柑桔幼果期注意果梗炭疽病的防治笔者１９９０年在本县柑桔场承包了２ｈｍ２柑园，由于当时不了解这片果园会发生果梗炭疽病，未进行预防。结果到了９月份遇到几次阴雨后，该病开始表现症状：果顶脐部先出现黄豆大黄色病斑，以后脐部出现微裂，部分出现裂果，最后果蜜盘... Citrus young fruit attention stems anthrax prevention and control author in 1990, the citrus farm contracted 2hm2 orange garden, because at that time do not know this piece of orchard stems will occur anthracnose, did not prevent. The results in September after several rainy days, the disease began to show symptoms: fruit top umbilicus first appeared yellow big yellow spots, umbilical after emergence of micro-cracks, the partial emergence of cracked fruit, and finally honey plate ...