نتایج جستجو برای: ear length

تعداد نتایج: 344956  

ژورنال: علوم آب و خاک 2000
ارزانی, احمد , رامئه, ولی ‌اله , رضایی, عبدالمجید ,

Diallel crosses of six breeding inbred lines of corn (Zea mays L.) were used to estimate combining abilities, heterosis and some other genetic parameters for yield and some of its components. Parents, 15 F1 crosses and 4 filler genotypes, were evaluated in a 5×5 simple lattice design. For all the traits studied, except seed length, the efficiency of lattice design was less than one. Therefore...

Journal: :Journal of Agricultural Sciences, Belgrade 2006

G. Nouamane I. Boujenane, L. Derqaoui

The objective of this study was to identify morphological measurements that best distinguish Moroccan Barcha and Atlas goat breeds. Ten measurements (body weight - BW, body length - BL, heart girth - HG, withers height - WH, rump height - WH, back length - BAL, neck length - NL, head length - HL, ear length - EL, and ear width - EW) of 876 adult animals of both sexes (547 Barcha and 329 Atlas) ...

Journal: :Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology 2003
C Sacchini A El-Sheikhah S Cicero G Rembouskos K H Nicolaides

OBJECTIVE To determine the value of measuring fetal ear length at 11-14 weeks of gestation in screening for chromosomal defects. METHODS The fetal ear length was measured in 450 fetuses immediately before chorionic villus sampling for karyotyping at 11-14 weeks of gestation. RESULTS The median gestational age was 12 (range, 11-14) weeks. The fetal ear was successfully examined in all cases....

Journal: :Plant Growth Regulation 2022

Abstract Ear length is an important component of maize grain yield. However, the ear a complex quantitative trait, and underlying molecular mechanisms remain poorly understood. Here, chromosome segment substitution line (CSSL) 1283 displayed longer compared with recipient parent Xu178. An RNA sequencing analysis Xu178 CSSL1283 ears during three undifferentiated developmental stages identified 1...

2007
Lindolfo Storck Sidinei José Lopes Alberto Cargnelutti Filho Luiz Fernando Dias Martini Melissa Pisaroglo de Carvalho

Using adequate sample size in experimental units improves the efficiency of the research. In the agricultural year of 2004/2005, an experiment was conducted in Santa Maria, Rio Grande do Sul State, Brazil, with the objective of estimating sample size for the following traits: ear length, ear and cob diameter, ear weight, weight of grains per ear, cob weight and the weight of 100 grains, number ...

Extended Abstract Introduction and Objective: Selection of desirable hybrids compared to other maize hybrids (Zea mays L.) is one of the methods used to achieve high grain yield in maize. Also, the most important morphological features affecting grain yield can be used in the selection and introduction of genotypes. Material and Methods: This study was conducted to investigate the relationshi...

Journal: :بوم شناسی کشاورزی 0
مریم آشفته بیرگی برات علی سیاه سر سعید خاوری محمد گلباشی نفیسه مهدی نژاد عادل علیزاده

in this study 18 corn hybrids consist of 15 new early and mid mature foreign hybrids and three commercial iranian corn hybrids (ksc704, ksc647 and dc370) as controls were evaluated at two rcbd with three replications at the khorasan razavi agricultural research and natural resources center, during 2008 -2010. results showed that hybrid exp1 and dc370 with 16.5 and 12.1 t.ha-1 were the best and ...

Journal: :بوم شناسی کشاورزی 0
علی یزدی مطلق سعید خاوری خراسانی سعید بختیاری جعفر موسی آبادی

in order to study the effects of planting pattern on yield and yield components in different cultivars of forage corn (zea mays l.), an experiment was conducted at saline conditions (ec=6.43 ds.m-1) of dasht-e-malhe, neyshabour during growing season of 2009-2010. nine treatments and two furrow planting and furrow bed planting as main plots and three cultivars (ksc 704, zp 644 and ns540) as sub ...

2006
Martin M. Williams John B. Masiunas

John B. Masiunas Department of Natural Resources and Environmental Sciences, University of Illinois, 1201 West Gregory Drive, Urbana, IL 61801 Field experiments were conducted to quantify functional relationships between giant ragweed density and sweet corn yield and ear traits. A rectangular hyperbolic model was fit to yield loss measured in terms of marketable ear mass, appropriate for the pr...

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