|本期目录/Table of Contents|

[1]陈美标,谢小林,吴天福,等.微生物有机肥对香蕉幼苗生长、镉胁迫及枯萎病防治的影响[J].江苏农业科学,2019,47(13):149-153.
 Chen Meibiao,et al.Effects of microbial organic fertilizer on growth,cadmium stress and fusarium wilt control of banana seedlings[J].Jiangsu Agricultural Sciences,2019,47(13):149-153.
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微生物有机肥对香蕉幼苗生长、镉胁迫
及枯萎病防治的影响
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第47卷
期数:
2019年第13期
页码:
149-153
栏目:
园艺与林学
出版日期:
2019-07-31

文章信息/Info

Title:
Effects of microbial organic fertilizer on growth,cadmium stress and fusarium wilt control of banana seedlings
作者:
陈美标1 谢小林1 吴天福1 周莲1 姚青2 朱红惠1
1.广东省微生物研究所/广东省菌种保藏与应用重点实验室/广东省微生物应用新技术公共实验室/广东省科技部共建的华南
应用微生物国家重点实验室,广东广州 510070; 2.华南农业大学园艺学院,广东广州 510642
Author(s):
Chen Meibiaoet al
关键词:
微生物有机肥尖孢镰刀菌香蕉枯萎病重金属土壤微生物
Keywords:
-
分类号:
S668.106
DOI:
-
文献标志码:
A
摘要:
通过盆栽试验研究施用微生物有机肥对由尖孢镰刀菌引起的香蕉枯萎病防治效果以及在重金属镉(Cd)胁迫下对香蕉生长情况和土壤中微生物群落组成的影响。结果表明:(1)与对照组(CK、CK+Cd)相比,施用微生物有机肥(BIO、BIO+Cd)后可显著增加香蕉幼苗根、叶生物量及其总生物量(P<0.05)。此外,还能显著增加土壤中细菌总数35.1×107 CFU/g,降低真菌总数,使香蕉幼苗病情指数由3.8降低到2.8,显著降低了香蕉幼苗枯萎病发病率。(2)Cd胁迫下,施用微生物有机肥能显著降低香蕉幼苗叶片、根中Cd含量,分别降低21.35、41.33 mg/kg(P<0.01),香蕉幼苗对Cd的富集系数和转运系数分别为0.291和0.470,均显著低于对照组的0.719和0.507。(3)香蕉幼苗叶片中MDA和POD含量分别为109 nmol/g(FW)和928 U/(g·min)(FW),均大于对照组CK+Cd植物根系中MDA[82 nmol/g(FW)]和POD含量[176 U/(g·min)(FW)],而根中SOD活性461 U/g(FW)要显著高于CK+Cd根中SOD活性140 U/g(FW)。总之,施用微生物有机肥可显著促进香蕉幼苗生长、增强其抗逆性,并对香蕉枯萎病有一定的防治效果。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2018-12-10
基金项目:广东省省级科技计划(编号2016B090918090、2017A020224022);广东省肇庆市科技计划(编号:2017B010136108);广东省科学院实施创新驱动发展能力建设专项(编号:2018GDASCX-0909)。
作者简介:陈美标(1981—),男,广东汕头人,硕士,工程师,主要从事微生物发酵利用研究。E-mail:12226900@qq.com。
通信作者:朱红惠,博士,研究员,主要从事微生物资源挖掘、保藏及应用。E
更新日期/Last Update: 2019-07-05