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Journal articles on the topic 'Vigor tests'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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1

Meyr, Aleta L. "1044 A PRACTICAL VIGOR TEST." HortScience 29, no. 5 (1994): 578a—578. http://dx.doi.org/10.21273/hortsci.29.5.578a.

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Ideally, a vigor test should provide a reasonably accurate forecast of greenhouse or field quality under a wide range of conditions. A vigor test could provide useful data any time during the different stages of development: Before harvest, after harvest, through handling, natural maturation, and decline. Vigor information on a lot of seed is desirable before distribution and conditioning, after conditioning and before planting. Can one vigor test meet all these needs? The most practical seed vigor test should include several different tests which could be combined and indexed. At the Ransom S

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2

Pereira, Lucas Caiubi, Larissa Vinis Correia, Pedro Henrique Felber, et al. "Correlation between physiological tests and field emergence in treated corn seeds." Plant, Soil and Environment 65, No. 12 (2019): 569–73. http://dx.doi.org/10.17221/565/2019-pse.

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The objective of this work was to evaluate the degree of linear association between field emergence with the results of germination and vigor of corn seeds belonging to different initial vigor and submitted to agrochemical treatment. Following seed treatments with (i) carbendazim/thiram + imidaclopride/tiodicarbe; (ii) piraclostrobine, methyl tiophanate and fipronil; (iii) methyl tiophanate/fluazinam + bifentrine/imidaclopride; and (iv) metalaxyl-m/fludioxonil + thiamethoxam, seeds belonging to four different corn cultivars were assessed for their physiological potential. The strength of the P

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3

Kikuti, Ana Lúcia Pereira, and Júlio Marcos-Filho. "Seedling imaging analysis and traditional tests to assess okra seed vigor." Journal of Seed Science 35, no. 4 (2013): 443–48. http://dx.doi.org/10.1590/s2317-15372013000400005.

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Seed vigor testing is an important component of quality control programs adopted by seed industry. The software Seed Vigor Imaging System (SVIS) has been successfully used for seed vigor assessment in different species. The objective of this research was to verify the SVIS efficiency to assess okra seed vigor in comparison to other vigor tests used for this species. Five seed lots of 'Clemson Americano' and four of 'Santa Cruz' were submitted to germination (speed and percentage), cold germination (speed and percentage), traditional and saturated salt accelerated aging (41 ºC/72 and 96 h) and

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4

Korkmaz, Ahmet, Nusret Ozbay ., and Benian Eser . "Assessment of Vigor Characteristics of Processing Tomato Cultivars by Using Various Vigor Tests." Asian Journal of Plant Sciences 3, no. 2 (2004): 181–86. http://dx.doi.org/10.3923/ajps.2004.181.186.

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5

Souza, Gabriela Fernanda, Juliana Garlet, and Pricila Delazeri. "Teste de condutividade elétrica em sementes de Jacaranda micranta." Pesquisa Florestal Brasileira 36, no. 85 (2016): 79. http://dx.doi.org/10.4336/2016.pfb.36.85.894.

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O objetivo deste trabalho foi avaliar a qualidade fisiológica de lotes de sementes de Jacaranda micranta Cham., pelo teste de condutividade elétrica. Foram utilizados três lotes de sementes, armazenados por diferentes períodos. O teste de condutividade elétrica foi realizado em diferentes quantidades de sementes e água deionizada para embebição, sendo depois associados a dados de germinação e vigor. Foi observado que quanto maior o tempo de armazenamento das sementes, maior seu valor de condutividade elétrica e, consequentemente, menor seu vigor de germinação. Verificou-se também que as difere

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Gonçalves, Nayara Roberto, Silvio Moure Cicero, and Haynna Fernandes Abud. "Seedling image analysis and traditional tests to evaluate onion seed vigor." Journal of Seed Science 39, no. 3 (2017): 216–23. http://dx.doi.org/10.1590/2317-1545v39n3160444.

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Abstract: The aim of this study was to verify the possibility of using computerized seedling image analysis to detect differences in vigor among onion seed lots and to compare this analysis with traditional vigor tests. We used five seed lots of two onion cultivars, Bella Catarina and Bella Vista. The Seed Vigor Imaging System (SVIS®) software was used to process the seedling images and assess seedling length and vigor through seedling uniformity and growth indexes. These determinations were compared to traditional tests used to evaluate onion seed vigor: germination percentage and first germi

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Soares, Tássia Fernanda Santos Neri, Bruno Antônio Lemos de Freitas, José Geraldo de Araújo Ferreira Filho, et al. "Assessment of Seed Vigor Tests for Crambe abyssinica." Journal of Agricultural Science 10, no. 12 (2018): 527. http://dx.doi.org/10.5539/jas.v10n12p527.

