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Priming with salt solutions improves germination of pansy seed at high temperatures

Yoon, B.Y.H ; Lang, H.J ; Cobb, B.G

HortScience, 1997-04, Vol.32 (2), p.248-250 [Periódico revisado por pares]

Alexandria, VA: American Society for Horticultural Science

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Título:
Priming with salt solutions improves germination of pansy seed at high temperatures
Autor: Yoon, B.Y.H ; Lang, H.J ; Cobb, B.G
Assuntos: Agronomy. Soil science and plant productions ; ALCOHOLES ; ALCOHOLS ; ALCOOL ; Biological and medical sciences ; CALCIUM CHLORIDE ; CHLORURE DE CALCIUM ; CHLORURE DE MAGNESIUM ; CHLORURE DE POTASSIUM ; CHLORURE DE SODIUM ; CLORURO CALCICO ; CLORURO MAGNESICO ; CLORURO POTASICO ; CLORURO SODICO ; EMERGENCE ; EMERGENCIA ; ESTRES TERMICO ; FOSFATOS ; Fundamental and applied biological sciences. Psychology ; Genetics and breeding of economic plants ; GERMINACION ; GERMINATION ; GRAINE ; HEAT STRESS ; LEVEE ; MAGNESIUM CHLORIDE ; NITRATE DE POTASSIUM ; NITRATO DE POTASIO ; OSMOCONDITIONING ; OSMOSE ; OSMOSIS ; PHOSPHATE ; PHOSPHATES ; POLIETILENO ; POLYETHYLENE ; POLYETHYLENE GLYCOL ; POTASSIUM CHLORIDE ; POTASSIUM HYDROGEN PHOSPHATE ; POTASSIUM NITRATE ; RESPIRATION RATE ; SEED ; SEED PRIMING ; SEED TREATMENT ; SEEDS ; Seeds and other planting stocks ; SEMENCE ; SEMILLA ; SEMILLAS ; SODIO ; SODIUM ; SODIUM CHLORIDE ; SODIUM HYDROGEN PHOSPHATE ; SOLUCION ; SOLUTION ; SOLUTIONS ; STRESS THERMIQUE ; SULFATE ; SULFATOS ; SULPHATES ; TASA DE RESPIRACION ; TAUX DE RESPIRATION ; TEMPERATURA ; TEMPERATURE ; THERMAL STRESS ; THERMOINHIBITION ; TRAITEMENT DES SEMENCES ; TRATAMIENTO DE SEMILLAS ; VIOLA ; VIOLA WITTROCKIANA
É parte de: HortScience, 1997-04, Vol.32 (2), p.248-250
Notas: 1997060000
F60
Descrição: Priming regimes were evaluated on pansy seeds (Viola xwittrockiana Gam. 'Crystal Bowl Sky Blue') in high-temperature germination tests. Priming regimes evaluated included CaCl2, MgCl2, K2HPO4, Na2HPO4, NaCl, KCl, KNO3, Na2SO4, and polyethylene glycol 15,000 (PEG15,000) at -1.0 and -2.0 MPa, for 3, 6, or 9 d at 23 degrees C. Primed and nonprimed control seeds were then germinated at 25, 30, or 35 degrees C. Total percent germination of nonprimed control seeds was significantly less at 35 degrees C than at 25 degrees C. Seeds primed with CaCl2 at -1.0 MPa for 3 d at 23 degrees C had significantly higher germination at 35 degrees C than all other priming regimes testes, including aerated PEG8,000 at -1.0 MPa for 7 d at 15 degrees C. Seed respiration, measured by O2 uptake, during germination of seeds primed with CaCl2 was higher than for control seeds or those primed with PEG8,000. Priming pansy seed with CaCl2 at -1.0 MPa for 3 d at 23 degrees C was effective in increasing seedling emergence and for reducing the time of emergence in summer greenhouse studies
Editor: Alexandria, VA: American Society for Horticultural Science
Idioma: Inglês

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Priming with salt solutions improves germination of pansy seed at high temperatures

Yoon, B.Y.H ; Lang, H.J ; Cobb, B.G

Alexandria, VA: American Society for Horticultural Science

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