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Forecasts on Crop Pests and Diseases in China

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Publish time: 9th April, 2021      Source: CCM
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Based on comprehensive analysis of previous occurrence of pests and diseases, crop distribution, planting methods and climatic trend, the occurrence area of major corn pests and diseases may reach 29.33 million ha. in 2021, up 13.4% year on year. It is predicted that the Class-I crop pests and diseases will occur heavily in 2021, with an occurrence area of 95.20 million ha., an increase of 17.5% compared with that in 2020. Thereinto, Class-I crop pests and diseases, such as Spodoptera frugiperda, wheat stripe rust, rice planthopper and rice leaf roller, are very likely to occur severely.

According to the National Agro-Tech Extension and Service Center (NATESC) and some experts, major pests and diseases of grain crops such as wheat, rice and corn will break out heavily, affecting an area of 140.00 million ha. in total, a year-on-year increase of 14%, which threatens more than 70% of the agricultural production areas in China.

In addition, potato late blight will happen heavily in most areas of the Southwest China, eastern part of Northwest China, Northeast China and northern part of North China. It is expected that Loxostege sticticalis will occur heavily in most part of Inner Mongolia Autonomous Region, western part of Northeast China. Overall occurrence of migratory locusts will be slight in China. It is worth noting that desert locust and Ceracris kiangsu Tsai may invade the border of Southwest China again.

In this report, CCM will provide the forecasts on the occurrence of pests and diseases in China in 2021 from the following aspects:
√ Class-I crop
√ Rice
√ Wheat

   √ Corn

  

  

  

  

  

  Main contents:

                                                                                                                                                                                                                                                                                                                                                                                                                                                                               
        No.                Content                
        

      
        
      		          Executive summary                
      
        
      		          Methodology                
      
         1                 Forecasts on crop pests and diseases in China in 2021                
      
         1.1                 National overall occurrence forecasts on crop pests and diseases                
      
         1.2                 Regulation on the prevention and control of crop pests and diseases                
      
         2                 Forecasts on the Class-I crop pests and diseases in China in 2021                
      
         2.1                 Prediction of overall occurrence of the Class-I crop pests and diseases                
      
         2.2                 Forecasts on major pests in China in 2021                
      
         2.3                 Forecasts on major diseases in China in 2021                
      
         3                 Forecasts on pests and diseases on three major crops in China in 2021                
      
         3.1                 Forecasts on pests and diseases of major crops in China in 2021                
      
         3.2                 Forecasts on corn pests and diseases in China in 2021                
      
         3.3                 Forecasts on rice pests and diseases in China in 2021                
      
         3.4                 Forecast on wheat pests and diseases in China in 2021       

  

  

  List of tables:

                                                                                                     
        Table No.                Table Title       
         Table 3.2-1                 Forecasts on occurrence area of corn pests and disease in China, 2017–2021       
         Table 3.3-1                 Forecasts on occurrence area of rice pests and disease in China, 2017–2021       
         Table 3.4-1                 Forecasts on occurrence area of rice pests and disease in China, 2017–2021       

  

  

  List of figures:

                                                                                                                                                                                                                                                                                                                                                     
        Figure No.                Figure Title       
         Figure 2.2-1                 Prediction of Spodoptera frugiperda occurrence in 2021       
         Figure 2.2-2                 Prediction of Locusta migratoria occurrence in 2021       
         Figure 2.2-3                 Prediction of Loxostege sticticalis occurrence in 2021       
         Figure 2.2-4                 Prediction of armyworm occurrence in 2021       
         Figure 2.2-5                 Prediction of rice planthopper occurrence in 2021       
         Figure 2.2-6                 Prediction of rice leaf roller occurrence in 2021       
         Figure 2.2-7                 Prediction of Chilo suppressalis occurrence in 2021       
         Figure 2.2-8                 Prediction of wheat aphid occurrence in 2021       
         Figure 2.3-1                 Prediction of wheat stripe rust occurrence in 2021       
         Figure 2.3-2                 Prediction of wheat scab occurrence in 2021       
         Figure 2.3-3                 Prediction of rice blast occurrence in 2021       
         Figure 2.3-4                 Prediction of southern rice black-streaked dwarf disease occurrence in 2021       
         Figure 2.3-5                 Prediction of potato late blight occurrence in 2021       

  

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