杨梅(Myrica rubra S.et Z),别名珠红、树梅。杨梅是我国南方的特产,是汕头市丘陵山地的优良杂果之一,也是林果结合造林的主要果树之一。广东省汕头市人工经营杨梅的历史悠久,目前全市各地均可见到生长发育颇好的植株和林乡。潮阳县西胪区有杨梅面积近万亩,所产鲜果远销香港以及东南亚各国。但是,因长期的自然选择和人为定向培育,目前汕头市的杨梅品种繁多。品种之间的特性差异很大,良种的果实大、核小而酥,肉厚结实,酸甜可口,而劣种则反之。同时,因 Myrica rubra S.et Z, alias bead red, plum. Yangmei is a specialty of southern China and is one of the fine hybrid fruits in hilly mountainous areas of Shantou City. It is also one of the major fruit trees combined with afforestation. Yangmei, a man-operated business in Shantou, Guangdong Province, has a long history. At present, plants and forestry townships with quite good growth and development can be seen throughout the city. Xiyang District, Chaoyang District, there are nearly million acres of bayberry, the fruits are exported to Hong Kong and Southeast Asian countries. However, due to long-term natural selection and man-made cultivation, there are a wide variety of red bayberry in Shantou. The characteristics of varieties vary widely, the seeds of large seeds, small and small nuclear, thick meat, sweet and sour, while the poor species on the contrary. At the same time, because