Wintersweet originates in China formerly, already 3000 help advance somebody's career for years the history. Because it is right the adaptability of environment and plasticity are stronger, produce mutation and become divided ceaselessly, together with from of old people is right the seed selection of its again and again, already had 300 up to now many breed .
Whole to the scientific classification of breed of our country wintersweet sleave only then 1942 Ceng Mian is taught [2] . There were Wang Juyuan and Chen Jun cheerful 1945 two professors [3] . However, what remarkable success gains in this domain after this oneself is professor of Chen Jun cheerful however. As a result of he and with classics of his other colleague all previous the exploration of unremitting of half many century and with great concentration study, make breed of our country wintersweet not only increase more than current 300 by 15 contemporary and original, and still pass more than iteration is revised, put forward 5 kinds to include 3 kinds of departments at summing up sexual ground 1999 18 model " Chinese wintersweet breed classifies newest correction system " [4~12] . Without doubt, the wintersweet breed that he is contemporary our country and even world be worthy of classifies an expert. However, in " Chinese wintersweet breed classifies newest correction system (1999) " in, author discovery still is put in the place with certain and undeserved move, now will among them main opinion is discussed as follows.
1 about Li Shu (Prunus L. ) concept
250 come for years, the plant taxonomy home of world each country people to Li Shu (Prunus L. ) connotation and limits are existing all the time on classified processing several kinds of of broad sense and narrow sense different ideas and opinion, divide and close, close and divide, still did not reach consistent consensus up to now. " Chinese plant records " thirtieth 8 (1986) adopted to Li Shu " Russia plant records " (1941) in the classification of the narrow sense that offers treats an opinion, the Li Shu broad sense (Prunus L. , s.l. , 1754) cent is belonged to for peach (Amygdalus L. ) , apricot is belonged to (Armeniaca Mill. ) , the Li Shu of narrow sense (Prunus L. , s.str. , 1753) , cherry is belonged to (Cerasus Mill. ) , stiff Li Shu (Padus Mill. ) Ji Guiying is belonged to (Laurocerasus Tourn.ex Duh. ) . The author thinks, by the Li Shu of broad sense after fractionation each belong to the difference between not quite too small even (if apricot belongs to the Li Shu with narrow sense) , still can't serve as the processing that belong to class. Accordingly, the article still introduced the classified idea of broad sense to Li Shu, this and the viewpoint that Chen Jun cheerful teachs are consistent.
The classified grade of 2 cherry Li Mei and apricot plum
About cherry the plant of Li Mei and apricot plum classifies a problem, home has not see up to now have detailed story, mix the author to their delve now research is discussed as follows as a result.
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