以尤力克柠檬、维拉法兰卡柠檬(法国柠檬)、Goliath柚、沙莫蒂甜橙和伏令夏橙为试材。其中维拉法兰卡柠檬包括两个选系,一种为普通型,另一种为果实易感绿霉腐烂的易腐型。试验果直接取自果园或包装房(果产自同一果园,果个大小和外观一致),随机取样进行各种不同处理。 With Euclidean lemon, Verafranca lemon (French lemon), Goliath pomelo, Chamoid orange and Vladimir summer orange as the test material. Among them, Verafranca lemon consists of two lines, one of common type and the other of perishable forms of green mold rot susceptible to the fruit. The test fruits are taken directly from orchards or packing houses (fruit from the same orchard, the same fruit size and appearance), random sampling for a variety of different treatments.