نتایج جستجو برای: seed longevity

تعداد نتایج: 94066  

Journal: :Indian Journal Of Agricultural Research 2018

Journal: :International Journal of Current Microbiology and Applied Sciences 2020

2015
Helene Fotouo-M Elsa S. du Toit Petrus J. Robbertse

Seed ageing during storage is one of the main causes of reduction in seed quality and this results in loss of vigour and failure to thrive. Finding appropriate storage conditions to ameliorate deterioration due to ageing is, therefore, essential. Ultrastructural changes in cellular organelles during storage and seed germination rates are valuable indices of damage that occurs during seed ageing...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی 1390

insurers have in the past few decades faced longevity risks - the risk that annuitants survive more than expected - and therefore need a new approach to manage this new risk. in this dissertation we survey methods that hedge longevity risks. these methods use securitization to manage risk, so using modern financial and insurance pricing models, especially wang transform and actuarial concepts, ...

Journal: :علوم گیاهان زراعی ایران 0
حمیدرضا عیسوند استادیار گروه زراعت و اصلاح نباتات دانشکدۀ کشاورزی دانشگاه لرستان

one of the most common methods for conservation of plant genetic resources is their ex situ storage as seed gene banks. seeds that are stored in the gene banks must be regenerated due to exchange and seed deterioration; if they not be regenerated the potential benefits of infrastructure investments for germplasm ex situ conservation may not be attained. prediction of seed longevity is based on ...

Journal: :Legume Research 2021

Background: Soybean is an important oilseed crop but it has poor seed longevity. Studies on longevity are very complex and hence, indirect selection criterion should be identified. In this study, its association with agronomic traits of seven soybean varieties was evaluated in the year 2019-2020.Methods: Seed were kept for storage under ambient conditions a period 16 months (January 2019 to May...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2000
J Buitink O Leprince M A Hemminga F A Hoekstra

Molecular mobility is increasingly considered a key factor influencing storage stability of biomolecular substances, because it is thought to control the rate of detrimental reactions responsible for reducing the shelf life of, for instance, pharmaceuticals, food, and germplasm. We investigated the relationship between aging rates of germplasm and the rotational motion of a polar spin probe in ...

Journal: :New Zealand Plant Protection 2000

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