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Vigor tests are important mainly to identify differences associated to lots performance in field conditions. The objective of this study was to define the most appropriate tests to evaluate the crambe (Crambe abyssinica) seeds vigor. Seven seed lots of crambe were subjected to the standard germination (on the first and last count), germination speed index (GSI), primary root protrusion speed index (PRPSI), seedling length dry and weight seedling, water stress test using PEG 6000 at -0.2 MPa, electrical conductivity and cold test without soil. Crambe lots studied had germination percentages var

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Ermis, Sitki, Eren Ozden, and Ibrahim Demir. "Use of Vigor Tests in Cucurbit Rootstock Cultivars." American Journal of Experimental Agriculture 9, no. 2 (2015): 1–6. http://dx.doi.org/10.9734/ajea/2015/19553.

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Prado, Jéssica Pavão do, Francisco Carlos Krzyzanowski, Cibele Chalita Martins, and Roberval Daiton Vieira. "Physiological potential of soybean seeds and its relationshipto electrical conductivity." Journal of Seed Science 41, no. 4 (2019): 407–15. http://dx.doi.org/10.1590/2317-1545v41n4214988.

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Abstract: Electrical conductivity (EC) stands out among vigor tests because of its capability of detecting damage in seeds in the initial stage, since EC is related to disorganization of the cell membrane. The aim of this paper was to study use of the EC test as an alternative for vigor evaluation in soybean seeds, verifying its relationship to different vigor tests and thus suggesting values and the range of values of electrical conductivity that indicate the performance potential of a seed lot in the field. Eleven seed lots from each of four soybean cultivars were used for this study. The mo

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10

Marcos-Filho, J. "New approaches to seed vigor testing." Scientia Agricola 55, spe (1998): 27–33. http://dx.doi.org/10.1590/s0103-90161998000500005.

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Among the principles used for the evaluation of seed vigor, two approaches are predominant: seed resistance to stresses and the direct or indirect identification of the "current" state of the seeds, e.g., enzymatic activity, integrity of the cellular membranes, growth parameters. In this presentation recent innovations are discussed in procedures for seed vigor evaluation emphasizing the methodologies of accelerated aging with salt saturated solutions, controlled deterioration and potassium leachate tests. These tests, performed at seed the laboratory of ESALQ/USP, in function of their simplic

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Silva, Jackson Araújo da, André Dantas de Medeiros, Daniel Teixeira Pinheiro, et al. "Semi-automated Phenotyping of Soybean Seedlings and Its Relation With Physiological Seed Quality." Journal of Agricultural Science 11, no. 16 (2019): 1. http://dx.doi.org/10.5539/jas.v11n16p1.

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The development of procedures enabling agility and effectiveness to the analyses of seed vigor are great advances for the seed research field. The aim of this paper was to evaluate the efficiency of the Seedling Analysis System (SAPL&reg;) to seedling phenotyping and determining the physiological potential of soybean seeds, in comparison with the information provided by traditional vigor tests recommended for this species. The characterizing of physiological potential of the seed lots was carried out based on germination tests, first germination count, seedling emergence, cold test, and el

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DIAS, MARCOS ALTOMANI NEVES, VITOR HENRIQUE VAZ MONDO, SILVIO MOURE CICERO, NAYARA ROBERTO GONÇALVES, and CIBELE APARECIDA TEIXEIRA DA SILVA. "VIGOR TESTS ASSOCIATION AS AN ALTERNATIVE FOR PRECISE AND EFFICIENT ASSESSMENT OF MAIZE SEED QUALITY." Revista Caatinga 28, no. 3 (2015): 93–99. http://dx.doi.org/10.1590/1983-21252015v28n311rc.

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ABSTRACT: This study aimed to associate two concepts of seed vigor testing, the aging and seedling growth using image analysis, providing a feasible and time-saving way to evaluate maize seed vigor in large scale. For this purpose, five seed lots with different vigor levels from two single hybrids were used. The seeds were characterized by moisture content, germination, seedling emergence, seedling emergence speed index, accelerated aging and cold tests. The treatments were composed by varying the accelerated aging periods (0, 24, 48, 72 and 96h) and seedling growth periods (48 and 72h), befor

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Hassan, Fatima A., and Mai M. A. Hassan. "The Use of Seed Vigour Tests for Predicting Field Emergence." International Journal of Applied Science 1, no. 2 (2018): p93. http://dx.doi.org/10.30560/ijas.v1n2p93.

