贝莱斯芽孢杆菌E17-23及其应用

CN119410552BActive Publication Date: 2026-07-17PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
PLANT PROTECTION RES INST OF GUANGDONG ACADEMY OF AGRI SCI
Filing Date
2024-12-11
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

There is a lack of Bacillus belysus strains in the current technology that can simultaneously inhibit broad-spectrum plant pathogenic bacteria and fungi in citrus and bananas and promote plant growth.

Method used

Bacillus velezensis E17-23, with accession number GDMCC No. 64580, is provided. It can inhibit citrus Huanglongbing, citrus canker, citrus brown spot, citrus anthracnose, citrus grease spot, banana wilt, and banana long spot, and promote plant growth.

Benefits of technology

Bacillus berberis E17-23 showed a significant inhibitory effect on citrus canker pathogens, with an inhibition zone diameter of 3.17±0.12 cm. It also showed an inhibition effect of over 60% on other pathogens and significantly promoted plant growth, increasing the number of new leaves by 208.5%. The control effect on citrus Huanglongbing reached 51%.

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Abstract

本发明涉及微生物防治技术领域，公开了贝莱斯芽孢杆菌E17‑23及其应用。本发明的贝莱斯芽孢杆菌E17‑23可抑制柑橘黄龙病菌、柑橘溃疡病菌、柑橘褐斑病菌、柑橘炭疽病菌、柑橘脂点黄斑病菌、香蕉枯萎病菌和香蕉长形斑病菌，抑制效果均大于60％。本发明贝莱斯芽孢杆菌E17‑23的无菌发酵滤液对上述病原菌的抑制效果均大于20.83％以上。本发明贝莱斯芽孢杆菌E17‑23还可促进植株生长，处理后的香橙苗平均生长量较对照组增长177.57％，新叶片数较对照组增长208.5％。本发明贝莱斯芽孢杆菌E17‑23在生物防治和促进植物生长方面的应用，在绿色农业和可持续农业生产中具有重要意义。
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