According to Zhejiang Plant Protection Station (ZPPS), in 2012 diseases and insect pests of major crops, especially rice, will occur more seriously in Zhejiang Province (an eastern coastal province of China) over last year, based on factors mainly including the cardinal number of overwintering diseases and insect pests, crop distribution, weather trend, etc., according to CCM International’s May issue of Insecticides China News.
It is expected that the occurrence of diseases and insect pests of wheat and rape will moderately occur, while that of rice will be serious. Among rice pests, the damage of migratory pests such as rice brown plant hopper and rice leaf folder will be as serious as that in 2011, and that of first generation of chilo suppressalis and rice sheath blight will be moderate.
The total stricken area of rice diseases and insect pests will accumulatively reach around 8.00 million ha. in Zhejiang
White-backed plant hopper and brown plant hopper will moderately to seriously occur, with occurrence area of about 1.33 million ha. and 1.67 million ha. respectively. And the areas in which rice leaf folder's occurrence will be moderate to serious will hit about 2 million ha. The occurrence of rice stem borer, especially chilo suppressalis, varies in different regions, covering stricken area of 0.67 million ha. In the north of Zhejiang
Recommended insecticides to control brown rice plant hopper mainly include pymetrozine, buprofezin, chlorpyrifos, DDVP and isoprocarb; those for white backed planthopper include imidacloprid, pymetrozine, buprofezin, nitenpyram and thiamethoxam; and those for control of rice leaf roller mainly include abamectin, emamectin benzoate, chloantraniliprole, indoxacarb, phenthoate and profenofos.
In addition, rice sheath blight will moderately to seriously hit paddy fields in Zhejiang
The total stricken area of wheat diseases and insect pests will accumulatively hit about 0.16 million ha. in Zhejiang Province Zhejiang
The total stricken area of rape diseases and insect pests is predicted to accumulatively hit 0.27 million ha. in Zhejiang Zhejiang
Source: Insecticides China
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Insecticides China News, a monthly publication issued by CCM International on 10th of every month, provides the latest and influential analysis on insecticide industry for you, including company dynamics, supply and demand, price analysis, policy, raw material and intermediate.
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