نتایج جستجو برای: germination rate and seed vigor index

تعداد نتایج: 16937618  

2012
Hassan Heidari

A field experiment and a laboratory experiment were conducted in 2011 to determine the effect of intensity of defoliation on yield of maize (Zea mays). The field experiment included seven defoliation intensities (0, 2, 4, 6, 8, 10 and whole leaves per plant) from top to bottom leaves. Seeds of the field experiment were used for the laboratory experiment. In the laboratory experiment, germinatio...

This study was conducted to evaluate the effects of accelerated aging and natural storage on seed germination and seedling heterotrophic growth of chickpea in Gorgan University of Agricultural Sciences and Natural Resources in 2014. The experiment was carried out, adopting a completely randomized design with four replications. Treatments were 8 aging levels (i.e., 2 years, and 4 years natural s...

Journal: :محیط زیست طبیعی 0
محمدرضا طاطیان استادیار دانشگاه علوم کشاورزی و منابع طبیعی ساری رضا تمرتاش کارشناس ارشد دانشگاه علوم کشاورزی و منابع طبیعی ساری سارا حشمتی کارشناس ارشد دانشگاه علوم کشاورزی و منابع طبیعی ساری حمیدرضا سعیدی گراغانی کارشناس ارشد دانشگاه علوم کشاورزی و منابع طبیعی ساری

due to the use of secale montanum for different rangelands reclamation across the country, management of these ecosystems need to be aware of its ability to environmental stresses. this research investigated the effect of pollutant element of cu and pb on seed germination and growth of this species in laboratory. therefore, the effect of five treatments (control, 50, 100, 150, 200ppm) of pb (no...

Journal: :Malaysian applied biology 2021

Shallot (Allium cepa L. var. aggregatum) cultivation is performed using True Seed (TSS) to obtain seedlings. However, it difficult handle when sowing directly, due the seed’s small and irregular shape. Therefore, encapsulation technology needed make TSS seeds have a larger size regular Shallots enable be more significant, roundshaped through encapsulation. This research was conducted combinatio...

Journal: :Plant physiology 2008
Loïc Rajjou Yoann Lovigny Steven P C Groot Maya Belghazi Claudette Job Dominique Job

A variety of mechanisms have been proposed to account for the extension of life span in seeds (seed longevity). In this work, we used Arabidopsis (Arabidopsis thaliana) seeds as a model and carried out differential proteomics to investigate this trait, which is of both ecological and agricultural importance. In our system based on a controlled deterioration treatment (CDT), we compared seed sam...

2016
B. M. Khan

microorganisms has positive role on seed germination and growth of plants. In the present study, its efficacy on seed germination and seedling growth of Albizia lebbeck in the nursery was studied. The seeds were sown in polybags filled with a mixture of forest soil and cow dung (3:1) and treated with 0.1%, 0.5%, 1%, 2%, 5% and 10% concentrations of MI. Most of the parameters studied (seed germi...

This study was performed to investigate the effect of storage conditions on seed germination performance of faba bean (cv. Shami). For this purpose, a three factors factorial experiment was conducted in laboratory of Seed Science and Technology, Faculty of Agriculture, Yasouj University, in 2013-2014, based on CRD design with five replications.  The experimental factors were storage temperature...

Journal: :فصلنامه علمی اکوفیزیولوژی گیاهان زراعی 0

safflower is one of the oldest cultivated plants and oilseed as a native iran could have in the development of oilseeds cultivation. to evaluate the morphological characteristics of safflower (carthamus tinctorius l) an experiment was conducted as a completely randomized design. the figures include 1- pi 23755 2-pi 239041 3- pi 250202 4- pi 250532 5- pi 25268 6- pi 253515 7- pi 253541 8- pi 253...

Journal: :علوم گیاهان زراعی ایران 0
رامین عالیوند کارشناس ارشد علوم و تکنولوژی بذر، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج رضا توکل افشاری استاد، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج فرزاد شریف زاده دانشیار، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج محمدرضا اسیری دانشجوی کارشناسی ارشد صنایع غذایی، پردیس کشاورزی و منابع طبیعی دانشگاه تهران، کرج

sesame is one of the most important oil crops in iran. high oil seed content makes it difficult to store for a long period of time. this study was conducted in 2012 to evaluate possible physiological and biochemical changes in seed under different storage conditions. various seed moisture content (5, 9, 13, and 17%) were evaluated under five temperatures (5, 15, 25, 35, 45) for six month. germi...

Journal: :journal of agricultural science and technology 2014
l. dong z. hao z. li j. zhu q. wang

welsh onion (allium fistulosum l.) is one of the important vegetable crops in china. however, the seeds of this crop are short-lived and their vitality tends to be easily lost in the course of storage. the present study was conducted to elucidate the effects of welsh onion seed priming with potassium nitrate (kno3) on seed vigor and on other such related mechanisms during twelve months of stora...

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