China is a country threatened by serious
biological disasters, where all kinds of pests and diseases on crops
have occurred heavily and frequently. Especially due to the influence of
global climate change and other factors in recent years, it has been
under attack by pests such as Spodoptera frugiperda and Schistocerca
gregaria, as well as rice planthopper; and diseases such as wheat stripe
rust, southern rice black-streaked dwarf disease and rice ragged stunt.
After years of scientific control, China has managed to reduce the
occurrence of pests and diseases on crops in general. According to the
National Agro-tech Extension and Service Centre (NATESC), the annual
occurrence areas of pests, diseases, weeds and rodents in 2017–2022 were
between 400 million ha and 437 million ha collectively.
In
China, pests and diseases on three major crops (wheat, rice and corn) in
2022 were under effective control, as data show the loss ratio was down
0.19 percentage point to 4% in the year. The overall occurrence area of
three major corn pests (Spodoptera frugiperda, armyworm and corn borer)
and two diseases (southern corn rust and northern leaf blight) in 2023
is estimated to be up by 20.8% year on year.
In this report, CCM
will provide the overview of occurrence, control and yield loss of crops
resulted by pests, diseases, weeds and rodents in 2012-2022, as well as
forecasts on the occurrence of pests and diseases in China in 2023 from
the following aspects:
√ Wheat
√ Rice
√ Corn
Main contents:
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No.
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Content
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Methodology
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Executive summary
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1
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Overview
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1.1
|
Occurrence,
control and yield loss of pests, diseases, weeds and rodents, 2012–2022
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|
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1.2
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Occurrence
of pests and diseases on three major crops in China, 2017–2022
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|
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2
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Review on
control of pests and diseases on major crops in China, 2022
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2.1
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Occurrence of major pests and diseases on wheat in China
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|
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2.2
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Occurrence of major pests and diseases on rice in China
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2.3
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Occurrence of major pests and diseases on corn in China
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|
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2.4
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Occurrence of major pests and diseases on rapeseed in China
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3
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Forecasts of Class-I crop pests and diseases in China in 2023
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3.1
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Forecasts of major pests and diseases on wheat
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3.2
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Forecasts of major pests and diseases on rice
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3.3
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Forecasts of major pests and diseases on corn
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3.4
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Forecasts of major pests and diseases on other crops
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3.5
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Forecasts of major plant quarantine pests and diseases
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List of tables:
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Table No.
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Table Title
|
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Table 1.1-1
|
Occurrence
area, control area and yield loss of pests, diseases, weeds and rodents
in China, 2012–2022
|
|
Table 1.2-1
|
Occurrence
area, control area and yield loss of wheat pests and diseases in China,
2017–2022
|
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Table 1.2-2
|
Occurrence
area, control area and yield loss of rice pests and diseases in China,
2017–2022
|
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Table 1.2-3
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Occurrence
area, control area and yield loss of corn pests and diseases in China,
2017–2022
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Table 3.1-1
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Forecasts on
occurrence area of wheat pest and diseases in China in 2019–2023E,
million ha
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Table 3.2-1
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Forecasts on
occurrence area of rice pests and disease in China in 2019–2023E,
million ha
|
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Table 3.3-1
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Forecasts on
occurrence area of corn pests and disease in China in 2019–2023E,
million ha
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About CCM:
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