نتایج جستجو برای: seed number

تعداد نتایج: 1235506  

Journal: :پژوهش های زراعی ایران 0
شهرام چقامیرزا کیانوش چقامیرزا رضا محمدی

in order to study of genetic variation and identification of yield components in chickpea, a trial consists of 96 accessions of chickpea received from iranian gen bank (seed and plant improvement institute) along with five checks (arman, bivanij, jam, hashem and ilc-482) was conducted based on an augmented design in 2005-06 cropping season at research farm of agricultural college, razi universi...

Journal: :حفاظت گیاهان 0
مرتضی نورعلیزاده یحیی ابطالی اسکندر زند رضا ولی الله پور

in order to study the effect of different redroot pigweed (amaranthus retroflexus) density on yield, yield components of soybean cultivar and determining competitive cultivar, a field experiment was carried out at mazandaran agricultural research station 2006. experiment was set up at a randomized complete block design with five rates of pigweed (0, 4, 8, 12 and 16 plant per square meter) and t...

2014

This research was made during the 2011 and 2012 growing periods in the trial filed of "Research Station for Management of Soil Water and Desertification" according to “Randomized Blocks Design” with 3 replications. Research material was the following chickpea genotype; CA119, CA128, CA149, CA150, CA222, CA250, CA254 and other 2 commercial varieties named as Gökçe and Yaşa. Some agronomical char...

امیری فهلیانی, رضا, ضیائی, محمد, فرجی, هوشنگ,

In addition to common vegetative multiplication, potato crop can be reproduced by true potato seed (TPS). Only the limited number of pests and diseases, which are the most important causes of a decrease in potato production, can be transmitted by true potato seed. Hence, to evaluate the potential of true potato seed in comparison to potato seed tuber and mini tuber, an experiment was conducted ...

Journal: :American journal of botany 2005
Carlos M Herrera

The perianth persists after flowering in many plants, yet its post-floral functionality has been little investigated, and the few studies available provide ambiguous evidence. This paper tests the hypothesis that the green persistent sepals of the perennial herb, Helleborus foetidus, contribute to the plant's fitness by enhancing seed number and/or size. Post-floral contribution of the calyx to...

Journal: :تولید گیاهان زراعی 0
محمد علی درّی مربی بهنام کامکار دانشیار دانشگاه علوم کشاورزی گرگان- گروه زراعت مهناز اقدسی دانشیار دانشگاه گلستان-گروه زیست شناسی الهه کمشی کمر دانشجوی کارشناسی ارشد زراعت- دانشگاه علوم کشاورزی گرگان

background and objectives: milk thistle (silybum marianum), a medicinal plant of the asteraceae family that have been used long time ago, in the treatment of liver disease. sowing date of this plant has not been determined, therefore, this study was necessary. this plant was identified as a weed, this plant is identified as a weed, while silymarin in the seeds are used in the anti-hepatitis and...

دهقانی, حمید, صباغ‌نیا, ناصر, روستاباغی, بهنام , علیزاده, بهرام ,

Using multivariate statistical methods in evaluation of various traits in several genotypes has caused the discovery of different aspects of agronomic crops’ traits. In order to study diversity and interrelationships of yield and yield components of rapeseed, 36 genotypes of rapeseed were used in a 6 × 6 simple lattice design layout with two replications. Results of primary analysis of variance...

Journal: :پژوهش های حبوبات ایران 0
احمد نظامی فرزین پورامیر صیاد مؤمنی حسن پرسا علی گنجعلی عبدالرضا باقری

identification of morphological, phenological and yield characteristics of genotypes is important in order to collect necessary information for available varieties and as a result selection of one or more specific traits. in this study, 73 kabuli chickpea genotypes from pulses seed bank of research center for plant sciences, ferdowsi university of mashhad, were planted in irrigated conditions a...

Journal: :بوم شناسی کشاورزی 0
فاطمه چوپان محمد بنایان اول قربانعلی اسدی جواد شباهنگ

to study the effects of planting date and planting density on quantitative traits of medicinal plant, schneider squash (cucurbita pepo l.), an experiment was conducted at research field of ferdowsi university of mashhad, in year 2012. a split plot arrangement based on randomized complete block design with three replications was used. treatments consisted of three planting date levels (1 may, 11...

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