Research Of The Black Currant Varieties Resources Morphological Characteristics And Fruit Characteristics

This thesis uses27black currant varieties as test material in Northeast AgriculturalUniversity Horticultural Experimental Station,Black currant varieties resource morphologicalcharacteristics and fruit characteristics investigation began in early April, The two parts of thesub-field trials and laboratory analysis of fruit nutrients. Detailed investigation cited from Russia,Poland, as well as China’s own breeding varieties resources phenophase, Botanical charactersand fruit characteristics. System Comparison and analysis of the resources of all varieties, Itsestablishment of a variety of quality resources characteristics file. Provide services for theproduction. To provide a scientific basis for the breeding of new varieties of black currant.Protection of black currant industry healthy and sustainable development. Through theinvestigation the following conclusions:1. Phenological phases between the different varieties of black currant obvious differences,Even quoted from the different varieties of the same country there are also obviousdifference, View from the varieties from different countries, Russian varieties than in thePolish and Chinese varieties germinate as early as2to3days, The Russian varieties than inthe Polish and Chinese varieties mature as early as8to22days.2. There are significant differences between the morphological characteristics of differentvarieties of black currant varieties resources, Overall, Russian varieties blade lengthdifferences than in the Polish and Chinese varieties, Blade width difference between theRussian and Polish varieties significantly, Little difference between the Chinese varieties.The difference between the the petiole length difference between the Russian varieties thanin the Polish and Russian varieties.3. Polish and Chinese varieties of black currant, Plexus high relative Russia varieties, thesevarieties of strains higher. Poland and Chinese varieties crown width, Overall varieties oftree species in Poland and China flourished and large.4. From fruit size and yield, Russian varieties of fruit size and yield of individual plants ishigher than in Poland and China varietiesm. And the fruit is very neat.5. The high percentage of soluble sugar in the fruit varieties, Russia’s Jin da li,Suo fei ya,Bai eluo si tian and Bin hai ming zhu. Polish’s Brodtrop,and China’s Han feng. Organic acids witha high percentage of fruit varieties, Russia’s Ge lu bu ji,Ge jin,Jin da li,Wu su li,Bin hai mingzhu,Wei da and Ba ji la. Polish’s Oiebyn Lu de ke, FeTtodi,Bai er wen,Men di ke and china’sHan feng.6. The high content of flavonoids in fruit varieties is Russia’s Ge lu bu ji,Ge jin,Ji nian li sawen ke,Ji ke wen ka,Ya de,Zi ge shi sheng and Wei da. Polish’s Oiebyn, Brodtrop, Fettodi,Lisang jia and Benlomont. 7. Soluble solids content of more than15%of the fruit varieties is Russia’s Bai e luo si tian,Binhai ming zhu,Ji ke wen ka. Polish’s Bai er wen and Oiebyn,China’s Wan feng and Liang yehou pi.