J Integr Plant Biol. ›› 1992, Vol. 34 ›› Issue (9): -.

• Research Articles •    

Phenotypic Variation and Changes of Chromosome Number in Plantlets Regenerated from Potato Protoplasts

Li Geng-guang, Zhang Lan-ying and Chen Ru-zhu   

Abstract: Morphological variation and change of chromosome number in the plantlets of potato (Solanum tuberosum L. cv. Xiao Yie Zi × Duo Zi Bai) regenerated from mesophyll protoplasts have been studied. The normal plantlets from protoplasts were similar to parent plants. Their chromosome numbers were 2n = 48±or 2n= 72 of euploid. The plantlets with distinctive phenotypic variation were likely to be aneuploid with increased chromosome numbers.

Key words: Potato, Protoplast, Phenotype, Chromosome

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