Experts investigating "Black" sunflower determines the onset of yellow wilt.

Zhejiang News Client reporter Lu Zhiyao

On July 3rd, Zhejiang News client reported that "Don't Go to Hangzhou Migang Net Red Sunflower Flower Hai La has become a" black "sunflower area burst." Some netizens asked whether the black part was the seeds of melon.

On the morning of July 8th, the reporter followed the plant disease expert, Associate Professor Chen Weiliang Chen Weiliang of the Institute of Biotechnology, Zhejiang University, to investigate the sunflower sea of ​​the Sunfang Street in Xitang Street, Xihu District, Hangzhou. Chen Weiliang's on -site survey of the disease center of the sunflower sea, pulled up the plants to confirm the internal conditions, and basically confirmed that the sunflower was a yellow disease. In the next step, he will bring some sunflowers back to the laboratory for separation and identification of pathogenic bacteria. On -site experts also given the method of rectification: the first seed disinfection; spraying pharmaceuticals within the second planting range; the prevention of drugs before planting from May to early June.

The staff of the Public Management Office of the Public Management Office on the spot carefully recorded the opinions of the experts. After they go back, they discuss the formulation of rectification measures, and will eradicate the sunflower around the end of July to make the landmark of the sun, so that this place will restore the temperament of the net red punch point.

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