核桃黑斑病的发生与防治高术国，苏萃军，鞠红波（河北省抚宁县职业技术教育中心０６６３００）核桃黑斑病又名黑腐病，发病后造成幼果腐烂和早期落果，不脱落的病果核壳污黑，出油率下降，严重时核仁黑烂而失去经济价值。近几年该病在河北省东北部如石门等核桃产区已成蔓... Walnut black spot disease occurrence and prevention and control High technology country, Su Cuijun, Ju Hongbo (Hebei Province Funing County Vocational and Technical Education Center 066300) Walnut black spot disease, also known as black rot disease, after the onset of young fruit decay and early fruit drop, do not fall off The result of the nuclear shell black, the decline in oil yield, severe black kernel rotten while losing economic value. In recent years the disease in northeastern Hebei Province, such as Shihmen and other walnut producing areas has become a man ...