AgroPages-China Corn borer: first generation’s damage predicted to be moderate generally in 2016, 9.3 million ha in total-Agricultural news

By Think Real-According to the National Agro-Tech Extension and Service Center (NATESC)’s projection published on 13 June, 2016, the number of live corn borers on 100 plants in most planting areas this year is lower than those in conventional years including 2015. The first generation of corn borer is predicted to heavily strike the western part of Northeast China, the northern part of Xinjiang Uygur Autonomous Region and some regions in the Huang-Huai-Hai Area; moderately in North China, the rest of Northeast China and the Huang-Huai-Hai Area; and slightly in the rest of the planting areas in the country. Estimation of the total occurrence area of the first generation pests would be around 9.3 million ha.

It’s predicted that the period from mid-June to late July would be the peak period for adult emergence of the first-generation corn borer in most corn-growing areas this year. The emergence has already started in southern areas including Hunan Province and Yunnan Province as early as in May.

Table 15: Average number of live corn borers (first generation) on 100 plants in different regions in 2016

City/province/region	Number of live pests on 100 plants (head)	Change again the past five years’ average	YoY change
Liaoning	70	-17.2%	106.0%
Jilin	45.8	-26.3%	60.7%
Henan	24.3	-18.6%	38.9%
Hebei	20.7	-18.9%	27.0%
Shanxi	14.9	-26.8%	26.3%
Shandong	33	26.2%	22.2%
Tianjin	13.6	-29.2%	0.0%
Xinjiang	33	-32.0%	-7.8%
Chongqing	5.6	-33.1%	-9.7%
Heilongjiang	41.6	-62.5%	-10.0%
Hunan	12	-42.7%	-14.3%
Shaanxi	9.6	-40.6%	-15.8%
Hubei	15.3	-35.3%	-19.5%
Sichuan	6.6	-55.9%	-25.8%
Inner Mongolia	21.1	-40.5%	-37.9%
Beijing	3.8	-72.7%	-39.7%
Anhui	16.2	-60.4%	-41.7%
Jiangsu	15.5	-41.6%	-56.2%

Source: NATESC

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China Corn borer: first generation’s damage predicted to be moderate generally in 2016, 9.3 million ha in total

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