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建昌县位于辽宁的西部山区,自然情况是七山一水二分田,气候条件是十年九春旱,且风大,气候干燥,但日照时长,光照充足。因此,在自然裸地栽培条件下,植物病害特别是果树病害很少成灾。但2005年本县的和尚房子和养马旬子等梨主产乡,却遭到梨黑星病(Venturia pyrina Aderh.)的严重为
Jianchang County is located in the western mountainous area of Liaoning Province. The natural condition is Qishan-Shuidiantian. The climatic conditions are ten years of spring drought, with large winds and dry climate. However, when the sunshine period is long and there is sufficient light, Therefore, under natural cultivation conditions, plant diseases, especially fruit tree diseases, rarely cause disaster. However, in 2005, the monk house and the main producing pear farm in this county were seriously affected by Venturia pyrina Aderh.