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The general aim of this study was to address the problem of seed vigour testing in Acacia senegal and Acacia mellifera) by studying different seed vigour tests and comparing them to identify the most suitable test for each species. The importance of this study lies in the fact that vigour testing measures the percentage of viable seeds in a sample as well as their ability to produce normal seedlings under less than optimum or adverse growing conditions, similar to those occurring in the field. To achieve this objective, a set of laboratory and field tests were conducted for the two Acacia spec

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Souza, Rita Herminia Vaz de, Francisco Amaral Villela, and Tiago Zanatta Aumonde. "Methodologies based on seedling performance for vigor assessment of pumpkin seeds." Journal of Seed Science 35, no. 3 (2013): 374–80. http://dx.doi.org/10.1590/s2317-15372013000300015.

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Seed vigor tests provide additional information provided by the germination test, producing more consistent data in different field conditions. This study aimed to evaluate procedures and methodologies for vigor testing to indicate which tests are sensitive to identify vigor levels between lots of pumpkin and squash seeds. Two species pumpkin (Cucurbita maxima) and squash (Cucurbita pepo) were used, and each one was represented by four lots, whose initial quality was assessed using the following tests: germination and first count, earliness of rdicle emission, speed, coefficient of velocity an

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Trujillo, Heiber Andres, Francisco Guilhien Gomes-Junior, and Silvio Moure Cicero. "Digital images of seedling for evaluating coffee seed vigor." Journal of Seed Science 41, no. 1 (2019): 60–68. http://dx.doi.org/10.1590/2317-1545v41n1204651.

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Abstract: The digital image analysis of seedlings has become largely employed in seed quality-control programs due to its feasibility, objectivity and fast results. Despite these advantages, no studies have yet demonstrated the efficiency of this technique for analyzing coffee seed vigor. The present study aimed at evaluating the efficiency of the Seed Vigor Imaging System (SVIS®) in determining the vigor of coffee seeds (Coffea arabica L.) from digital images of seedlings. Also, the results of these analyses were contrasted with conventional vigor tests. Six seed lots from each cultivar, Bour

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Medeiros, André Dantas de, and Márcio Dias Pereira. "SAPL®: a free software for determining the physiological potential in soybean seeds1." Pesquisa Agropecuária Tropical 48, no. 3 (2018): 222–28. http://dx.doi.org/10.1590/1983-40632018v4852340.

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ABSTRACT Obtaining image-based information is a powerful approach to capture and quantify seed vigor data. However, commercial systems that facilitate the processing and acquisition of images are often cost prohibitive. This study aimed to evaluate the efficiency of the Seedling Analysis System (Sistema de Análise de Plântulas - SAPL®), in order to analyze the physiological potential of soybean seeds, in comparison with the information provided by vigor tests which are traditionally recommended for this species. Nine lots of soybean seeds were submitted to germination, germination speed, seedl

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Contreras, S., and M. Barros. "Vigor tests on lettuce seeds and their correlation with emergence." Ciencia e investigación agraria 32, no. 1 (2005): 3–10. http://dx.doi.org/10.7764/rcia.v32i1.301.

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18

Melo, Paulo Alexandre Fernandes Rodrigues de, Tatiane Sanches Jeromini, Carlos Eduardo Affonso, Edna Ursulino Alves, and Cibele Chalita Martins. "Vigor tests in assessing the quality of signal grass seeds." Semina: Ciências Agrárias 38, no. 6 (2017): 3491. http://dx.doi.org/10.5433/1679-0359.2017v38n6p3491.

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The correct assessment of the physiological quality of seed lots is necessary for the quality control program of companies. For such purpose, tests that detect differences in the physiological potential of seed lots and that meet the minimum market requirements. Thus, the study was conducted towards assessing the efficiency of laboratory tests in differentiating the quality of Brachiaria brizantha cv. Xaraés seed lots. Seeds from nine lots were assessed regarding water content, germination, first germination count, electrical conductivity and seedling emergence in sand in the laboratory (norma

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19

Cândido Barreto, Sidney Saymon, Edna Ursulino Alves, Toshik Iarley da Silva, et al. "Methodology for seed germination and vigor tests of Bowdichia virgilioides." Idesia (Arica) 37, no. 2 (2019): 95–102. http://dx.doi.org/10.4067/s0718-34292019000200095.

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20

Silva, P. P., R. A. Freitas, and W. M. Nascimento. "Evaluation of processing tomato seed quality using different vigor tests." Acta Horticulturae, no. 1249 (September 2019): 175–80. http://dx.doi.org/10.17660/actahortic.2019.1249.32.

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21

Torres, Salvador B., Maryjane DA Gomes, Francisca Gleiciane da Silva, Clarisse P. Benedito, and Francisco ECB Pereira. "Controlled deterioration to evaluate okra seed vigor." Horticultura Brasileira 31, no. 2 (2013): 317–21. http://dx.doi.org/10.1590/s0102-05362013000200023.

