Welcome to Chinese Agricultural Science Bulletin,

Chinese Agricultural Science Bulletin ›› 2022, Vol. 38 ›› Issue (28): 114-122.doi: 10.11924/j.issn.1000-6850.casb2022-0455

Special Issue: 生物技术 植物保护 园艺

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Major Diseases and Insect Pests of Litchi in Yunnan

SONG Yunlian(), LUO Xinping, ZHANG Yong, ZHENG Jian, WANG Yuequan, GAO Xianyun, ZHANG Huiyun()   

  1. Institute of Tropical and Subtropical Cash Crops, Yunnan Academy of Agricultural Science, Baoshan, Yunnan 678000
  • Received:2022-06-06 Revised:2022-07-26 Online:2022-10-05 Published:2022-09-28
  • Contact: ZHANG Huiyun E-mail:2469941801@qq.com;ynkmzhy@163.com

Abstract:

The study aims to observe and sort out major diseases and insect pests of litchi in Yunnan Province, and to give scientific guidance and solution to the prevention and control of litchi diseases and insect pests. A field investigation was conducted in five different litchi-planting areas of Yunnan from 2019 to 2021. The circular distribution statistical method was used to sort out the commonly occurred diseases and major economic pests of litchi. Based on the results, there were 7 common diseases of litchi in Yunnan, mainly Peronophythora litchii, Colletotrichum spp., and Phomopsis guiyuan. 31 insect pest species were observed, mainly Conopomorpha sinensis, Tessaratoma papillosa and fruit moths. The peak seasonal time of major diseases and insect pests (Conopomorpha sinensis, Peronophythora litchii, fruit moths and Tessaratoma papillosa) was from May to August. The Colletotrichum spp. was on peak from April to September, and Phomopsis guiyuan was active from March to September. At present, main diseases and insect pests of Yunnan litchi are concentrated from March to September, which is the key period for the prevention and control of diseases and insect pests.

Key words: litchi, Yunnan, species of pests and kinds of diseases, harmful situation, occurrence regularity, circular distribution statistics

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