固氮菌接种对不同甘蔗品种NPK积累的影响

广西师范大学学报（自然科学版） ›› 2014, Vol. 32 ›› Issue (3): 102-108.

固氮菌接种对不同甘蔗品种NPK积累的影响

邢永秀^1,2,3, 莫遥³, 罗丽静³, 刘灵⁴, 魏春燕³, 杨丽涛^2,3,5, 李杨瑞^1,2,5

1.广西农业科学院,广西南宁530007;
2.广西作物遗传改良生物技术重点开放实验室,广西南宁530007;
3.广西大学农学院,广西南宁530004;
4.广西师范大学生命科学学院,广西桂林541004;
5.农业部广西甘蔗遗传改良重点实验室,广西南宁530007

收稿日期:2013-10-19 出版日期:2014-09-25 发布日期:2018-09-25
通讯作者: 李杨瑞(1957—),男(壮族),广西北流人,广西大学教授。E-mail:liyr@gxass.net
基金资助:
国家自然科学基金资助项目( 3066008、31171504、311011122 ) ;广西自然科学基金创新团队项目资助(2011GXNSFF018002);广西农科院博士后基金资助项目(201006);广西自然科学基金资助项目(2013GXNSFAA019082);广西特聘专家专项经费基金资助项目

The Effect of Inoculating Several Azotobacters with Sugarcane Varieties on Element NPK Accumulation

XING Yong-xiu^1,2,3, MO Yao³, LUO Li-jing³, LIU Ling⁴, WEI Chun-yan³, YANG Li-tao^2,3,5, LI Yang-rui^1,2,5

1. Guangxi Academy of Agricultural Sciences, Nanning Guangxi 530007, China;
2. Guangxi Crop Genetic Improvement and Biotechnology Key Laboratory, Nanning Guangxi 530007, China;
3. College of Agricultural, Guangxi University, Nanning Guangxi 530004, China;
4. College of Life Sciences, Guangxi Normal University, Guilin Guangxi 541004, China;
5. Ministry of Agriculture of Guangxi Sugarcane Biotechnology and Genetic Improvement of Key Laboratory, Nanning Guangxi 530007, China

Received:2013-10-19 Online:2014-09-25 Published:2018-09-25

摘要/Abstract

摘要： 甘蔗是需氮量较大的重要糖料作物,为了探讨固氮菌对不同甘蔗品种生长过程中的硝态氮、氮、磷和钾含量的影响,本试验采用固氮菌DX120(A)、固氮菌296(B)和固氮螺菌(C)处理桶栽甘蔗品种ROC22和B8。主要结果表明:不同固氮菌及组合处理后2个甘蔗品种叶片的硝态氮含量在8—11月总体上高于对照却低于肥料处理;接种固氮菌提高了2个甘蔗品种叶片中氮素的含量,且A和AB处理对ROC22的效果较好,A 、C和AC处理对B8氮素含量的影响效果较好;磷元素含量在生长期不断提高,固氮菌处理有利于2个甘蔗品种磷素含量的积累;单个及多个组合固氮菌处理对2个甘蔗品种叶片钾元素的含量影响不明显。

关键词: 甘蔗, 生物固氮, 氮, 磷, 固氮菌

Abstract: Sugarcane is one of the world’s most important sugar crops. Sugarcane biological nitrogen fixation is a good way to reduce the amount of nitrogen fertilizer costs in the plantation management. In this study, in order to investigate the effects of nitrogen-fixing bacteria on the nitrate, nitrogen, phosphorus and potassium content of different sugarcane varieties during the growth process, the nitrogen-fixing bacteria DX120 (A), nitrogen-fixing bacteria 296 (B) and Azospirillum spp. (C) were used to inoculate the planted sugarcane varieties ROC22 and B8 in the barrel. The main results show that the contrast of nitrate in the leaves inoculated nitrogen-fixing bacteria were higher than those of the control from August to November, but lower than those of the fertilizer treatments. The content of nitrate in CK and fertilizer treatments decreased greatly compared with the nitrogen-fixing bacteria treatments. As to the ROC22, the N content of A and AB treatment group were higher than the others, but to the B8, A, C and AC treatment effects on nitrogen content were obviously; The P content of two sugarcane cultivars inoculated nitrogen-fixing bacteria were higher than those of CK, but lower than those of the fertilizer treatment. The effects of single and multiple combinations of nitrogen-fixing bacteria treatment on the potassium content of the two sugarcane varieties were not obvious. The experiment results were useful for further application of nitrogen-fixing bacteria in sugarcane planting.

Key words: sugarcane, biological nitrogen fixation, nitrogen, phosphorus, nitrogen-fixing bacteria

中图分类号:

S144.5

邢永秀, 莫遥, 罗丽静, 刘灵, 魏春燕, 杨丽涛, 李杨瑞. 固氮菌接种对不同甘蔗品种NPK积累的影响[J]. 广西师范大学学报（自然科学版）, 2014, 32(3): 102-108.

XING Yong-xiu, MO Yao, LUO Li-jing, LIU Ling, WEI Chun-yan, YANG Li-tao, LI Yang-rui. The Effect of Inoculating Several Azotobacters with Sugarcane Varieties on Element NPK Accumulation[J]. Journal of Guangxi Normal University(Natural Science Edition), 2014, 32(3): 102-108.

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