نتایج جستجو برای: annual medicago
تعداد نتایج: 114869 فیلتر نتایج به سال:
Annual medic is an annual crop which performs well in various forage cropping systems. However availability of medic seeds is a major challenge for livestock producers in Iran. This study was conducted to determine if intercropping annual medic with barley can produce supplement medic seeds while barley grain yield as the main crop is not compromised. Two experiments were carried out at the exp...
Plants experience various environmental stresses, but tolerance to these adverse conditions is a very complex phenomenon. The present research aimed to evaluate a set of genes involved in osmotic response, comparing soybean and medicago with the well-described Arabidopsis thaliana model plant. Based on 103 Arabidopsis proteins from 27 categories of osmotic stress response, comparative analyses ...
Next-generation sequencing technology has increased the capacity to generate molecular data for plant biological research, including phylogenetics, and can potentially contribute to resolving complex phylogenetic problems. The evolutionary history of Medicago L. (Leguminosae: Trifoliae) remains unresolved due to incongruence between published phylogenies. Identification of the processes causing...
Six Medicago species were investigated to characterize and valorize plant genetic resources of pastoral interest in Morocco. Samples were obtained from the core collection of the South Australian Research and Development Institute (SARDI). The transferability of single sequence repeat markers of Medicago truncatula was successful with 97.6% efficiency across the five species. A total of 283 all...
Legumes (Fabaceae, Leguminosae) are unique in their ability to carry out an elaborate endosymbiotic nitrogen fixation process with rhizobia proteobacteria. The symbiotic nitrogen fixation enables the host plants to grow almost independently of any other nitrogen source. Establishment of symbiosis requires adaptations of the host cellular metabolism, here foremost of the energy metabolism mainly...
Genome sequencing of the model legumes, Medicago truncatula and Lotus japonicus, provides an opportunity for large-scale sequence-based comparison of two genomes in the same plant family. Here we report synteny comparisons between these species, including details about chromosome relationships, large-scale synteny blocks, microsynteny within blocks, and genome regions lacking clear corresponden...
در قالب طرح بررسی زنگ های گیاهان تیره fabaceae و بر اساس مطالعه نمونه های هرباریومی و جدید جمع آوری شده گونه های زراعی و غیر زراعی یونجه و شبدر آلوده به زنگ، شش گونه uromycesبه عنوان عوامل ایجادکننده زنگ روی جنس های مذکور در ایران شناسایی و تشریح می گردند. گونه u. fallens به عنوان عضو جدیدی برای فلور زنگ های ایران معرفی می شود. گونه u. striatus به عنوان عامل اصلی زنگ روی medicago sativa و گونه...
پراکنش زیستی جنس یونجه در ایران مطالعه گردید. پراکنش گونه های چند ساله m. sativa و m. lupulina عمدتا منطبق با نواحی کوهستانی ایران است. از بین دیگر گونه های این جنس، پراکنش m. rigidula بیشترین شباهت را با گونه های قبلی در مناطق کوهستانی دارد. اغلب گونه های یونجه در مناطقی با شرایط آب و هوایی مدیترانه ای رویش دارند. مطابق این تحقیق، یک مرکز اصلی و دو مرکز فرعی تنوع زیستی برای این جنس در ایرا...
Tile drainage and surface runoff are major pathways for pollution of water resources by agricultural nutrients chemicals. Little is known, however, the amounts carbon entry into from land. This paper evaluates dissolved organic (DOC) inorganic (DIC) losses in tile a Brookston clay loam after more than half century monoculture maize ( Zea mays L.), continuous bluegrass sod Poa Pratensis maize-oa...
Context Barley grass (Hordeum spp. L.) is an annual, invasive weed of southern Australian crops and pastures, frequently associated with weight loss carcass damage in sheep due to its sharp seeds. Knowledge gaps exist regarding optimal density thresholds for effective control reduce impacts on animal production. The value integrated management (IWM) over individual options reducing barley popul...
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