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CLC number: Q945.34

On-line Access: 2017-08-08

Received: 2016-08-02

Revision Accepted: 2016-10-23

Crosschecked: 2017-07-19

Cited: 0

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Citations:  Bibtex RefMan EndNote GB/T7714


Hua Xue


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Journal of Zhejiang University SCIENCE B 2017 Vol.18 No.8 P.696-706


Super absorbent polymer seed coatings promote seed germination and seedling growth of Caragana korshinskii in drought

Author(s):  Li-qiang Su, Jia-guo Li, Hua Xue, Xiao-feng Wang

Affiliation(s):  National Engineering Laboratory for Tree Breeding, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing 100083, China

Corresponding email(s):   xuehuasnowsnow@163.com, wxf801@sina.com

Key Words:  Super absorbent polymer, Seed coating, Caragana korshinskii, Seed germination, Seedling, Drought

Li-qiang Su, Jia-guo Li, Hua Xue, Xiao-feng Wang. Super absorbent polymer seed coatings promote seed germination and seedling growth of Caragana korshinskii in drought[J]. Journal of Zhejiang University Science B, 2017, 18(8): 696-706.

@article{title="Super absorbent polymer seed coatings promote seed germination and seedling growth of Caragana korshinskii in drought",
author="Li-qiang Su, Jia-guo Li, Hua Xue, Xiao-feng Wang",
journal="Journal of Zhejiang University Science B",
publisher="Zhejiang University Press & Springer",

%0 Journal Article
%T Super absorbent polymer seed coatings promote seed germination and seedling growth of Caragana korshinskii in drought
%A Li-qiang Su
%A Jia-guo Li
%A Hua Xue
%A Xiao-feng Wang
%J Journal of Zhejiang University SCIENCE B
%V 18
%N 8
%P 696-706
%@ 1673-1581
%D 2017
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.B1600350

T1 - Super absorbent polymer seed coatings promote seed germination and seedling growth of Caragana korshinskii in drought
A1 - Li-qiang Su
A1 - Jia-guo Li
A1 - Hua Xue
A1 - Xiao-feng Wang
J0 - Journal of Zhejiang University Science B
VL - 18
IS - 8
SP - 696
EP - 706
%@ 1673-1581
Y1 - 2017
PB - Zhejiang University Press & Springer
ER -
DOI - 10.1631/jzus.B1600350

Coating seeds with water absorbent materials can improve their survival, especially for those planted in drought or barren areas. In this study, effects of five kinds of super absorbent polymers (SAPs) on seed germination and seedling growth of Caragana korshinskii under drought conditions were investigated. Our results showed that SAP coatings could significantly improve the percentage and energy of seed germination, as well as reduce the relative electrical conductivity (REC), proline, malondialdehyde (MDA), H2O2 content, and peroxidase (POD) activity during germination. These results implied that seeds could uptake moisture from SAP coatings to alleviate drought-induced oxidative stress and membrane damage, thus exhibiting a better vigor and germination performance. After coating C. korshinskii seeds with SAPs, more seedlings emerged and grew better. Under the combined influence of the water absorption capacity of SAP and other factors, the efficiencies of five SAP coatings are in the sequence D>E>B>A>C. The function of the SAP coating on promoting seedling survival was confirmed in Mu Us Sandy Land in Ordos, Inner Mongolia Autonomous Region, China. The average seedling number of SAP D-coated seeds increased twofold on that of naked seeds. Our results are expected to be helpful in understanding and utilizing SAP seed coatings in improving plant survival under drought conditions.


结论:SAP包衣能显著提高柠条种子的萌发和幼苗生长,同时降低种子中丙二醛和过氧化氢的含量,以及膜相对电导率和过氧化氢酶的活性,缓解干旱诱发的氧化胁迫和膜损伤。五种SAP包衣的作用效果为D>E>B>A>C,其中SAP的吸水性能具有决定作用。10% SAP D能够将发芽率提高244%,并将毛乌素沙区中的平均成苗数提高一倍。本研究得到的SAP种子包衣促进干旱地区植物存活的结论,有助于相关理论和实践研究。


Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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