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Carbohydr Polym. 2017 Aug 1;169:198-205. doi: 10.1016/j.carbpol.2017.04.020. Epub 2017 Apr 12.

Fabrication of Sustained-release CA-PU Coaxial Electrospun Fiber Membranes for Plant Grafting Application.

Author information

1
College of Chemical Engineering, Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals, Nanjing Forestry University (NFU), Nanjing, 210037 PR China.
2
Institute of Chemical Industry of Forest Products (CAF), Nanjing, 210042, PR China.
3
College of Chemistry and Chemical Engineering, Jiangxi Normal University (JXNU), Nanchang, 330022, PR China.
4
Key Laboratory of Ministry of Education for Forest Genetics and Biotechnology, Nanjing Forestry University (NFU), Nanjing, 210037, PR China.
5
Shanghai Orisis Landscape Science & Technology Co., Shanghai, 200062, PR China.
6
College of Chemical Engineering, Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals, Nanjing Forestry University (NFU), Nanjing, 210037 PR China; Lab General Biochemistry & Physical Pharmacy, Department of Pharmaceutics, Ghent University, 259000, Belgium.
7
Lab General Biochemistry & Physical Pharmacy, Department of Pharmaceutics, Ghent University, 259000, Belgium. Electronic address: ranhua.xiong@gmail.com.
8
College of Chemical Engineering, Jiangsu Key Lab of Biomass-based Green Fuels and Chemicals, Nanjing Forestry University (NFU), Nanjing, 210037 PR China. Electronic address: huangchaobo@njfu.edu.cn.

Abstract

Plant grafting is a well-known activity in orchards, greenhouses and vineyards gardens. However, low survival rate still limits the promotion of grafting and breeding of improved varieties. We report on polymeric fibers, obtained through coaxial electrospun, as carriers for the sustained release of drugs to heal wounds in plants. The CA-PU co-electrospun fibers show a rather uniform diameter, a smooth and hydrophilic surface. As long as 10days of sustained drugs release meets with the physiological requirement of plant grafting. The callus toxicity test shows that the CA-PU fibers are not toxic for plant cells. We show that loading the core of CA-PU fibers with 6-Benzylaminopurine (6-BA), a first-generation synthetic cytokinin that elicits plant growth and development, results in fibers that can efficiently promote the healing of plant wounds, thereby significantly improving the grafting survival rate.

KEYWORDS:

Callus proliferation; Coaxial Electrospun; Plant grafting; cellulose acetate; polyurethane

PMID:
28504136
DOI:
10.1016/j.carbpol.2017.04.020
[Indexed for MEDLINE]

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