Prediction of seedling emergence in onion (Allium cepa) seed lots through saturated salt accelerated ageing test
The emergence of six seed lots of two onion (Allium cepa L.) cultivars Pusa Red and Pusa Madhvi was compared by standard germination, vigour index, germination at non-standard temperatures, accelerated ageing and saturated salt accelerated ageing tests. Germination tests were conducted at standard (...
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| Format: | Article |
| Language: | English |
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Indian Council of Agricultural Research
2015-07-01
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| Series: | The Indian Journal of Agricultural Sciences |
| Subjects: | |
| Online Access: | https://epubs.icar.org.in/index.php/IJAgS/article/view/50127 |
| _version_ | 1828717940660240384 |
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| author | PUNEET KUMAR SINGH V K PANDITA B S TOMAR |
| author_facet | PUNEET KUMAR SINGH V K PANDITA B S TOMAR |
| author_sort | PUNEET KUMAR SINGH |
| collection | DOAJ |
| description | The emergence of six seed lots of two onion (Allium cepa L.) cultivars Pusa Red and Pusa Madhvi was compared by standard germination, vigour index, germination at non-standard temperatures, accelerated ageing and saturated salt accelerated ageing tests. Germination tests were conducted at standard (20oC) and non-standard temperatures of 15oC, 25oC and 30oC. The accelerated ageing (AA) and saturated salt accelerated ageing (SSAA) tests were performed using four relative humidity levels, viz. standard AA (RH 100%), NaCl (RH 75%), Mg (NO3)2 (RH 53%) and CaCl2 (RH 29%). These vigour tests were able to assess vigour differences among different seed lots. The field emergence percentage ranged from 32% to 55.5% in onion seed lots. Field emergence had non-significant correlation with germination at non-standard temperatures of 15oC, 25oC and 30oC. However, accelerated ageing (RH 100%) and saturated salt accelerated ageing using NaCl (RH 75%) showed positive and significant correlation value of 0.943 and 0.957, respectively. The regression analysis results for onion seed lots revealed that standard germination, accelerated ageing (AA) and saturated salt accelerated ageing (SSAA) test using NaCl (RH 75%) explain 88%, 88% and 91% variation in field emergence, respectively. The results suggest that saturated salt accelerated ageing (SSAA) test using NaCl (RH 75%) is useful vigour tests to predict seedling emergence in onion seed lots. |
| first_indexed | 2024-03-12T14:35:41Z |
| format | Article |
| id | doaj.art-dd741febd7ab4468a10301c5710e42ea |
| institution | Directory Open Access Journal |
| issn | 0019-5022 2394-3319 |
| language | English |
| last_indexed | 2024-03-12T14:35:41Z |
| publishDate | 2015-07-01 |
| publisher | Indian Council of Agricultural Research |
| record_format | Article |
| series | The Indian Journal of Agricultural Sciences |
| spelling | doaj.art-dd741febd7ab4468a10301c5710e42ea2023-08-17T09:16:48ZengIndian Council of Agricultural ResearchThe Indian Journal of Agricultural Sciences0019-50222394-33192015-07-0185710.56093/ijas.v85i7.50127Prediction of seedling emergence in onion (Allium cepa) seed lots through saturated salt accelerated ageing testPUNEET KUMAR SINGH0V K PANDITA1B S TOMAR2Manager (Quality control), FCI, ChhattisgarhPrincipal Scientist, IARI, RS, KarnalPrincipal Scientist, SPU, IARI, New Delhi 110 012The emergence of six seed lots of two onion (Allium cepa L.) cultivars Pusa Red and Pusa Madhvi was compared by standard germination, vigour index, germination at non-standard temperatures, accelerated ageing and saturated salt accelerated ageing tests. Germination tests were conducted at standard (20oC) and non-standard temperatures of 15oC, 25oC and 30oC. The accelerated ageing (AA) and saturated salt accelerated ageing (SSAA) tests were performed using four relative humidity levels, viz. standard AA (RH 100%), NaCl (RH 75%), Mg (NO3)2 (RH 53%) and CaCl2 (RH 29%). These vigour tests were able to assess vigour differences among different seed lots. The field emergence percentage ranged from 32% to 55.5% in onion seed lots. Field emergence had non-significant correlation with germination at non-standard temperatures of 15oC, 25oC and 30oC. However, accelerated ageing (RH 100%) and saturated salt accelerated ageing using NaCl (RH 75%) showed positive and significant correlation value of 0.943 and 0.957, respectively. The regression analysis results for onion seed lots revealed that standard germination, accelerated ageing (AA) and saturated salt accelerated ageing (SSAA) test using NaCl (RH 75%) explain 88%, 88% and 91% variation in field emergence, respectively. The results suggest that saturated salt accelerated ageing (SSAA) test using NaCl (RH 75%) is useful vigour tests to predict seedling emergence in onion seed lots.https://epubs.icar.org.in/index.php/IJAgS/article/view/50127Allium cepaNon-standard germination temperaturesOnionSaturated salt accelerated ageingSeedling emergenceVigour tests |
| spellingShingle | PUNEET KUMAR SINGH V K PANDITA B S TOMAR Prediction of seedling emergence in onion (Allium cepa) seed lots through saturated salt accelerated ageing test The Indian Journal of Agricultural Sciences Allium cepa Non-standard germination temperatures Onion Saturated salt accelerated ageing Seedling emergence Vigour tests |
| title | Prediction of seedling emergence in onion (Allium cepa) seed lots through saturated salt accelerated ageing test |
| title_full | Prediction of seedling emergence in onion (Allium cepa) seed lots through saturated salt accelerated ageing test |
| title_fullStr | Prediction of seedling emergence in onion (Allium cepa) seed lots through saturated salt accelerated ageing test |
| title_full_unstemmed | Prediction of seedling emergence in onion (Allium cepa) seed lots through saturated salt accelerated ageing test |
| title_short | Prediction of seedling emergence in onion (Allium cepa) seed lots through saturated salt accelerated ageing test |
| title_sort | prediction of seedling emergence in onion allium cepa seed lots through saturated salt accelerated ageing test |
| topic | Allium cepa Non-standard germination temperatures Onion Saturated salt accelerated ageing Seedling emergence Vigour tests |
| url | https://epubs.icar.org.in/index.php/IJAgS/article/view/50127 |
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