Development of novel techniques in conditioning, testing and sorting seed physiological quality

Dell’Aquila, A.

doi:10.15258/sst.2009.37.3.10

Cited by 42 publications

(28 citation statements)

References 0 publications

Supporting

Mentioning

Contrasting

Unclassified

Order By: Relevance

“…Some of these enzymes (biochemical markers) accumulate and others have progressively reduced synthesis and activity throughout deterioration; -variations in specific protein profiles, especially those related to respiration, lipid peroxidation and removal of free radicals could provide efficient indicators to monitor biochemical processes associated with seed vigor; -flow cytometry has opened new possibilities for quantification of cellular events, content and integrity of DNA, critical aspects related to the normal germination process and expression of seed vigor; -the evaluation of chlorophyll fluorescence is promising to the indirect determination of physiological potential of individual seeds by measurement of chlorophyll content (Cicero et al, 2009;Dell'Aquila, 2009); lack of degradation of this compound during seed maturation usually results negative effects on vigor.…”

Section: Perspectivementioning

confidence: 99%

Seed vigor testing: an overview of the past, present and future perspective

Filho

2015

Sci. agric. (Piracicaba, Braz.)

351

215

View full text Add to dashboard Cite

The assessment of seed vigor has many important implications to the seed industry as a basic monitoring of seed physiological potential during different phases of seed production and a support for strategic decisions regarding the selection of high quality seedlots to meet the consumer demand. The potential attributes of seed vigor as a fundamental physiological seed characteristic and its association with field stand establishment and crop productivity has been worldwide recognized from the 1960s onward. This led to the diversification of research approaches involving the synchronization of different physiological characteristics and events that determine the potential for high performance during seed storage and after sowing. The basic objective of vigor testing is to provide a consistent identification of differences in physiological potential among seedlots of commercial value and this represents a more sensitive parameter than the germination test. There are various procedures to assess seed vigor including those that directly or indirectly evaluate seed metabolic state or identify seed tolerance to specific stress(es). At the same time, in more recent years, new knowledge has come from molecular biology, biotechnology, biophysics and seed and seedling imaging analyses; these approaches has been important complements to traditional seed research.. This text has the purpose to emphasize the role of Brazilian research in seed vigor, whose competence is internationally recognized, and to provide an overview of the evolution of knowledge also attempting to highlight events that contributed to the advancement of research on the subject.

show abstract

Section: Perspectivementioning

confidence: 99%

Seed vigor testing: an overview of the past, present and future perspective

Filho

2015

Sci. agric. (Piracicaba, Braz.)

351

215

View full text Add to dashboard Cite

show abstract

“…Durante as últimas décadas, o interesse em desenvolver técnicas apropriadas para obter melhores informações sobre as culturas tem sido tópico central de pesquisas (Dell'aquila, 2009). No âmbito nacional, a avaliação dos efeitos do potencial fisiológico das sementes de soja sobre o estabelecimento e desempenho de plântulas em condições de campo é extremamente relevante, devido à importância dessa cultura no contexto do agronegócio e da economia brasileira (Schuch et al, 2009).…”

Section: Introductionunclassified

Avaliação do potencial fisiológico de lotes de sementes de soja

Santos

Alvarenga

Timóteo

et al. 2011

Rev. bras. sementes

View full text Add to dashboard Cite

Vários procedimentos são utilizados para avaliar o potencial fisiológico de sementes, sendo fundamental a utilização daqueles que reflitam melhor o desempenho em campo. A pesquisa teve como objetivo avaliar o potencial fisiológico de sementes de soja por meio de testes de avaliação rápida, de vigor, de emergência de plântulas em campo e análise computadorizada de imagens (SVIS®), procurando identificar o procedimento mais eficiente na separação de lotes. Cinco lotes das cultivares BRS Valiosa RR e CD 208 foram avaliados em duas épocas (antes e após armazenamento) pelos testes de germinação, de avaliação rápida (embebição em água e pH do exsudato), de vigor (envelhecimento acelerado e condutividade elétrica), de emergência de plântulas em campo e análise computadorizada de imagens (SVIS®). Os testes de germinação em areia, de condutividade elétrica e de embebição em água foram eficientes na separação dos lotes, mas apenas este último possibilitou identificar diferenças consistentes entre os lotes nos dois períodos avaliados. Assim, o teste de embebição em água pode ser considerado promissor na composição de programas de controle de qualidade.

show abstract

“…Over the past 20 years, nondestructive techniques for seed inspection have drawn increased attention, Some commonly used techniques are machine vision, x-ray analysis, chlorophyll-fluorescence labeling, and spectrometry [7]. Lurstwut and Pornpanomchai(2016) presented a machine vision application for rice-seed germination analysis through image processing and on the basis of color, size, and texture features.…”

Section: Conclusion and Discussionmentioning

confidence: 99%

Application of Computer Vision Technology on Seed Conditioning and Parameter Determination of Zhengdan958 Corn Variety (Zea Mays L.)

Wen¹,

Yang²,

Wang³

et al. 2018

dtcse

View full text Add to dashboard Cite

Abstract. In order to provide clear data support for corn seeds conditioning and parameter selection, and get the optimal selection results for specific seeds batches, we used seed identification software to extract the color and morphology traits of 304 single kernels of Zhendan958 corn variety, and analyzed the correlation of these physical parameters with seedling fresh and dry weights. The results showed that the width, length, projection area, Blue, b, and S of the endosperm are significantly correlated with the fresh weight of each seedling, with a correlation coefficient exceeding 0.5 and a coefficient of variation of over 10%, which means if we sort seeds according to these traits, we could get good seed processing results. When using the selection criteria Blue > 160, b < 30, Saturation ≤ 30, width < 8 mm, length < 9 mm, and projection area < 50 mm 2 , the average fresh weight of the resulting seedlings increased by 1.0233, 1.0250, 1.0250, 1.0325, 1.0295, and 1.0250 g, respectively, which represents an increase of at least 6%. Verification test in the same seed batch validated our results. This kind of test could be used in seed processing factory and determine the optimal seed conditioning procedures and parameters.

show abstract

Development of novel techniques in conditioning, testing and sorting seed physiological quality

Cited by 42 publications

References 0 publications

Seed vigor testing: an overview of the past, present and future perspective

Seed vigor testing: an overview of the past, present and future perspective

Avaliação do potencial fisiológico de lotes de sementes de soja

Application of Computer Vision Technology on Seed Conditioning and Parameter Determination of Zhengdan958 Corn Variety (Zea Mays L.)

Contact Info

Product

Resources

About