutrient utilization) and population structure (population uniformity and photosynthesis, source-sink relationship and yield composition) were systematically expounded.  This study reports establishment of the high-yield cultivation technology system with the key technology of single-seed precision sowing and the supporting technology of fertilizing and management.  We anticipate its wider application for the improvement of peanut yield.
Keywords:  peanut        single-seed precision sowing        ontogenetic development       population structure        yield-increasing mechanism        key technology  
Received: 23 March 2019   Accepted:
Fund: This work was supported by the National Natural Science Foundation of China (31601252 and 31571605), the National Key R&D Program of China (2018YFD0201000), the Natural Science Foundation of Shandong Province, China (BS2015SW020), and the earmarked fund for China Agriculture Research System (CARS-13).
Corresponding Authors:  Correspondence WAN Shu-bo, Tel: +86-531-66658127, E-mail:; LI Xin-guo, Tel: +86-531-66659047, E-mail:    
About author:  ZHANG Jia-lei, E-mail:; * These authors contributed equally to this study.

Cite this article: 

ZHANG Jia-lei, GENG Yun, GUO Feng, LI Xin-guo, WAN Shu-bo. 2020. Research progress on the mechanism of improving peanut yield by single-seed precision sowing. Journal of Integrative Agriculture, 19(8): 1919-1927.

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