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喷锌铜波尔多液可减轻金冠苹果果锈苹果的果锈是一种生理病害，以金冠苹果最重。大连北市林场果园选发病重的金冠苹果５株，分别喷倍量式［硫酸铜０．５：生石灰１：水１００（ｋｇ）］、多量式［硫酸铜０．５：生石灰１：水１００（ｋｇ）］，多量式铜锌［硫酸铜０．３：...
Spray Zinc Copper Bordeaux solution can reduce the fruit of Golden Delicious apple fruit rust apple rust is a physiological disease, the Golden Delicious apple heaviest. Five plants of Golden Delicious apple were selected in the orchard of North Forest Farm in Dalian City. Five kinds of golden crown apple kg)], a large amount of copper and zinc [copper sulfate 0.3: ...