<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>The germination of seed batches of two rapeseed (<italic>Brassica napus</italic> L.) hybrids (‘Hybrirock’ and ‘Factor’) were investigated in response to priming in aqueous solutions of ascorbic acid (10 mM), L-cysteine (10 mM) and triacontanol (1 μM), respectively tap water (as control treatment). Investigations were focused on seed quality parameters, such as germination percentage, mean germination time, germination index, uniformity of germination, and seedling shoot and root growth. Germinated seeds were counted every 24 hours for a period of seven days, recording the final germination percentage (FGP), mean germination time (MGT), the coefficient of velocity of germination (CVG), germination rate index (GRI), germination index (GI), uncertanty (U), and synchrony (Z). In a separate trial fresh shoot- and root length, respectively the dry weight of the shoots and roots were also determined after a 14 day period. Germination tests were performed to examine the quality of seeds in response to different priming treatments. The results demonstrated that priming improved the germination parameters of seeds of both hybrids. Furthermore, the use of ascorbic acid, L-cysteine and triacontanol also enhanced seedling growth. The results may be used to rank seed lots by vigor, and decisions can be made regarding planting potential of each seed lot.</p>
</abstract>

The germination of seed batches of two rapeseed (Brassica napus L.) hybrids (‘Hybrirock’ and ‘Factor’) were investigated in response to priming in aqueous solutions of ascorbic acid (10 mM), L-cysteine (10 mM) and triacontanol (1 μM), respectively tap water (as control treatment). Investigations were focused on seed quality parameters, such as germination percentage, mean germination time, germination index, uniformity of germination, and seedling shoot and root growth. Germinated seeds were counted every 24 hours for a period of seven days, recording the final germination percentage (FGP), mean germination time (MGT), the coefficient of velocity of germination (CVG), germination rate index (GRI), germination index (GI), uncertanty (U), and synchrony (Z). In a separate trial fresh shoot- and root length, respectively the dry weight of the shoots and roots were also determined after a 14 day period. Germination tests were performed to examine the quality of seeds in response to different priming treatments. The results demonstrated that priming improved the germination parameters of seeds of both hybrids. Furthermore, the use of ascorbic acid, L-cysteine and triacontanol also enhanced seedling growth. The results may be used to rank seed lots by vigor, and decisions can be made regarding planting potential of each seed lot.

Effects of Priming with Ascorbic Acid, L-Cystein and Triacontanol on Germination of Rapeseed (<italic>Brassica napus</italic> L.)

Department of Horticulture, Faculty of Technical and Human Sciences

Hungarian Department of Biology and Ecology

University of Agriculture and Veterinary Medicine

Acta Biologica Marisiensis

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Effects of Priming with Ascorbic Acid, L-Cystein and Triacontanol on Germination of Rapeseed ( L.)

The germination of seed batches of two rapeseed (Brassica napus L.) hybrids (‘Hybrirock’ and ‘Factor’) were investigated in response to priming in aqueous...

Effects of Priming with Ascorbic Acid, L-Cystein and Triacontanol on Germination of Rapeseed (Brassica napus L.)

Publié en ligne: 05 janv. 2021

Pages: 48 - 55

Reçu: 15 nov. 2020

Accepté: 19 déc. 2020

DOI: https://doi.org/10.2478/abmj-2020-0010

Mots clés
seed priming, germination, rapeseed, ascorbic acid, triacontanol, L-cystein

© 2020 Katalin Molnár et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Effects of Priming with Ascorbic Acid, L-Cystein and Triacontanol on Germination of Rapeseed (Brassica napus L.)

Publié en ligne: 05 janv. 2021

Pages: 48 - 55

Reçu: 15 nov. 2020

Accepté: 19 déc. 2020

DOI: https://doi.org/10.2478/abmj-2020-0010

Mots clésseed priming, germination, rapeseed, ascorbic acid, triacontanol, L-cystein

© 2020 Katalin Molnár et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Mots clés
seed priming, germination, rapeseed, ascorbic acid, triacontanol, L-cystein