地处川中丘陵的遂宁市,柑桔流胶病和脚腐病发生十分普遍。据初步调查,全市1660多万株柑桔树约有10％的植株不同程度发病;轻者叶黄树衰,重者整株死亡。虽然采取了一些防治措施,但收效不佳。1984年以来,该市果技工作者采用多效霉素 Suining is located in the hilly Sichuan, citrus gum and foot rot disease is very common. According to the preliminary investigation, about 16.6 million citrus trees in the city have about 10% incidence of disease to varying degrees; the light yellow leaves decline, especially in the whole plant. Although some preventive measures have been taken, it has not been effective. Since 1984, the city’s fruit trainee workers use polymyxin