桃果顶坏死病因及其防治方法研究

Causal Agent of Peach Fruit Top Necrosis and Its Control

通过用原子吸收分光光度法对桃叶含钙量检测、叶、果和根部施用营养元素校正以及生长调节剂诱发等诊断方法,表明桃果顶坏死病由缺钙引起。在寿县、固镇及安徽农业大学进行增施钙肥多点大面积防治试验,均收到良好效果。

Peach leaf analysis by atomic absorption spectroscopy, foliage dressing and top dressing, andgrowth adjustment with growth regulator make a definite diagnosis that necrosis on top area ofpeach fruit is caused by calcium deficiency. Calcium was successfully applied against top necrosisof peach fruit in Shouxian County, Guzhen county and Anhui Agricultural University.