【摘 要】
：
一,田间症状识别本病以树冠上部和外围发生较多。进行产地调查时要特别注意对感病品种(甜橙、酸橙等)的检查。夏秋新梢、嫩叶和幼果较易发病,春梢和夏秋梢宜在5月下旬至7月
【机 构】
：
四川省农牧厅植检站,四川省农牧厅植检站,
论文部分内容阅读
一,田间症状识别本病以树冠上部和外围发生较多。进行产地调查时要特别注意对感病品种(甜橙、酸橙等)的检查。夏秋新梢、嫩叶和幼果较易发病,春梢和夏秋梢宜在5月下旬至7月上旬调查,果实宜在7月下旬调查。
First, the field symptoms to identify the disease to the crown and the periphery of the more. Special attention should be paid to the examination of susceptible varieties (sweet oranges, limes, etc.) when producing origin. Summer and summer shoots, young leaves and young fruit are more susceptible to disease, spring shoots and summer and autumn shoots should be in late May to early July investigation, the fruit should be investigated in late July.
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