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Germination and vigor tests are essential components of seed quality control programs adopted by seed industries. We studied different procedures to perform the controlled deterioration test to identify differences in vigor among okra seed lots. Four seed lots of Colhe Bem cultivar and five seed lots of Santa Cruz 47 cultivar were submitted to the following tests: germination, seedling emergence, controlled deterioration (seeds with moisture contents of 18, 21 and 24% at 45°C for 24 and 48 hours) and moisture content. The controlled deterioration test is efficient to evaluate the physiological

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PEREIRA, LUCAS CAIUBI, LARISSA VINIS CORREIA, DAVID FERNANDO POSSO SUAREZ, CRISTIANE DE CARVALHO, and ALESSANDRO LUCCA BRACCINI. "COMPARISON BETWEEN BIOMETRIC AND ELECTROLYTE LEAKAGE TESTS AS INDICATORS OF MAIZE SEED VIGOR." Revista Brasileira de Milho e Sorgo 19 (November 16, 2020): 10. http://dx.doi.org/10.18512/rbms2020v19e1127.

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The objective of this work was to compare the accuracy of seedling tests based on electrolyte release to distinguish different maize seed vigor levels with the accuracy provided by biometric tests for seedling length and biomass. For this purpose, seeds with different vigor levels of the Garra Viptera hybrid had their physiological potential evaluated through tests of germination, accelerated aging, seed electrical conductivity, field emergence, seedling length, seedling dry biomass, seedling electrical conductivity, potassium leakage and membrane injury index. Completely randomized design was

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Abud, Haynna Fernandes, Silvio Moure Cicero, and Francisco Guilhien Gomes Junior. "Computerized image analysis of seedlings to evaluate broccoli seed vigor." Journal of Seed Science 39, no. 3 (2017): 303–10. http://dx.doi.org/10.1590/2317-1545v39n3174582.

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Abstract: The computerized image analysis of seedlings constitutes an efficient technique to evaluate the quality of seed lots, since it is quick in responding, has a simple execution and reproduction. The goal of this research was to verify the efficiency of the computer image analysis of seedlings to detect vigor differences among broccoli seed lots and compare them with other traditionally used vigor tests. Computerized image analysis were performed by the Seed Vigor Imaging System (SVIS®), using 3-day-old seedlings and the results were compared to germination at first count, seedling emerg

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Parera, Carlos A., Daniel J. Cantliffe, Peter J. Stoffella, and Brian T. Scully. "Field Emergence of shrunken-2 Corn Predicted by Single- and Multiple-vigor Laboratory Tests." Journal of the American Society for Horticultural Science 120, no. 1 (1995): 128–32. http://dx.doi.org/10.21273/jashs.120.1.128.

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Poor emergence and seedling vigor are common characteristics of many sweet corn (Zea mays L.) cultivars with the shrunken-2 (sh2) mutant endosperm. A rapid and reliable predictor of sweet corn seed field emergence would improve the potential for high quality crops. Field emergence of seven sh2 sweet corn cultivars grown at seven environments in Florida were correlated with laboratory vigor tests. Factor analysis was used to separate noncollinear vigor tests for subsequent multiple regression models. The best single predictor test (R2 = 0.93***) was an index based on leachate conductivity and g

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Rodo, Angélica B., and Julio Marcos-Filho. "Onion seed vigor in relation to plant growth and yield." Horticultura Brasileira 21, no. 2 (2003): 220–26. http://dx.doi.org/10.1590/s0102-05362003000200020.

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Research has emphasized the relationship of laboratory germination and vigor to seedling emergence and stand establishment, but information relating seed vigor to plant performance is less available. The reliable procedures to evaluate onion (Allium cepa L.) seed vigor and decided the differences between seed physiological potential influence plant performance in field conditions were identified in two experimental years. Six seed lots of Petroline cultivar were evaluated for germination and vigor, in laboratory, and field seedling emergence. Field experiments were performed by direct sowing a

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Medeiros, André Dantas de, Laércio Junio da Silva, Nayara Pereira Capobiango, Camila Andrade Fialho, and Denise Cunha Fernandes dos Santos Dias. "Assessing the physiological quality of common bean seeds using the Vigor-S® system and its relation to the accelerated aging test." Journal of Seed Science 41, no. 2 (2019): 187–95. http://dx.doi.org/10.1590/2317-1545v41n2211401.

