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Stanisavljevic,Rade; Ðjokic,Dragoslav; Milenkovic,Jasmina; Ðukanovic,Lana; Stevovic,Vladeta; Simic,Aleksandar; Dodig,Dejan. |
During post-harvest maturation, different species vary in the length of dormancy breaking or germination increases. Seed dormancy and slow seedling development often limit establishment of forage grass stands. Seed germination and seedling vigour of Italian ryegrass (Lolium italicum A. Braun, Synonym Lolium multiflorum L.), cocksfoot (Dactylis glomerata L.) and timothy (Phleum pretense L.) were observed after harvest and storage. After harvest in June, seeds were stored under standard storage conditions and sampled every 30 days after harvest (DAH), up to 270 DAH, and then every 60 days up to 990 DAH. At each date, seeds were tested for final germination percentage and for seedling vigour traits. Timothy seeds had a maximum germination (88%) and the best... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Forage grasses; Post-harvest maturation; Seed dormancy. |
Ano: 2011 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542011000600014 |
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Stanisavljević,Rade; Djokić,Dragoslav; Milenković,Jasmina; Terzić,Dragan; Djukanović,Lana; Stevović,Vladeta; Dodig,Dejan. |
The objectives of this work were to determine whether and at which seed physiological maturity stage the diquat desiccant affects the tall oat-grass (Arrhenatherum elatius) seed quality and yield, as well as the proper storage period between harvest and sowing. Diquat desiccation was evaluated in applications during milk or dough seed maturation stages. Seeds conventionally produced and stored under traditional storage conditions were used for the analyses. Seed samples were drawn every 30th day after harvest (DAH). After the 240th DAH, samples were drawn every 90th day up the to 690th DAH. The highest yield were obtained by desiccation applied at the beginning of the seed dough stage, with a satisfactory seed quality. Both final germination and seedling... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Arrhenatherum elatius; Germination; Seed dormancy. |
Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2010001100010 |
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Dodig,Dejan; Zorić,Miroslav; Mitić,Nevena; Nikolić,Radomirka; King,Stephen R.; Lalević,Blao; urlan-Momirović,Gordana. |
Availability of immature embryos as explants to establish wheat (Triticum aestivum L.) by tissue culture can be limited by climatic factors and the lack of high quality embryos frequently hampers experimentation. This study evaluates the effects of rainfall, various temperature-based variables and sunshine duration on tissue culture response (TCR) traits including callus formation (CF), regenerating calli (RC), and number of plants per embryo (PPE) for 96 wheat genotypes of worldwide origin. The objectives of this study were to evaluate the significance of a particular climatic factor on TCR traits and to determine the period of wheat growth during which these factors were the most effective. The genotypes were grown in an experimental field during three... |
Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Triticum aestivum L.; Biplot; Correlation analysis; Environment variable; Growth period. |
Ano: 2010 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-90162010000300007 |
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