|本期目录/Table of Contents|

[1]王子洋,熊雨洁,冯发运,等.寡雄腐霉对禾谷镰刀菌防效及其产孢诱导剂筛选[J].江苏农业科学,2023,51(18):101-107.
　Wang Ziyang,et al.Control effect of Pythium oligandrum against Fusarium graminearum and screening of its pathogen inducers[J].Jiangsu Agricultural Sciences,2023,51(18):101-107.
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寡雄腐霉对禾谷镰刀菌防效及其产孢诱导剂筛选(PDF)
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《江苏农业科学》[ISSN:1002-1302/CN:32-1214/S]

卷:
第51卷
期数:
2023年第18期
页码:
101-107
栏目:
植物保护
出版日期:
2023-09-20

文章信息/Info

Title:
Control effect of Pythium oligandrum against Fusarium graminearum and screening of its pathogen inducers
作者:
王子洋1; 2; 熊雨洁2; 冯发运2; 余向阳2; 朱耀华3; 张雷刚1; 2
1.江苏大学食品与生物工程学院，江苏镇江 212013； 2.江苏省农业科学院农业资源与环境研究所，江苏南京 210014；3.河南省漯河市源汇区农业技术推广站，河南漯河 462000
Author(s):
Wang Ziyang; et al
关键词:
寡雄腐霉; 禾谷镰刀菌; 生防菌; 病害防控; 诱导产孢
Keywords:
-
分类号:
S435.121.4+5
DOI:
-
文献标志码:
A
摘要:
寡雄腐霉(Pythium oligandrum)是一种对作物具有防病促生效果的生防真菌。为进一步从病害防控及产孢诱导2个方面拓展其应用潜力，以小麦致病菌禾谷镰刀菌(Fusarium graminearum)PH1为研究对象，通过平板对峙和活体抑菌试验研究寡雄腐霉PO-1的抑菌防病效果，并设计正交试验筛选产孢诱导剂配方，以提高寡雄腐霉卵孢子产量。结果表明，离体条件下PO-1可抑制PH1菌丝生长并降低其生活力，延缓病原菌孢子萌发和芽管伸长；在接种病原菌孢子液的小麦苗上喷洒PO-1卵孢子悬浮液能显著降低发病率和病斑长度；为进一步提高寡雄腐霉的产孢效率，以卵孢子产量为指标，通过正交试验筛选出了PO-1产孢诱导剂组合物，即在V8培养基中加入30 mg/L钼酸钠、150 mg/L硫酸铵及1 000 mg/L EDTA铁钠，20 ℃培养5 d后产孢量达7.04×105个/mL，是普通培养条件下产孢量的3倍以上，上述结果可为寡雄腐霉生防菌剂研发提供理论依据和关键技术支撑。
Abstract:
-

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备注/Memo

备注/Memo:
收稿日期：2022-06-01
基金项目：江苏省农业科技自主创新资金［编号：CX(21)3053］。
作者简介：王子洋(1996—)，女，江苏徐州人，硕士研究生，主要从事食品与生物技术研究。E-mail：leigang.zh@163.com。
通信作者：朱耀华，高级农艺师，主要从事农学研究与技术推广，E-mail：5965258@163.com；张雷刚，博士，副研究员，主要从事微生物菌剂研发，E-mail：leigang.zh@163.com。
更新日期/Last Update: 2023-09-20