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Abstract: Automated analysis of seed vigor stands out by allowing greater accuracy, standardization, objectivity, and speed in evaluation of the physiological potential of seed lots. The objective of this study was to evaluate the efficiency of the Vigor-S® system in assessing the physiological quality of common bean seeds compared to the information provided by the traditional vigor tests recommended for this species. Four genotypes of common bean were used, each one represented by four seed lots. Characterization of the physiological potential of the lots was carried out by the following tes

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Colete, Julio Cesar Fachini, Roberval Daiton Vieira, and Alek Sandro Dutra. "Electrical conductivity and soybean seedling emergence." Scientia Agricola 61, no. 4 (2004): 386–91. http://dx.doi.org/10.1590/s0103-90162004000400006.

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Evaluation of soybean [Glycine max (L.) Merrill] seeds vigor and its relation with field seedling emergence can provide secure indicatives of seed physiological potential. The present research studied the relationship between the electrical conductivity test and the seedling emergence of soybean in field and laboratory. The field experiment was sown in November 26th, December 3td and 10th, 2000. Laboratory tests were performed using levels of water potential in the substrate (soil) -0.03; -0.2; -0.4; and -0.6 MPa. Fourteen seed lots, seven of 'Embrapa 48' and seven of 'BRS 133' soybean cultiva

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Teixeira, Raianny Dos Reis, and Joseanny Cardoso Da Silva Pereira. "GERMINATION AND VIGOR OF INDUSTRIALLY TREATED MAIZE SEEDS." Ipê Agronomic Journal 3, no. 1 (2019): 59–70. http://dx.doi.org/10.37951/2595-6906.2019v3i1.4331.

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The industrial seed treatment combines the application of insecticides, fungicides, nematicides, micronutrients and other products. However, seed submission to the combination of several products can cause phytotoxicity, resulting in reduced viability and vigor, which is directly proportional to the increase in the storage period of the material. Thus, the objective was to determine the vigor of corn seeds and the percentage of germination in substrates when submitted to two types of industrial treatment as a function of storage time. The experimental design was a completely randomized, 2 x 2

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Matera, Thaisa Cavalieri, Lucas Caiubi Pereira, Alessandro Lucca Braccini, et al. "Accelerated aging test and its relationship to physiological potential of soybean seeds." Journal of Seed Science 41, no. 3 (2019): 301–8. http://dx.doi.org/10.1590/2317-1545v41n3212746.

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Abstract: Although accelerated aging is one of the tests most used for evaluation of the physiological quality of soybean seeds, there are few studies that relate it to other physiological tests used for the crop. In this context, the objective of this study was to investigate the relationship of accelerated aging to the results of physiological performance obtained in the vigor tests most frequently used in the soybean quality control system (germination, first count, seedling vigor classification, accelerated aging, electrical conductivity, emergence speed index, final emergence in sand subs

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Garcia, Jaquelini, and Cileide Maria Medeiros Coelho. "Accelerated aging predicts the emergence of rice seedlings in the field." Semina: Ciências Agrárias 42, no. 3Supl1 (2021): 1397–410. http://dx.doi.org/10.5433/1679-0359.2021v42n3supl1p1397.

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Selecting the most appropriate vigor test for rice to predict seedling emergence remains a challenge. This is mainly attributed to the diversity of available tests that evaluate vigor; however, there is a critical need for tests that can show a high correlation with field emergence. Thus, this study aimed to determine which vigor tests are the most efficient in predicting the emergence of rice seedlings, to facilitate correct selection for quality control analyses and pre-sowing for rice seed commercialization. Across two growing seasons, 2016/17 and 2017/18, different seed lots of ‘SCS122 Miu

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Machado, Carla Gomes, Givanildo Zildo Silva, Silvia Sanielle Costa Oliveira, and Cibele Chalita Martins. "Accelerated aging test for forage pea seeds." Semina: Ciências Agrárias 40, no. 5 (2019): 1819. http://dx.doi.org/10.5433/1679-0359.2019v40n5p1819.

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Forage pea is an important annual, cold climate crop with high levels of essential amino acids in its seeds, which are lacking in the composition of cereal grains. Therefore, livestock farmers use its seeds as a nutritious source of forage. To plant fields of this forage, it is necessary to know the quality of the seeds, determined through germination and vigor tests. In the literature, studies on vigor tests for forage pea seeds are scarce. This study aimed to verify the efficiency of vigor tests, with emphasis on accelerated aging to evaluate the physiological quality of forage pea seeds in

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Alvarenga, Renata Oliveira, and Julio Marcos-Filho. "Vigor evaluation of stored cotton seeds, including the Seed Vigor Imaging System (SVIS®)." Journal of Seed Science 36, no. 2 (2014): 222–30. http://dx.doi.org/10.1590/2317-1545v32n2944.

