Comparative studies on chilling sensivity in some legume seeds
1990
Gorecki, R.J. (University of Agriculture and Technology, Olsztyn (Poland). Dept. of Plant Physiology and Biochemistry) | Fordonski, G. | Bieniaszewski, T. | Jacunski, K. (University of Agriculture and Technology, Olsztyn (Poland). Dept. of Crop Production)
Pea, field bean, yellow lupine and angustifoliate lupine seeds with 7-8, 12-13, 15-16 and 20-21 percent water content (fresh weight basis) were used in the studies. Their viability and vigour were estimated under different temperature conditions: 2-3, 6-7, 15-16 and 20-21 degrees C. Seedling emergence were also checked in the soil (pot experiment in the growth chamber) either at constant low (3 degrees C) and moderat (10 degrees C), or under variable temperature conditions (simultaning those in the field in the spring of 1980). Germination depended more on temperature than on initial seed water content. Independently of germination medium (water soil) low temperatures strongly reduced percentage of germinating seeds and seedling survival, mostly in pea, field bean and angustifoliate lupine. Seeds with low (7-8 percent) water content were more sensitive to cold than those with the high (15-16 or 20-21 percent) water content. In contrast to pea, field bean and angustifoliate lupine, seeds of yellow lupine were not sensitive to imbibitional chilling. There was little or no effect of initial seed water content on seedling growth and their survival
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