几种杀菌剂防治脐橙溃疡病药效试验脐橙果大质优，但极易感染溃疡病，造成落叶落果，影响树势和产量，严重降低商品价值。为此，我们于１９９５年进行了几种杀菌剂的药效试验，旨在探求防治脐橙溃疡病的较好药剂。试验在本场６年生罗伯生脐橙园进行。设７７％可杀得可湿性... Several fungicides to control the effect of navel orange ulcer efficacy test Navel orange fruit of high quality, but extremely susceptible to ulcer disease, causing deciduous fruit drop, affecting the tree vigor and yield, seriously reducing the value of the commodity. To this end, we carried out in 1995, several fungicide efficacy tests aimed at exploring a better agent to control umbilical orange canker disease. Test in the field 6-year-old Robertson navel orange park. Set 77% to kill wet ...