نتایج جستجو برای: lodging and plant height

تعداد نتایج: 16884396  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تربیت مدرس - دانشکده فنی 1391

the study of air infiltration into the buildings is important from several perspectives that may be noted to energy and design of hvac systems, indoor air quality and thermal comfort and design of smoke control systems. given the importance of this issue, an experimental and numerical study of air infiltration through conventional doors and windows has been explored in iran. to this end, at fir...

Journal: :Euphytica 2022

Resistance to lodging, an important problem in rice production, has three types: low plant height, strong culm, and high strength of the lower part plant. The determinants remains unclear, compared with height culm strength. This study identified a new genetic factor involved part, as assessed by pushing resistance, using chromosomal segment substitution lines (CSSLs) clarify functional analysi...

2000
M. G. Bertram

The use of glyphosate resistant soybean (GRS) cultivars has increased rapidly from their introduction in 1996 to over 50% of Wisconsin soybean acres in 1999. While much research has been conducted using conventional cultivars to measure the influence of row spacing and seeding rates on soybean growth and yield, little has been done with new GRS cultivars. It may be necessary and/or more profita...

2013
Joseph Evans Ryan F. McCormick Daryl Morishige Sara N. Olson Brock Weers Josie Hilley Patricia Klein William Rooney John Mullet

Sorghum genotypes currently used for grain production in the United States were developed from African landraces that were imported starting in the mid-to-late 19(th) century. Farmers and plant breeders selected genotypes for grain production with reduced plant height, early flowering, increased grain yield, adaptation to drought, and improved resistance to lodging, diseases and pests. DNA poly...

2017
Denise T. Rezende de Cerqueira Ariane C. Schafer Brandon J. Fast Rod A. Herman

Agronomic characteristics of genetically modified (GM) MON 89034 × TC1507 × NK603 × DAS-40278-9 (PowerCore™ Enlist™), MON 89034 × TC1507 × NK603 (PowerCore™), and DAS-40278-9 (Enlist™) corn, a non-GM near-isogenic hybrid, and 2 commercial non-GM hybrids were assessed in a field study to determine if the agronomic performance of the GM corn hybrids is equivalent to that of non-transgenic hybrid ...

Journal: :به زراعی کشاورزی 0
فرناز فرجی دانشجوی دکتری زراعت، گروه زراعت و اصلاح نباتات، دانشکده علوم کشاورزی دانشگاه گیلان، رشت - ایران مسعود اصفهانی استاد گروه زراعت و اصلاح نباتات، دانشکده علوم کشاورزی، دانشگاه گیلان، رشت - ایران محمدرضا علیزاده دانشیار بخش فنی و مهندسی، موسسه تحقیقات برنج کشور، رشت - ایران علی اعلمی استادیار گروه زراعت و اصلاح نباتات، دانشکده علوم کشاورزی، دانشگاه گیلان، رشت - ایران

in order to evaluate the morphological characteristics and lodging related traits and carbohydrate content of culm and carbohydrate remobilization in traditional and improved rice cultivars, a field experiment was laid out in randomized complete block design with three replications at rice research institute of iran )rasht( in 2012 and 2013. rice genotypes included three native rice cultivars (...

2015
Daisuke Todaka Kazuo Shinozaki Kazuko Yamaguchi-Shinozaki

Advances have been made in the development of drought-tolerant transgenic plants, including cereals. Rice, one of the most important cereals, is considered to be a critical target for improving drought tolerance, as present-day rice cultivation requires large quantities of water and as drought-tolerant rice plants should be able to grow in small amounts of water. Numerous transgenic rice plants...

Journal: :پژوهش های حبوبات ایران 0
سعیده عالیپور محمدرضا مرادی تلاوت سید عطااله سیادت سید هاشم موسوی عزیز کرملا چعب

introduction bean (vicia faba l.) has the great old history of crop cultivation to date would be pushed back to a fairly long day plant, resistant to frost and cool season crop and up to 5 degrees celsius tolerated. bean prefers wet and cold conditions. excessive heat may cause fetal growth problems, loss and reduce the number of seeds per pod bean flowers to the growth of plant and fruit set o...

Journal: :Bioeksperimen: jurnal penelitian biologi 2022

Rice is a staple food for the majority of Asians; nevertheless, black rice has not been commonly consumed among them. The components yield will be determined by allocation photosynthate on and tall phenotype rice, which significant contributing factor to lodging. growth inhibitor paclobutrazol prevents manufacture gibberellin, results in rice. endogenous cytokinin content high at beginning grai...

2002
Ari Rajala Pirjo Peltonen-Sainio

Plant growth regulators (PGRs) are commonly used in commercial farming to control lodging in cereals. PGRs have been shown to alter yield formation and plant stand structure, other than the straw length. To study their potential in Northern growing conditions PGRs and their application time impacts on plant stand structure and yield formation in tall and short statured cultivars of barley, oat,...

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