Korean Journal of Breeding Science :eISSN 2287-5174 / pISSN 0250-3360

Table. 2.

Physiological response of ‘Drimi4ho’ to various abiotic stresses.

Cultivar Premature heading (%) Occurrence of wilting Leaf senescence at maturing Cold tolerancez Low tem. germinationy (%) Viviparous germinationx (%)
Seedling stage (1-9) Heading delay (day) Grain fertility (%) Phenotypic acceptability (1-9)
Drimi4ho 0.0±0.0ns w Strongns Latens 3±1.2ns 4±1.8** 39.5±1.4** 5±1.5ns 45.7±2.4** 23.8±3.1**
Junam 0.0±0.0 Strong Late 3±1.5 6±1.2 37.1±3.8 5±1.3 39.4±4.1 21.6±1.5

zCold tolerance was evaluated at cold water (17℃) irrigation nursery

yGernimation rate for 15 days at 13℃

xGermination rate for 7 days at 25℃

wData are presented as mean ±standard deviation. ns means no significant difference, and ** mean significant difference at p<0.01 by t-test

Korean J. Breed. Sci. 2023;55:36-47 https://doi.org/10.9787/KJBS.2023.55.1.36
© 2023 Korean J. Breed. Sci.