A Study on Seed Characteristics of Large Berry Cultivars of Sea Buckthorn

Seed characteristics of 11 Russian Cultivars and 1 Mongolian Cultivar of sea buckthorn(Hippophae rhamnoides) were studied at 2 sites in Shuiling of Heilongjiang and Dengkou of Inner Mongolia.The results showed:((1)The) 1 000-seed-weight and the value of seed characteristics of Chinese Sea Buckthorn were lower obviously than Large Berry Cultivars of Sea Buckthorn introduced;The 1 000-seed-weight and the value of seed characteristics of Large Berry Cultivars of Sea Buckthorn in Shuiling were higher than that in Dengkou;according to the ratio of length to width and figure of seed,Chinese Sea Buckthorn and Large Berry Cultivars of Sea Buckthorn could be divided initially.(2)For most Cultivars,the correlation of width and length was stable for the factors of genetics and environment,comparatively,the thickness was relatively stable.(3)The seed characteristics,such as length,width,ratio of length to width,had greatly obvious relationship,especially for the length of seed;the 1 000-seed-weight and 100-berry-weight had significantly linear correlation.(4)At the beginning of germination,the germination percentage of Chinese Sea Buckthorn was more higher than that of Cultivars introduced;14 days later,all Cultivars got to the biggest germination percentage,the Cultivars whose germination percentage was above 67% included Wulangemu,Fengchan,Juren,No.1 of Shuijing and Katunilipin.(5)The content of vitamin E and total flavones in seed of different Large Berry Cultivars of Sea Buckthorn had significant difference;the saturated fatty acid of introduced Cultivars was obviously higher than that of Chinese Sea Buckthorn,and the saturated fatty acid in seed of different Large Berry Cultivars of Sea Buckthorn had significant difference.