نتایج جستجو برای: seed characteristics

تعداد نتایج: 732027  

2011
M J Krasowski

Contents 1. Introduction 2. The unique character of forestry planting stock 2.1 Nursery-cultured planting stock 2.2 Wildings 3. The role of forest nurseries in forest management 4. Does the nursery affect the planting stock? 5. Types of nurseries 5.1 Bareroot nurseries 5.2 Container nurseries 5.3 A combination of container and bareroot nursery culture 6. Establishing a new nursery 6.1 Economic ...

Journal: :Journal of autism and developmental disorders 2012
Diana E Schendel Carolyn Diguiseppi Lisa A Croen M Daniele Fallin Philip L Reed Laura A Schieve Lisa D Wiggins Julie Daniels Judith Grether Susan E Levy Lisa Miller Craig Newschaffer Jennifer Pinto-Martin Cordelia Robinson Gayle C Windham Aimee Alexander Arthur S Aylsworth Pilar Bernal Joseph D Bonner Lisa Blaskey Chyrise Bradley Jack Collins Casara J Ferretti Homayoon Farzadegan Ellen Giarelli Marques Harvey Susan Hepburn Matthew Herr Kristina Kaparich Rebecca Landa Li-Ching Lee Brooke Levenseller Stacey Meyerer Mohammad H Rahbar Andria Ratchford Ann Reynolds Steven Rosenberg Julie Rusyniak Stuart K Shapira Karen Smith Margaret Souders Patrick Aaron Thompson Lisa Young Marshalyn Yeargin-Allsopp

The Study to Explore Early Development (SEED), a multisite investigation addressing knowledge gaps in autism phenotype and etiology, aims to: (1) characterize the autism behavioral phenotype and associated developmental, medical, and behavioral conditions and (2) investigate genetic and environmental risks with emphasis on immunologic, hormonal, gastrointestinal, and sociodemographic characteri...

Extend abstract Introduction: Guava (Psidium guajava L.) is one of the most important fruit crops of tropical and subtropical regions. Guava (Psidium guajava L.) can be propagated by seed, layering, grafting, cutting or tissue culture. Propagation by seed is used for the production of seedlings usable in breeding programs or rootstock production for grafting. Guava seeds germinate poorly and u...

2010
Dave Lubertazzi Maria A. Aliberti Lubertazzi Neil McCoy Aaron D. Gove Jonathan D. Majer Robert R. Dunn

Rhytidoponera violacea (Forel) (Hymenoptera: Formicidae) is a keystone seed disperser in Kwongan heathl and habitats of southwestern Australia. Like many myrmecochorous ants, little is known about the basic biology of this species. In this study various aspects of the biology of R. violacea were examined and the researchers evaluated how these characteristics may influence seed dispersal. R. vi...

2013
Hamed Mirhosseini Bahareh Tabatabaee Amid

UNLABELLED BACKGROUND A natural carbohydrate biopolymer was extracted from the agricultural biomass waste (durian seed). Subsequently, the crude biopolymer was purified by using the saturated barium hydroxide to minimize the impurities. Finally, the effect of different drying techniques on the flow characteristics and functional properties of the purified biopolymer was investigated. The pre...

Journal: :علوم گیاهان زراعی ایران 0
مصطفی ولیزاده استاد، دانشکده کشاورزی دانشگاه تبریز فرزانه شریعتی دانشجوی کارشناسی ارشد دانشکده کشاورزی دانشگاه تبریز هوشنگ آلیاری استادیار دانشکده کشاورزی دانشگاه تبریز سجاد محرم نژاد دانشجوی کارشناسی ارشد دانشکده کشاورزی دانشگاه تبریز

in order to evaluate the genetic diversity of common bean (phaseolus vulgaris l.) and the relationships between studied characteristics with seed storage proteins, 60 genotypes with three colors (white, red and pinto bean) were studied using an augmented design with three blocks and four varieties as controls. the majority of studied traits were significantly different between large and small s...

In order to evaluate the effect of hydropriming on seed germination of Vigna radiata under salinity stress, an experiment was arranged in a factorial based on a completely randomized design with three replications in the laboratory of the Agricultural College of the University of Ramin Khuzestan. Treatments were salinity stress at 4 levels (0, 3, 6 and 9 Mmhos) and hydro priming at 3 levels (1,...

2014
Sascha Truyens Nele Weyens Ann Cuypers Jaco Vangronsveld

Although the importance of plant-associated microorganisms for plant growth and health was getting more recognition recently, the role of seed-associated microorganisms, and especially seed endophytic bacteria, still is underestimated. Nevertheless, these associations could be beneficial for germination and seedling establishment as seed endophytic bacteria are already present in these very ear...

A. Jowkar A. RahimianBoogar M. MousaviNik

ABSTRACT- Improper seed germination is a serious challenge for medicinal herbs under drought stress conditions in semi-arid and arid regions. A new group of plant growth regulators known as karrikins have been proved useful to improve seed germination in some plants. In this regard, the effects of karrikin on seed germination and vigor of three medicinals under drought stress were examined. See...

2018
Wenting Liu Tianle Wang Shuang Zhang Lijun Ding Zhijun Wei

Seed germination plays an important role in determining the composition and regeneration of plant populations (Stipa breviflora). However, the influencing factors and strategies employed for seed germination in desert grasslands under grazing remain unknown. Therefore, in this study, the reproductive allocation, seed density, seed properties, and corresponding seed germination rates of S. brevi...

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