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This study aimed at evaluating efficiency of different tests to assess cotton seed vigor during storage, including the SVIS® software. Thereby, five cotton seed lots (cv. BRS 293) were stored under controlled environmental conditions of low temperature and relative humidity (10 ºC; 30% RH), and under non-controlled laboratory environmental conditions, for eight months. Evaluations of germination, first germination count, cool germination, accelerated aging test traditional and with saturated salt, field seedling emergence and seedling imaging automated analysis - SVIS® were performed before an

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Steiner, J. J., D. F. Grabe, and M. Tulo. "Single and Multiple Vigor Tests for Predicting Seedling Emergence of Wheat." Crop Science 29, no. 3 (1989): 782–86. http://dx.doi.org/10.2135/cropsci1989.0011183x002900030049x.

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Trawatha, Susan E., Jeffrey J. Steiner, and Kent J. Bradford. "Laboratory Vigor Tests Used to Predict Pepper Seedling Field Emergence Performance." Crop Science 30, no. 3 (1990): 713–17. http://dx.doi.org/10.2135/cropsci1990.0011183x003000030048x.

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Cruz, Sara Michelly, Marcela Carlota Nery, Adriana de Souza Rocha, Édila Vilela de Resende Von Pinho, Paulo César de Resende Andrade, and Denise Cunha Fernandes dos Santos Dias. "Vigor tests for evaluation of crambe (Crambe abyssinica Hochst) seed quality." Journal of Seed Science 35, no. 4 (2013): 485–94. http://dx.doi.org/10.1590/s2317-15372013000400010.

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The aim of this study was adapting the methodology of the accelerated aging test (AA) and electrical conductivity test (EC) to evaluate seed quality of crambe, as well as verifying enzymatic activity in relation to vigor differences. Crambe seed lots, cv. FMS Brilhante, were evaluated by the AA test, for periods of 0, 24, 48, 72 and 96 h, at 42 °C, with and without NaCl saturated solution; and the EC test, by soaking seeds into deionized water (mL) in the ratios of 25/25, 25/50, 50/50 and 50/75 (seed/water) for 2, 4, 6, 8, 10, 12, 14, 16 and 18 h. The electrophoretic profile for isozymes ester

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Rinaldi, Luanna Karoline, Diandra Javorski, Maicon Javorski, et al. "Adequacy of the Electrical Conductivity Test Methodology for Millet Seeds." Journal of Agricultural Science 9, no. 11 (2017): 130. http://dx.doi.org/10.5539/jas.v9n11p130.

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Companies have sought to improve, more and more, the quality control of the seeds produced, improving tests that evaluate the vigor of the seeds with greater speed and precision. The objective of the present work was to study the effects of imbibition time on the results of the electrical conductivity test to evaluate the vigor of millet seeds and to correlate with the other tests carried out. Six seeds lots of the ADR300 cultivar with different vigor levels were used. Germination, first germination count, accelerated ageing, emergence and emergence speed of seedlings in sand and electrical co

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Contreras, Samuel, and Margarita Barros. "(424) Vigor Testson Lettuce Seeds and Their Correlation with Emergence." HortScience 40, no. 4 (2005): 1022C—1022. http://dx.doi.org/10.21273/hortsci.40.4.1022c.

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The main objective of this study was to evaluate some of the available seed vigor tests to predict lettuce (Lactuca sativa L.) seedling emergence. Eight lettuce seed lots were evaluated by the following laboratory vigor tests: germination (GT); accelerated aging (AA); saturated salt accelerated aging (SSAA); conductivity (EC); and seed vigor imaging system (SVIS). Also evaluated were the percentage (EP) and speed (ES) of the seed lots' emergence under three conditions: seedling trays (ST) filled with a mixture of peat (80%) and perlite (20%); boxes with a clay loam soil (BS); and boxes with a

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Hall, R. D., and L. E. Wiesner. "Relationship between Seed Vigor Tests and Field Performance of ‘Regar’ Meadow Bromegrass." Crop Science 30, no. 5 (1990): 967. http://dx.doi.org/10.2135/cropsci1990.0011183x003000050001x.

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Oakley, Kay, Robert Geneve, Sharon Kester, and Patchara Wonprasaid. "573 Seed Vigor Testing for Small-seeded Flower Species using Computer-aided Image Analysis." HortScience 34, no. 3 (1999): 545C—545. http://dx.doi.org/10.21273/hortsci.34.3.545c.

