- 著者
-
TSUNEWAKI K.
KASAHARA F.
FUJITA T.
- 出版者
- Genetics Society of Japan
- 雑誌
- 遺伝学雑誌 (ISSN:0021504X)
- 巻号頁・発行日
- vol.46, no.2, pp.103-107, 1971
- 被引用文献数
-
2
4
6
One hundred and eighty-nine Chinese cultivars of common wheat were crossed to three testers for necrosis and chlorosis genes, and their genotypes were determined. <br>Three genotypes, <i>Ne</i><sub>1</sub><i>ne</i><sub>2</sub>, <i>ne</i><sub>1</sub><i>Ne</i><sub>2</sub> and <i>ne</i><sub>1</sub><i>ne</i><sub>2</sub> for necrosis were found in 39.3, 7.1 and 53.6% of the cultivars, respectively. As to chlorosis genes, the great majority of cultivars (93.4%) were of the genotype, <i>ch</i><sub>1</sub><i>Ch</i><sub>2</sub>, the remainder (6.6%) were <i>ch</i><sub>1</sub><i>ch</i><sub>2</sub>. It was evident that common wheat retained its characteristic population structure regarding necrosis and chlorosis during its eastward dispersion from Central Asia to Japan through China. No particular geographical inclination in the frequencies of various necrosis and chlorosis genotypes, nor their special association with the two characters, growth habit and awnedness, was detected.