Effect of Different Treatment on Seed Germination of Malus baccata
To provide a theoretical basis for breeding of Tibet apple seedlings, the study was conducted to explore the seed germination and potentiality of M. baccata under different concentrations of GA3 and wet sand stratification and different storage years. The results showed that the germination percentage and potentiality of seed could reach more than 85% after 55 days of stratification. After 3 years of storage the seed vigor was significant ly decreased; GA3 treatment of high concentration could break M. baccata seed dormancy, of which 2 000 mg/L was the best, while the germination rate and potentiality of seed was up to 71. 9% and 64. 2%. M. baccata with the cold stratification for 25 d and presoaked a low concentration of GA3 could further improve the germination percentage and potentiality, of which 300 mg/L was the best, the germination rate and potentiality average could be up to 77. 9% and 67. 5%.
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万方数据
维普
