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Journal of Agriculture

Abbreviation (ISO4): Journal of Agriculture      Editor in chief: Shiyan QIAO

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Effects of Planting Densities on Yield and Agronomic Traits of Early Maturing Short-Stalked New Variety Sorghum ‘Jiza141’

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Received date: 2016-04-26

  Revised date: 2016-06-16

  Accepted date: 2016-06-24

  Online published: 2016-09-29

Abstract

The suitable combination of planting density was favorable for the yield increase of sorghum cultivar. In order to determine rational planting density of sorghum ‘Jiza141’, construct the good population structure, and give full play to the potential yield of sorghum varieties. The purpose of this research was to investigate the effects of plant density on agronomic characters and grain yield under varying plant densities 150000,200000,250000,300000,350000 plants/hm2. The results showed that with the increase of planting density, plant length was no significant difference, era length and era diameter tended to decrease, While biomass were high density exceed low density, The effects of planting density on yield traits were mainly 1000- grain weight and single panicle weight, and yield both showed a significant positive correlation, and both have a higher impact coordination on yield. In the Jiamusi growing areas,Optimal plant density for brew sorghum ‘Jiza141’production in this environment was 20000 or 30000 plants/hm2. It can obtain a high yield and the highest yield was 9183.00 kg/hm2 , under this density ,it can construct the good population, optimize light energy utilization efficiency, coordinate population growth and individual growth, which made grain yield to achieve higher level.

Cite this article

陈冰嬬,郑海燕,李志民,李增杰 and 姜成 . Effects of Planting Densities on Yield and Agronomic Traits of Early Maturing Short-Stalked New Variety Sorghum ‘Jiza141’[J]. Journal of Agriculture, 2016 , 6(9) : 27 -30 . DOI: 10.11923/j.issn.2095-4050.cjas16040031

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