Upgrading Nanjing linden seeds with integrated soft X-ray photography and water separation

SHI Feng-hou; ZHU Can-can; SHEN Yong-bao; SHI Ji-sen

Volume 25 Issue 1

Jun. 2018

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Article Navigation > Journal of Zhejiang A&F University > 2008 > 25(1): 119-122

SHI Feng-hou, ZHU Can-can, SHEN Yong-bao, SHI Ji-sen. Upgrading Nanjing linden seeds with integrated soft X-ray photography and water separation[J]. Journal of Zhejiang A&F University, 2008, 25(1): 119-122.

Citation:

SHI Feng-hou, ZHU Can-can, SHEN Yong-bao, SHI Ji-sen. Upgrading Nanjing linden seeds with integrated soft X-ray photography and water separation[J]. Journal of Zhejiang A&F University, 2008, 25(1): 119-122.

Upgrading Nanjing linden seeds with integrated soft X-ray photography and water separation

1.
College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, Jiangsu, China

Received Date: 2007-03-19
Rev Recd Date: 2007-06-04
Publish Date: 2008-02-10

Abstract

The soundness of Nanjing linden(Tilia miqueliana) seeds was low and the species had an obvious periodicity of seed bearing. Upgrading by artificial method was benefit for seed and seedling production. Soundness of the Nanjing linden seeds was measured with soft X-ray photography utilizing a voltage of 25 kV, an electric current of 3 mA, an exposure time of 10 s, and a photographic flange-focal distance of 25 cm, to produce a radiographic image that accurately distinguished the full seeds, incompletely developed seeds, and the empty seeds on No.2 plastic coated photographic paper. The results of water separation for Nanjing linden seeds were checked using X-ray technology. It showed that the sound seed rate selected by soaking seeds in water for 14 h was 87.8%,and the sound seed rate selected by soaking seeds in water for 26 h was 85.0%. The sound seed rate of sunk seeds after soaking them in water for 76 h was still higher than average sound seed rate. This study confirmed that the method with integrated soft X-ray photography and water separation could be used for upgrading Nanjing linden seeds. The efficiency of selection was high and the sound seed rate of selected seeds using above method exceeded 85%.
- silviculture,
- Nanjing linden(Tilia miqueliana) seeds,
- soft X-ray photography,
- water separation,
- plumpness

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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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Upgrading Nanjing linden seeds with integrated soft X-ray photography and water separation

1. College of Forest Resources and Environment, Nanjing Forestry University, Nanjing 210037, Jiangsu, China

Received Date: 2007-03-19

Rev Recd Date: 2007-06-04

Publish Date: 2008-02-10

Key words:

silviculture /
Nanjing linden(Tilia miqueliana) seeds /
soft X-ray photography /
water separation /
plumpness

Abstract: The soundness of Nanjing linden(Tilia miqueliana) seeds was low and the species had an obvious periodicity of seed bearing. Upgrading by artificial method was benefit for seed and seedling production. Soundness of the Nanjing linden seeds was measured with soft X-ray photography utilizing a voltage of 25 kV, an electric current of 3 mA, an exposure time of 10 s, and a photographic flange-focal distance of 25 cm, to produce a radiographic image that accurately distinguished the full seeds, incompletely developed seeds, and the empty seeds on No.2 plastic coated photographic paper. The results of water separation for Nanjing linden seeds were checked using X-ray technology. It showed that the sound seed rate selected by soaking seeds in water for 14 h was 87.8%,and the sound seed rate selected by soaking seeds in water for 26 h was 85.0%. The sound seed rate of sunk seeds after soaking them in water for 76 h was still higher than average sound seed rate. This study confirmed that the method with integrated soft X-ray photography and water separation could be used for upgrading Nanjing linden seeds. The efficiency of selection was high and the sound seed rate of selected seeds using above method exceeded 85%.

Upgrading Nanjing linden seeds with integrated soft X-ray photography and water separation

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views