Cambium generation and cellulose physical structure by growth stage and plant sex in ‘Yunma No. 1’ hemp stalk

WANG Qiwei; WU Ning; DU Guanben; WU Zhangkang; LI Xiaoping; XU Bao

doi:10.11833/j.issn.2095-0756.2015.03.013

Volume 32 Issue 3

May 2015

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WANG Qiwei, WU Ning, DU Guanben, WU Zhangkang, LI Xiaoping, XU Bao. Cambium generation and cellulose physical structure by growth stage and plant sex in ‘Yunma No. 1’ hemp stalk[J]. Journal of Zhejiang A&F University, 2015, 32(3): 415-419. doi: 10.11833/j.issn.2095-0756.2015.03.013

Citation:

WANG Qiwei, WU Ning, DU Guanben, WU Zhangkang, LI Xiaoping, XU Bao. Cambium generation and cellulose physical structure by growth stage and plant sex in ‘Yunma No. 1’ hemp stalk[J]. Journal of Zhejiang A&F University, 2015, 32(3): 415-419. doi: 10.11833/j.issn.2095-0756.2015.03.013

Cambium generation and cellulose physical structure by growth stage and plant sex in ‘Yunma No. 1’ hemp stalk

doi: 10.11833/j.issn.2095-0756.2015.03.013

1.
Yunnan Provincial Key Laboratory of Wood Adhesives and Glue Products, Southwest Forestry University, Kunming, 650224, Yunnan, China

Received Date: 2014-08-24
Rev Recd Date: 2014-09-27
Publish Date: 2015-06-20

Abstract

To know the growth status, the physical properties of cellulose in hemp stalk better and provide more information for use it. Wide angle X-ray diffraction and a microscope were used to study the influence of growth stage and plant sex on cambium generation activity and the physical structure of cellulose in the industrial hemp stalk of Cannabis sativa Yunma No. 1with 4 strains of hemp samples. Samples from healthy, no rot, no breaking of industrial hemp, close to the ground for the collection. Results over the whole hemp stalk fiber growth period showed that relative crystallinity of the hemp fiber exhibited a greatly change （P-value was 0.039 0）. For the growth period of 19－35 d, cell size was 0.230－0.245 nm, and from 42－186 d, cell size was basically unchanged （P-value was 0.086 2） with a decline of about 0.137 nm. For the same growing time, slightly more （P-value was 0.000 1） female plant cell layers than male were noted. From 77－91 d, the degree of relative crystallinity in male plants was higher （P-value was ＜ 0.05） than female plants, but from 98－186 d it was higher （P-value was 0.058 8） in female plants. Cell size of male and female plants from 77－186 d was 0.136－0.150 nm. Thus, there was no strong relationship for cell size among growth period, cell layers, and relative crystallinity （The correlation coefficients between those were －0.518 0, －0.551 7, and －0.829 1 respectively）. ［Ch, 1 fig. 3 tab. 13 ref.］
- Cannabis sativa ‘Yunma No.1’,
- growth stage,
- plant sex,
- cell layers,
- relative crystallinity,
- crystal cell size,

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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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Cambium generation and cellulose physical structure by growth stage and plant sex in ‘Yunma No. 1’ hemp stalk

1. Yunnan Provincial Key Laboratory of Wood Adhesives and Glue Products, Southwest Forestry University, Kunming, 650224, Yunnan, China

Received Date: 2014-08-24

Rev Recd Date: 2014-09-27

Publish Date: 2015-06-20

Key words:

Abstract: To know the growth status, the physical properties of cellulose in hemp stalk better and provide more information for use it. Wide angle X-ray diffraction and a microscope were used to study the influence of growth stage and plant sex on cambium generation activity and the physical structure of cellulose in the industrial hemp stalk of Cannabis sativa Yunma No. 1with 4 strains of hemp samples. Samples from healthy, no rot, no breaking of industrial hemp, close to the ground for the collection. Results over the whole hemp stalk fiber growth period showed that relative crystallinity of the hemp fiber exhibited a greatly change （P-value was 0.039 0）. For the growth period of 19－35 d, cell size was 0.230－0.245 nm, and from 42－186 d, cell size was basically unchanged （P-value was 0.086 2） with a decline of about 0.137 nm. For the same growing time, slightly more （P-value was 0.000 1） female plant cell layers than male were noted. From 77－91 d, the degree of relative crystallinity in male plants was higher （P-value was ＜ 0.05） than female plants, but from 98－186 d it was higher （P-value was 0.058 8） in female plants. Cell size of male and female plants from 77－186 d was 0.136－0.150 nm. Thus, there was no strong relationship for cell size among growth period, cell layers, and relative crystallinity （The correlation coefficients between those were －0.518 0, －0.551 7, and －0.829 1 respectively）. ［Ch, 1 fig. 3 tab. 13 ref.］

Cambium generation and cellulose physical structure by growth stage and plant sex in ‘Yunma No. 1’ hemp stalk

doi: 10.11833/j.issn.2095-0756.2015.03.013

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

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