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Agronomic characteristics of ninety stem rust resistance accessions from worldwide in 2013
- 언어ENG
- URLhttps://db.koreascholar.com/Article/Detail/297693
Stem rust of wheat caused by Puccinia graminis f. sp. Tritici is historically one of the most important diseases of crops worldwide. The objective of this study was to screen the growth habits and yield of wheat accessions in Korea winter condition. We collected ninety stem rust resistant germplasms from USDA-Grain and planted for the characteristics of growth and yield in 2013. We measured the growth characteristics such as the plant type, leaf color, heading date, stem length, spike length, awn length, number of spikelet, number of tiller, and 1,000 kernel weight (g). Early maturity is most important wheat breeding target in double cropping system such as Korea. Heading dates of ninety cultivars ranged from May 17 to June 7. The Keumkang control cultivar headed on May 23. Heading dates of seventeen accessions had as early as Keumkang control (May 23). The numbers of semi-erect and intermediate type for growth habit were 45 and 33 respectively. The 1000 kernel weights were also measured. Mean 1000 kernel weights ranged from 16.7g (Webster) to 41.8g (123 A1C2). The average of stem length was 100.2cm and Keumkang was 58.4cm. These results showed that A4849-60P-7P-1P (Chile), MG 31492 (Ethiopia), 1338.F.6.C.3.B (Kenya), 1203 A1C2 (Kenya), and II-90-20/3-1R-1M- 3R (Mexico) were best lines for agronomic characteristic such as early heading date and grain yield