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Standardized seed vigor tests must be developed for greenhouse-grown flower species. Current vigor tests used to evaluate large-seeded agronomic crops are generally not useful for evaluating smaller-seeded flower species. One alternative is to use radicle length in seedlings grown under controlled environments as an indicator of seed vigor. For that purpose, a seed vigor test was developed that uses digital images taken using a flat bed scanner to measure radicle length in small-seeded flower species. A novel, cellulose substrate was used for germinating seeds. It provided similar moisture-hol

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Chiquito, Adrielle Aparecida, Francisco Guilhien Gomes Junior, and Julio Marcos-Filho. "Assessment of physiological potential of cucumber seeds using the software Seedling Vigor Imaging System® (SVIS®)." Revista Brasileira de Sementes 34, no. 2 (2012): 255–63. http://dx.doi.org/10.1590/s0101-31222012000200010.

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The software Seed Vigor Imaging System (SVIS®), has been successfully used to evaluate seed physiological potential by automated analyses of scanned seedlings. In this research, the efficiency of this system was compared to other tests accepted for assessing cucumber (Cucumis sativus L.) seed vigor of distinct seed lots of Supremo and Safira cultivars. Seeds were subjected to germination, traditional and saturated salt accelerated aging, seedling emergence, seedling length and SVIS analyses (determination of vigor indices and seedling growth uniformity, lengths of primary root, hypocotyl and w

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Mondo, Vitor Henrique Vaz, Adriano Stephan Nascente, and Manoel Oliveira Cardoso Neto. "Common bean seed vigor affecting crop grain yield." Journal of Seed Science 38, no. 4 (2016): 365–70. http://dx.doi.org/10.1590/2317-1545v38n4166814.

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Abstract: Among the factors that affect seedling emergence and crop establishment are seed germination and vigor, which has an important influence on the establishment of the initial plant population and development, and may affect crop yield. Based on this background the objective of this research work was to evaluate the effects of seed vigor of common bean seed lots and its effects on crop grain yield. The treatments consisted of six seed lots of common bean, which were composed by different combinations of high and low vigor seeds. Seed lots were assessed by germination and vigor tests (fi

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Dias, Marcos Altomani Neves, Tais Leite Ferreira Pinto, Vitor Henrique Vaz Mondo, Silvio Moure Cicero, and Leticia Gomes Pedrini. "Direct effects of soybean seed vigor on weed competition." Revista Brasileira de Sementes 33, no. 2 (2011): 346–51. http://dx.doi.org/10.1590/s0101-31222011000200017.

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Seed vigor is one of the factors that determines the speed and uniformity of seedling emergence and initial plant growth, which are crucial aspects in the competition against weeds. The objective of this study was to verify the direct effects of soybean seed vigor on weed competition and grain yield. A field experiment was conducted with three seed lots of the "Conquista" cultivar, previously characterized by physiological tests as having high, intermediate and low vigor. The experiment was divided into weeded and unweeded plots with six treatments. Crop plant height, weed dry mass accumulatio

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Catão, Hugo César Rodrigues Moreira, Franciele Caixeta, Ítala Menegon Castilho, Luana de Souza Marinke, Gabriel Zanardo Martins, and João Batista de Campos Menezes. "Potassium leaching test in evaluation of popcorn seed vigor." Journal of Seed Science 41, no. 4 (2019): 461–69. http://dx.doi.org/10.1590/2317-1545v41n4222939.

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Abstract: The search for tests that offer fast and reliable information on the physiological potential of seeds is of fundamental importance for quality control programs. The aim of this study was to evaluate the efficiency of the potassium leaching test in identification of different vigor levels of popcorn seed lots. Five seed lots of the hybrids AP8203 and AP4512 were tested for moisture content, and physiological quality was evaluated by tests of germination, first count of germination, and seedling emergence in the field. These results were compared to variations in the potassium leaching

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Carvalho, Tereza Cristina de, Francisco Carlos Krzyzanowski, Osvaldo de Castro Ohlson, and Maristela Panobianco. "Improved assessment of wheat seeds vigor." Ciência e Agrotecnologia 36, no. 6 (2012): 608–14. http://dx.doi.org/10.1590/s1413-70542012000600002.

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The tetrazolium test is widely used for seed vigor assessment of various plant species. For wheat, however, there is no methodology specifically recommended. This study aimed at determining an efficient procedure to evaluate vigor of wheat seeds by this test; besides allowing the establishment of seed quality classes. Thus, four different wheat seed lots were assessed by determining the moisture content and through tests of germination, accelerated aging, and field seedling emergence. The following methodologies were assessed: 1) longitudinal bisection of seed, with subsequent placement of the

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Siriwitayawan, Gunching, A. Bruce Downie, and Robert L. Geneve. "Ethylene Evolution is Positively Correlated with Seed Vigor in Sweet Corn and Tomato Seed Lots with Differing Vigor Levels but Similar Germination Capacity." Journal of the American Society for Horticultural Science 128, no. 4 (2003): 608–14. http://dx.doi.org/10.21273/jashs.128.4.0608.

