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Ogura H, Kyozuka J, Hayashi Y, et al. Field performance and cytology of protoplast-derived rice (Oryza sativa): high yield and low degree of variation of four japonica cultivars. Theor Appl Genet. 1987;74(5):670-6doi: 10.1007/BF00288869.
Ogura, H., Kyozuka, J., Hayashi, Y., Koba, T., & Shimamoto, K. (1987). Field performance and cytology of protoplast-derived rice (Oryza sativa): high yield and low degree of variation of four japonica cultivars. TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik, 74(5), 670-6. https://doi.org/10.1007/BF00288869
Ogura, H, et al. "Field performance and cytology of protoplast-derived rice (Oryza sativa): high yield and low degree of variation of four japonica cultivars." TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik vol. 74,5 (1987): 670-6. doi: https://doi.org/10.1007/BF00288869
Ogura H, Kyozuka J, Hayashi Y, Koba T, Shimamoto K. Field performance and cytology of protoplast-derived rice (Oryza sativa): high yield and low degree of variation of four japonica cultivars. Theor Appl Genet. 1987 Sep;74(5):670-6. doi: 10.1007/BF00288869. PMID: 24240226.
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Theor Appl Genet. 1987 Sep;74(5):670-6. doi: 10.1007/BF00288869.

Field performance and cytology of protoplast-derived rice (Oryza sativa): high yield and low degree of variation of four japonica cultivars.

TAG. Theoretical and applied genetics. Theoretische und angewandte Genetik

H Ogura, J Kyozuka, Y Hayashi, T Koba, K Shimamoto

Affiliations

  1. Department of Agricultural Sciences, Ishikawa College of Agriculture, Nonoichi, 921, Ishikawa, Japan.

PMID: 24240226 DOI: 10.1007/BF00288869

Abstract

Protoplast-derived rice plants of four Japanese cultivars, Nipponbare, Fujisaka 5, Norin 14 and Iwaimochi were individually cultivated in a submerged paddy field. They exhibited more stems, which resulted in more panicles than respective control plants. Other characteristics of protoplast-derived plants were (compared with controls): a slightly shorter or similar culm length, fewer spikelets per panicle, slightly lower seed fertility and similar or lighter 1,000 kernel weight. Grain yield of protoplast-derived plants was more than that of respective control plants in four cultivars. The cause of the higher yield of protoplast-derived plants seems to be mainly due to increased panicle number. Among 126 protoplast-derived plants, 1 triploid, 10 tetraploids and 1 aneuploid were found. Furthermore, 11 variants with low seed fertility showing no gross chromosomal anomalies and one plant with abnormal panicles were found. In total, about 80% of protoplastderived plants showed normal characters. The present results are encouraging for the possibility of rice breeding using protoplasts.

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