tonsil species resources (germplasm resources of almond)

has a certain genetic material, in tonsil production and breeding has the use of valuable plants in the general term. There are about 40 kinds of tonsils in the world. Originally from Asia Minor, Syria, Iran and even Asia Central Asia. Cultivated only ordinary tonsils (Prunus communis Fritsch.). Most of the cultivated species currently used in the main countries of tonsils are hybrids. A small amount of tonsil cultivation in Xinjiang, China, includes dozens of farm varieties and types. Several wild species of tonsils in China are shrubs. Mainly distributed in the shallow mountain belt slope, semi-yang slope and open valley. Magpie, drought-tolerant, barren soil, can grow on gravel, gravel, stone walls. Transplanting is not easy to survive, and the main seeds that are usually reproduced with seeds are: Prunus mongolica Maxim., P. tangutica Korsh., P. p. pedunculatus Pall., and P.tenella Rehd.