2009•Xinjiang nongye kexueRequires access
Experiment on the control of downy mildew of grape with several fungicides.
Haiqiang Li, Gao Feng, Ren YuZhong, Guojun Liu, Guoying Li
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Abstract
In this paper,according to the method of containing fragments germination and fungicides protecting and controlling in the field,the controlling effects of 14 chemicals(dose) on grape downy mildew were comparatively studied in the laboratory and field.The results showed that whether in the room and outside 66.8% Melody Duo diluted 800 times,70% Antracol diluted 400 times,78% Cuprofix of 1 300 times,not only had good effects on restraint of the spores germinated in the laboratory,but also on the controlling in the field,whether before the diseases protected or after the disease controlled,all had good effects on the controlling of downy mildew of grape,all three agents were significantly superior to traditional fungicides compared with other ones.The protective effect of Bordeaux mixture was still given apparenly;some other fungicides also had prevention effects.