Progress in research on quinoa downy mildew and its integrated control

doi:10.11686/cyxb2024465

Abstract

Abstract:

Quinoa （Chenopodium quinoa） has a rich and balanced nutrient profile， and also shows excellent stress resistance. It is an important crop because it increases farmers’ income and contributes to national food security in China. Quinoa downy mildew is the most destructive disease of this crop plant worldwide， and it seriously restricts the development of the quinoa industry. Quinoa downy mildew is caused by the oomycete Peronospora variabilis， and its heterothallic mating system is the driving force for its continuous evolution and pathogenicity differentiation of pathogen populations. Seed-borne pathogens can spread over long distances and cause systemic infections. Therefore， it is very difficult to control this disease. Research on quinoa downy mildew in China has lagged behind that in other countries， where extensive studies have been conducted. Downy mildew pathogens were initially misidentified， which affected the progress of research in this field. In this review， we systematically summarized the occurrence and damage， pathogen identification， biological characteristics and infection cycle of quinoa downy mildew caused by Peronospora variabilis. Furthermore， we discussed the agricultural， physical， biological， and chemical methods used to control quinoa downy mildew. Finally， we addressed existing challenges in current research， and proposed future research priorities and directions. The overall aim of this review is to provide a reference and guidance for further research on quinoa downy mildew in China.

Key words: quinoa, downy mildew, Peronospora variabilis, integrated control

Chang WANG, Geng-mei MIN, Li-juan ZHANG, Jian-ying LU, Zao-xia NIU, Yu-ming WEI, Fa-rong YANG. Progress in research on quinoa downy mildew and its integrated control[J]. Acta Prataculturae Sinica, 2025, 34(9): 194-205.

Figures/Tables 4

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地区 District	国家 Country	参考文献 Reference
南美洲South America	秘鲁Peru；阿根廷Argentina；玻利维亚Bolivia；智利Chile；哥伦比亚Colombia；厄瓜多尔Ecuador	［26］
北美洲North America	墨西哥Mexico；加拿大Canada；美国United States	［29，31］
欧洲 Europe	丹麦Denmark；葡萄牙Portugal；法国France；荷兰Netherlands；英国United Kingdom；瑞典Sweden；意大利Italy	［30，32-33］
亚洲Asia	中国China；印度India；韩国Republic of Korea	［9，14，21］
非洲Africa	肯尼亚Kenya；埃及Egypt；摩洛哥Morocco	［28，34］

地区 District	国家 Country	参考文献 Reference
南美洲South America	秘鲁Peru；阿根廷Argentina；玻利维亚Bolivia；智利Chile；哥伦比亚Colombia；厄瓜多尔Ecuador	［26］
北美洲North America	墨西哥Mexico；加拿大Canada；美国United States	［29，31］
欧洲 Europe	丹麦Denmark；葡萄牙Portugal；法国France；荷兰Netherlands；英国United Kingdom；瑞典Sweden；意大利Italy	［30，32-33］
亚洲Asia	中国China；印度India；韩国Republic of Korea	［9，14，21］
非洲Africa	肯尼亚Kenya；埃及Egypt；摩洛哥Morocco	［28，34］