TSitologiya i Genetika 1990, vol. 24, no. 4, 3-5 Cytology and Genetics , vol. , no. , , doi: https://www.doi.org/ The Number of Chloroplasts in Closing Cells of Stomas as an Index of the Ploidy Level in Apple Seedlings Solovieva L. V. Keywords: TSitologiya i Genetika 1990, vol. 24, no. 4, 3-5 Cytology and Genetics , vol. , no. , , doi: Full text and supplemented materials References