On 24 March, 2015, the National Agro-Tech Extension and Services Center (NATESC) released a pest & disease prediction. Accordingly, in 2015:
- Sufficient bacterial sources in main sclerotinia sclerotiorum occurrence regions
- Relatively high apothecia density in field
- Time for rape flowering and sclerotial germination advanced YoY
- Relatively large rainfalls in low- and middle reaches of Changjiang River and northern Jiangnan
Therefore, it is predicted that the occurrence of sclerotinia sclerotiorum in autumn sowing in 2015 will be severer than 2014, occurrence area reaching 3.3 million ha. Specifically:
- Outbreak: Jianghan Plain (Hubei Province) and northern Jiangxi Province
- Severe occurrence: most areas of Jiangnan and low- and middle reaches of Changjiang River
- Moderate occurrence: Southwest China and other autumn-sown rape production regions
By 20 March, 2015, sclerotinia sclerotiorum has stricken12 province/municipalities) in total, occurrence area being 1.0 million ha with a YoY rise of 10.8%. In comparison with the average in 2008-2014, it is estimated that the occurrence areas in Sichuan, Hunan and Zhejiang provinces and Chongqing Municipality will increase in 2015.
Regarding the peak period for occurrence:
-From late March to mil-April: most areas of Southwest China, Hubei, Hunan, Jiangxi and Anhui provinces.
-From mid-April to early May: Jiangsu, Zhejiang, Henan provinces, southern Henan Province and Shanghai.
Figure : Predicted occurrence regions for sclerotinia sclerotiorum, 2015
NOTES TO EDITORS
China Pesticide Industry Overview 2014
Think Real is making efforts to research domestic pesticide situation in 2014 throughout comprehensive aspects. In the report of China Pesticide Industry Overview_ 2014, it is concerned with policies, top 10 events, pesticide registration, production, price, import & export, market demand, merger & acquisitions and R&D in domestic industry. In addition, the report has presented basic situations on planting area of crops and pests & diseases in China, provide convenience to recognize China’s pesticide more comprehensively.
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