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Sweet corn (Zea mays L.) and tomato (Lycopersicon esculentum Mill.) seeds were aged naturally for 18 months or artificially aged using saturated salt accelerated aging to provide seed lots that differed in seed vigor, but retained a high standard germination percentage. Seed vigor was confirmed using standard vigor tests, including time to radicle emergence, cold, and accelerated aging tests. Ethylene evolution from both sweet corn and tomato seeds during germination was positively correlated with seed quality. Differences in ethylene evolution between nonaged and aged seeds were greater in se

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Vujakovic, Milka, Svetlana Balesevic-Tubic, Dusica Jovicic, et al. "Viability of soybean seed produced under different agro-meteorological conditions in Vojvodina." Genetika 43, no. 3 (2011): 625–38. http://dx.doi.org/10.2298/gensr1103625v.

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At the time of soybean seed sowing in the field, a high soil moisture, low soil and air temperatures, and crasts formation may occur, which can lead to slow germination, poor seedling establishment, and in some cases to loss of seed vigor. Due to the importance and prevalence of soybean the aim of this study was to determine the quality and seed viability of different genotypes produced at three locations in Vojvodina during 2009 and 2010. Eight soybean varieties (Afrodita, Valjevka, Balkan, Novosadjanka, Ravnica, Ana, Vojvodjanka and Venera) produced in Vrbas, Senta and Indjija during 2009 an

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Mielezrski, Fábio, and Julio Marcos-Filho. "Assessment of physiological potential of stored pea (Pisum sativum L.) seeds." Journal of Seed Science 35, no. 1 (2013): 42–50. http://dx.doi.org/10.1590/s2317-15372013000100006.

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Research on pea seed storage and the identification of efficient seed vigor tests for this species is still insufficient, especially for cultivars that produce wrinkled seeds used for consumption in natura. The objective of this study was to verify the accuracy of tests to assess the physiological potential of pea seed lots stored in different environments. Four seed lots of two cultivars, 'Telefone Alta' (indeterminate growth habit) and 'Itapuã' (determinate growth habit) were stored under different environmental conditions for 8 months: a) laboratory uncontrolled b) dry and cold chamber (10

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Silva, Luciana Maria da, Anderson Dias Vaz de Souza, Rogério Lámim Silva Junior, Natália Arruda, Nei Peixoto, and Katiane Santiago Silva Benett. "Accelerated Aging Test to Determine the Vigor of Mungbean Seeds." Journal of Agricultural Science 11, no. 7 (2019): 42. http://dx.doi.org/10.5539/jas.v11n7p42.

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The use of good quality seeds is fundamental for proper establishment of a crop. In this way, for more precise determination of seed quality, vigor tests are performed in addition to the germination test. These tests enable the selection of the best lots for commercialization and planting. This study evaluates the effects of temperature and exposure times of the accelerated aging test for vigor classification of mungbean seed lots. Seeds of the mungbean cultivar Esmeralda were used, being obtained from four cultivated plots at the State University of Goi&aacute;s (UEG), Ipameri C&acirc

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Sousa, Erivanessa C., Moadir S. Leite, Salvador B. Torres, et al. "Classification of Sorghum bicolor (L.) Moench Seed Vigor by Respiratory Activity." Journal of Agricultural Science 10, no. 10 (2018): 343. http://dx.doi.org/10.5539/jas.v10n10p343.

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Seeds are one of the main inputs used in agriculture, and their quality is directly related to the success of the field crop. Thus, seed companies increasingly need to obtain fast and reliable seed quality results, making it easier to make decisions regarding the use of seed batches. In this sense, the objective was to evaluate the CO2 measurement efficiency in the classification of S. bicolor seed vigor. For this, six batches of cv. Ponta Negra seeds were used, from different national producers. The physiological quality of the seeds was evaluated by means of the following tests: germination,

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Suñé, A. S., D. B. Rodrigues, A. S. Almeida, et al. "New Vigor Methodology in Pearl Millet Seeds." Journal of Agricultural Science 11, no. 4 (2019): 205. http://dx.doi.org/10.5539/jas.v11n4p205.

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The use of high quality seeds is of utmost importance and is intimately related to seed vigor. The objective of this study was to stablish a novel methodology for evaluating the vigor of pearl millet seeds. The experiment was performed at the Federal University of Pelotas, using 5 seed lots of pearl millet cv. BRS1501. The research was carried out in two stages: first, seed lots were characterized (physiological quality tests); second, the initial emergence and development of pearl millet seedlings was evaluated, testing four different substrates and five sowing depths in the emergence test. T

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