|本期目录/Table of Contents|

[1]庞丽,宋昊跃,王春迪,等.哈茨木霉T-aloe防治小麦赤霉病潜能及发酵条件优化[J].江苏农业科学,2023,51(23):132-140.
 Pang Li,et al.Potential of Trichoderma harzianum T-aloe against wheat scab and optimization of fermentation conditions[J].Jiangsu Agricultural Sciences,2023,51(23):132-140.
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哈茨木霉T-aloe防治小麦赤霉病潜能及发酵条件优化(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23期
页码:
132-140
栏目:
植物保护
出版日期:
2023-12-05

文章信息/Info

Title:
Potential of Trichoderma harzianum T-aloe against wheat scab and optimization of fermentation conditions
作者:
庞丽12宋昊跃12王春迪2赵薛红2安慧敏2库园冉2王彩芳2张建夫3葛红莲2张福丽12
1. 三峡大学生物技术研究中心/三峡区域植物遗传与种质创新湖北省重点实验室,湖北宜昌 443000;2.周口师范学院生命科学与农学学院,河南周口 466000; 3.周口师范学院化学化工学院,河南周口 466000
Author(s):
Pang Liet al
关键词:
哈茨木霉生物防治小麦赤霉病液体发酵产孢量培养基优化
Keywords:
-
分类号:
S435.121.4+5
DOI:
-
文献标志码:
A
摘要:
对哈茨木霉T-aloe促进小麦生长和防治小麦赤霉病的潜能进行分析,并对其液体发酵条件进行优化。通过平板对峙试验发现,T-aloe能够抑制小麦赤霉病原菌PH-1生长,抑菌率为72.38%。通过温室试验发现,T-aloe可以促进小麦幼苗生长,提高小麦的抗病性。在无小麦赤霉病菌胁迫下,T-aloe提高小麦幼苗的株高、根长和叶片含水量,其中叶片含水量提高1.01倍,株高和根长分别提高16.7%和16.2%。在小麦赤霉病菌胁迫下,T-aloe提高小麦体内抗氧化酶POD和CAT活性28.17%和39.33%,同时降低了MDA和游离脯氨酸含量34.26%和25.71%。通过田间试验发现,T-aloe对小麦赤霉病的防治效果达到了68.42%,且高于阳性对照口恶霉灵。通过正交试验发现,糖蜜-酵母膏培养基为T-aloe液体发酵产孢的最优培养基,最佳培养基条件为:培养温度32 ℃、接种量5%、转速 180 r/min,产孢量可达1.82×108 CFU/mL,比优化前提高64.91%。综上所述,哈茨木霉T-aloe是1株既能促进小麦生长又能防治小麦赤霉病的优势菌株。为了哈茨木霉T-aloe进一步商业化应用,对发酵条件进行优化,提高哈茨木霉T-aloe的产孢量,为哈茨木霉T-aloe的应用提供理论依据和奠定基础。
Abstract:
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备注/Memo

备注/Memo:
收稿日期:2023-02-23
基金项目:河南省重大科技专项(编号:221100110700);河南省重点研发专项(编号:221111112400);河南省科技攻关项目(编号:222102110060);河南省高等学校重点科研项目(编号:20A210031、21B210013);周口师范学院产学研合作项目(编号:2020365)。
作者简介:庞丽(1998—),女,山西运城人,硕士研究生,从事木霉资源挖掘与小麦抗逆生理研究。E-mail:pangli202210@163.com。
通信作者:张福丽,博士,教授,从事有益微生物资源挖掘与应用研究。E-mail:zhangfl2007@126.com。
更新日期/Last Update: 2023-12-05