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Effects of Temperature and Salinity on Germination and Seedling Growth of Daucus carota cv. nantes and Capsicum annuum cv.sivri and Flooding on Capsicum annuum cv. sivri
(Öztürk, M.) |
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Bibliographical information (record 265553) |
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- The germination and seedling growth of Daucus carota cv. nantes and Capsicum annuum cv. sivri were investigated under stress conditions. D. carrota seeds germinated well in the dark at 20°C (92%) but in the light germination was only 54%. The germination in dark at 20%C was 92%, 84% and 80% at 0.1%, 0.5% and 1% salt (NaCl) solutions, as the concentration increased germination decreased and length of radicle and plumule also got reduced. Germination was 90% at 0.1% NaCl + 10 ppm GA3 and 43% at 2% NaCl +10 ppm GA3. The seeds of C. annuumcv. sivri germinated well at constant temperatures of 15°C (83%), 20°C (100%), and 30°C (88%). The germination was 100% in the seeds placed in distilled water and left at 20°C, but it was delayed or inhibited when salt solutions were applied to these seeds. An application of growth regulators showed that GA3 was stimulatory under saline conditions, However plant survival was low at 2% and 3% salt conditions as compared to 0.5% and 1% salt solutions. C. annuumcv. sivri did not show salt tolerance. When 4 weeks old seedlings of C. annuumwere subjected to fl ooding using tap water, the performance of seedlings was better on unfl ooded soils. The plants survived under short periods of fl ooding but growth was poor, however, under longer periods of fl ooding the mortality increased and plants became sensitive.
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EOL-1158
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Item available
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NEU Grand LibraryOnline (QK9 .E34 2009)
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Online electronic |
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