In 2019, due to the higher temperature and precipitation with previous years, and the lower basic number of main pests and diseases before winter, pests and diseases are severely occurred in winter wheat regions of China. The total area affected by wheat yellow rust (Puccinia striiformis), sheath blight (Rhizotonia cerealis), aphid (Sitobion avenae & Rhopalosiphum padi) and Fusarium head blight (Fusarium graminearum) is estimated to be 23.7 million hectares

In 2018, soybean mosaic virus and soybean aphid (Aphis glycines Matsumura) slightly occurred in four main soybean production countries, including America, Brazil, Argentina, and China.

In September 2018, rice blast (magnaporthe oryzae) and rice planthopper (nilaparvata lugens) slightly occurred in twelve main rice production countries, including China, India,  Thailand, Bangladesh, Indonesia, Myanmar, Vietnam, Cambodia, Philippines, Pakistan, Nepal and Laos.

In 2018, due to the lower temperature and higher precipitation than previous years, pest and disease are moderately occurred in maize regions of China. The total area affected by maize armyworm (Mythimna separata), maize northern leaf blight (Setosphaeria turcica) reaches 6.2 million hectares.

In 2018, due to the lower temperature and higher precipitation than previous years, pest and disease are moderately occurred in rice regions of China. The total area affected by rice planthopper (Nilaparvata lugens), leaf roller (Cnaphalocrocis medinalis) and sheath blight (Rhizoctonia solani Kühn) reaches 18.2 million hectares.

Mid September in 2018, due to the lower temperature and higher precipitation than previous years, pest and disease are moderately occurred in maize regions of China. The total area affected by maize armyworm (Mythimna separata), maize northern leaf blight (Setosphaeria turcica) reaches 6.2 million hectares

Middle September in 2018, due to the lower temperature and higher precipitation than previous years, pest and disease are moderately occurred in rice regions of China. The total area affected by rice planthopper (Nilaparvata lugens), leaf roller (Cnaphalocroci- s medinalis) and sheath blight (Rhizoctonia solani Kühn) reaches 18.2 million hectares.

Early September in 2018, due to the similar temperature and higher precipitation than previous years, pest and disease are moderately occurred in maize regions of China. The total area affected by maize armyworm (Mythimna separata), maize northern leaf blight (Setosphaeria turcica) reaches 6.1 million hectares.

Early September in 2018, due to the similar temperature and higher precipitation than previous years, pest and disease are moderately occurred in rice regions of China. The total area affected by rice planthopper (Nilaparvata lugens), leaf roller (Cnaphalocrocis medinalis) and sheath blight (Rhizoctonia solani Kühn) reaches 17.1 million hectares

Early August in 2018, due to the higher temperature and higher precipitation than previous years, pest and disease are moderately occurred in maize regions of China.  The total area affected by maize armyworm (Setosphaeria turcica) reaches 3.0 million hectares. (Mythimna separata), maize northern

leaf blight.

Early August in 2018, due to the higher temperature and higher precipitation than previous years, pest and disease are moderately occurred in rice regions of China. The total area affected by rice planthopper (Nilaparvata lugens), leaf roller (Cnaphalocroc- is medinalis) and sheath blight (Rhizoctonia solani Kühn) has reached 13.1 million hectares.

During April to May 2018, wheat rust (Puccinia striiformis), Fusarium head blight (Fusarium graminearum), aphid (Sitobion avenae & Rhopalosiphum padi)  slightly occurred in ten main wheat production countries, including Russia, France, Turkey，China, Pakistan, United States, Germany, Iran, Uzbekistan, and United Kingdom.