Lettuce (Lactuca sativa L.) seed quality evaluation using seed physical attributes, saturated salt accelerated aging and the seed vigour imaging system

High seed quality is essential for optimum stand establishment in lettuce. As a result, it is necessary to have seed vigour tests that permit rapid, objective and accurate evaluation of seed quality. This study evaluated physical and physiological seed quality components of four seed lots of six let...

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Autores principales:	Peñaloza,Patricia, Ramirez-Rosales,Gerardo, McDonald,Miller B, Bennett,Mark A.
Lenguaje:	English
Publicado:	Pontificia Universidad Católica de Valparaíso 2005
Materias:	Vegetables deterioration seedling performance
Acceso en línea:	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582005000300010
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spelling	oai:scielo:S0717-345820050003000102006-01-26Lettuce (Lactuca sativa L.) seed quality evaluation using seed physical attributes, saturated salt accelerated aging and the seed vigour imaging systemPeñaloza,PatriciaRamirez-Rosales,GerardoMcDonald,Miller BBennett,Mark A. Vegetables deterioration seedling performance High seed quality is essential for optimum stand establishment in lettuce. As a result, it is necessary to have seed vigour tests that permit rapid, objective and accurate evaluation of seed quality. This study evaluated physical and physiological seed quality components of four seed lots of six lettuce varieties obtained from a commercial company. Seeds were evaluated for seedling emergence under greenhouse conditions, standard germination, seed physical aspects, the Saturated Salt Accelerated Aging (SSAA) test and the Seed Vigour Imaging System (SVIS). Results indicated that large-seeded lettuce varieties had higher percentage germination, higher SSAA values, higher SVIS index and more rapid and uniform greenhouse emergence. Black-seeded lettuce varieties possessed higher seed quality and less fungal invasion when evaluated by the SSAA test. The SVIS index significantly correlated with SSAA values and seedling emergence under greenhouse conditions suggesting it can be used as a measure of seed vigour. It is concluded that the SSAA and SVIS tests are practical and accurate determinants of lettuce seed quality and distinguish between high and poor quality lettuce seed lotsinfo:eu-repo/semantics/openAccessPontificia Universidad Católica de ValparaísoElectronic Journal of Biotechnology v.8 n.3 20052005-12-01text/htmlhttp://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582005000300010en
institution	Scielo Chile
collection	Scielo Chile
language	English
topic	Vegetables deterioration seedling performance
spellingShingle	Vegetables deterioration seedling performance Peñaloza,Patricia Ramirez-Rosales,Gerardo McDonald,Miller B Bennett,Mark A. Lettuce (Lactuca sativa L.) seed quality evaluation using seed physical attributes, saturated salt accelerated aging and the seed vigour imaging system
description	High seed quality is essential for optimum stand establishment in lettuce. As a result, it is necessary to have seed vigour tests that permit rapid, objective and accurate evaluation of seed quality. This study evaluated physical and physiological seed quality components of four seed lots of six lettuce varieties obtained from a commercial company. Seeds were evaluated for seedling emergence under greenhouse conditions, standard germination, seed physical aspects, the Saturated Salt Accelerated Aging (SSAA) test and the Seed Vigour Imaging System (SVIS). Results indicated that large-seeded lettuce varieties had higher percentage germination, higher SSAA values, higher SVIS index and more rapid and uniform greenhouse emergence. Black-seeded lettuce varieties possessed higher seed quality and less fungal invasion when evaluated by the SSAA test. The SVIS index significantly correlated with SSAA values and seedling emergence under greenhouse conditions suggesting it can be used as a measure of seed vigour. It is concluded that the SSAA and SVIS tests are practical and accurate determinants of lettuce seed quality and distinguish between high and poor quality lettuce seed lots
author	Peñaloza,Patricia Ramirez-Rosales,Gerardo McDonald,Miller B Bennett,Mark A.
author_facet	Peñaloza,Patricia Ramirez-Rosales,Gerardo McDonald,Miller B Bennett,Mark A.
author_sort	Peñaloza,Patricia
title	Lettuce (Lactuca sativa L.) seed quality evaluation using seed physical attributes, saturated salt accelerated aging and the seed vigour imaging system
title_short	Lettuce (Lactuca sativa L.) seed quality evaluation using seed physical attributes, saturated salt accelerated aging and the seed vigour imaging system
title_full	Lettuce (Lactuca sativa L.) seed quality evaluation using seed physical attributes, saturated salt accelerated aging and the seed vigour imaging system
title_fullStr	Lettuce (Lactuca sativa L.) seed quality evaluation using seed physical attributes, saturated salt accelerated aging and the seed vigour imaging system
title_full_unstemmed	Lettuce (Lactuca sativa L.) seed quality evaluation using seed physical attributes, saturated salt accelerated aging and the seed vigour imaging system
title_sort	lettuce (lactuca sativa l.) seed quality evaluation using seed physical attributes, saturated salt accelerated aging and the seed vigour imaging system
publisher	Pontificia Universidad Católica de Valparaíso
publishDate	2005
url	http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582005000300010
work_keys_str_mv	AT penalozapatricia lettucelactucasativalseedqualityevaluationusingseedphysicalattributessaturatedsaltacceleratedagingandtheseedvigourimagingsystem AT ramirezrosalesgerardo lettucelactucasativalseedqualityevaluationusingseedphysicalattributessaturatedsaltacceleratedagingandtheseedvigourimagingsystem AT mcdonaldmillerb lettucelactucasativalseedqualityevaluationusingseedphysicalattributessaturatedsaltacceleratedagingandtheseedvigourimagingsystem AT bennettmarka lettucelactucasativalseedqualityevaluationusingseedphysicalattributessaturatedsaltacceleratedagingandtheseedvigourimagingsystem
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Lettuce (Lactuca sativa L.) seed quality evaluation using seed physical attributes, saturated salt accelerated aging and the seed vigour imaging system

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