Cytogenetics of F, Hybrids from Oryzo Sharma ef Shastry — O. sativa L. Institure of Plant Breeding, University of the Philippines at Los Baflos: International RiceResearch Institute, Los Banos, Laguna, Philippines; and Department of Life Sciences, University of the Philippines at Los Banos, respectively
Abstract
Oryza nivara Sharma et Shastry, an annual wild species, the prototype of which is most probably the ancestor of the cultivated Asian rice (Chang 1976), is of equal interest to rice geneticists and breeders alike. A strain of O. nivara (IRRI Accession No. 101508) collected from northeast Uttar Pradesh state of India is the only strain in the rice taxa known to date that has strong resistance to the grassy stunt virus (Ling et al. 1970). Cytogenetic studies on species relationships between O. sativa and its wild relatives, which have a variety of dubious designations such as “O. perennis” and “O. fatua”, have been made by Japanese, Chinese, and American researchers (cf. Chang 1964, Nayar 1973). The relationship between O. sativa and O. nivara has not been investigated, however, as O. nivara was formally described and named as recently as 1965 (Sharma and Shastry 1965). © 1979, Japan Mendel Society, International Society of Cytology. All rights reserved.
Source or Periodical Title
Cytologia
ISSN
114545
Page
527-540
Document Type
Article
Recommended Citation
Dolores, Regina C.; Chang, T. T.; and Ramirez, D. A., "Cytogenetics of F, Hybrids from Oryzo Sharma ef Shastry — O. sativa L. Institure of Plant Breeding, University of the Philippines at Los Baflos: International RiceResearch Institute, Los Banos, Laguna, Philippines; and Department of Life Sciences, University of the Philippines at Los Banos, respectively" (2021). Journal Article. 3799.
https://www.ukdr.uplb.edu.ph/journal-articles/3799