Interaction of Temperature and Salinity on Sugar Beet Germination1
- L. E. Francois and
- J. R. Goodin2
Because high temperatures and soil salinity adversely affect sugarbeet (Beta vulgaris L.) germination in the southwestern United States, the interaction of temperature and salinity on germination was studied by a modification of the standard blotter technique. The interaction was highly significant. Salinity had little effect on germination at 10 C and 15 C but was increasingly inhibitory as temperature increased from 25 C to 40 C. Germination was maximum at 25 C, with low salinity, and almost completely inhibited at 45 C with all salinity levels. Of the four varieties studied, ‘US-H2,’ ‘US-H6,’ ‘US-H8,’ and ‘HH-5,’ germination of the US-H2 variety was most sensitive to salinity over the 30-C to 40-C range.Please view the pdf by using the Full Text (PDF) link under 'View' to the left.
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