除日本、中国台湾和其它有限的一些地区外,世界大多数落叶果树和胡桃种植区,都有苹果蠢蛾Cydia pomonella(L.)为害。日本仅允许胡桃仁进口。直到最近,由于胡桃壳有可能带虫,在收获期出口到日本的胡桃仍要求去壳。作者了解到加里福尼亚的学者虽然还没报道,但已研究出溴甲烷熏 With the exception of Japan, Taiwan and other limited areas, most of the world’s deciduous and walnut growing areas are cydia pomonella (L.) -based. Japan only allows walnut imports. Until recently, as the walnut shell had the potential to take worms, the pecans exported to Japan during the harvest still required husking. The authors learned that although Californian scholars have not yet reported, methyl bromide has been studied