نتایج جستجو برای: root dry weight (rdw)

تعداد نتایج: 555418  

2017
Purushothaman Ramamoorthy Krishnamurthy Lakshmanan Hari D. Upadhyaya Vincent Vadez Rajeev K. Varshney

Chickpea, the second most important legume crop, suffers major yield losses by terminal drought stress (DS). Stronger root system is known to enhance drought yields but this understanding remains controversial. To understand precisely the root traits contribution towards yield, 12 chickpea genotypes with well-known drought response were field evaluated under drought and optimal irrigation. Root...

2017
Yongzhe Ren Yingying Qian Yanhua Xu ChunQin Zou Dongcheng Liu Xueqiang Zhao Aimin Zhang Yiping Tong

Root is important in acquiring nutrients from soils. Developing marker-assisted selection for wheat root traits can help wheat breeders to select roots desirable for efficient acquisition of nutrients. A recombinant inbred line (RIL) population derived from wheat varieties Xiaoyan 54 and Jing 411 was used to detect QTLs for maximum root length and root dry weight (RDW) under control, low nitrog...

Journal: :آب و خاک 0
سحر اخوان محمود شعبانپور مسعود اصفهانی

in order to study the effect of soil compaction on root and shoot growth of wheat plants (shahriar variety), a greenhouse pot experiment was conducted in guilan university. the study design was factorial with completely randomized in three replications. treatments included three compaction levels; (normal compaction, compaction of ten percent and twenty percent) and two type of soil texture (cl...

2016
Yong Zhou Guichun Dong Yajun Tao Chen Chen Bin Yang Yue Wu Zefeng Yang Guohua Liang Baohe Wang Yulong Wang

Identification of quantitative trait loci (QTLs) associated with rice root morphology provides useful information for avoiding drought stress and maintaining yield production under the irrigation condition. In this study, a set of chromosome segment substitution lines derived from 9311 as the recipient and Nipponbare as donor, were used to analysis root morphology. By combining the resequencing...

Journal: :چغندرقند 0
نسرین یاوری مؤسسه تحقیقات چغندرقند سیدیعقوب صادقیان اعضاء هیئت علمی مؤسسه تحقیقات چغندرقند محمود مصباح اعضاء هیئت علمی مؤسسه تحقیقات چغندرقند

seeds of nine sugar beet lines: five drought tolerant, two susceptible, and two medium tolerant were washed, sterilised, dried, and sown in water agar medium for germination test. seedling growth characters such as cotyledon fresh weight (cfw), cotyledon dry weight (cdw), root fresh weight (rfw), root dry weight (rdw), and root length (rl) were determined after the end of 28 days period of expe...

Journal: :چغندرقند 0
عبدالمجید خورشید عضو هیئت علمی موسسه تحقیقات چغندرقند محمود مصباح هیئت علمی مؤسسه تحقیقات چغندرقند ذبیح اله رنجی هیئت علمی مؤسسه تحقیقات چغندرقند سعید واحدی کارشناس موسسه تحقیقات چغندرقند منصور مصباح هیئت علمی مؤسسه تحقیقات چغندرقند

phenotypic coefficient correlation is a relation criteria for traits. this coefficient can be used to differentiate insignificant traits of  varieties in selection programs. this survey was carried out with 10 breeding populations and susceptible controls in normal and stress conditions. the drought field was irrigated when plants reached wilting point. traits such as leaf length and width, pet...

Journal: :چغندرقند 0
ذبیح اله رنجی عضو هیئت علمی مؤسسه تحقیقات چغندرقند حمید شریفی کارشناس ارشد مرکز تحقیقات کشاورزی صفی آباد دزفول کریم کاظمین خواه عضو هیئت علمی مرکز تحقیقات کشاورزی آذربایجان شرقی

seeds of nine sugar beet lines: five drought tolerant, two susceptible, and two medium tolerant were washed, sterilised, dried, and sown in water agar medium for germination test. seedling growth characters such as cotyledon fresh weight (cfw), cotyledon dry weight (cdw), root fresh weight (rfw), root dry weight (rdw), and root length (rl) were determined after the end of 28 days period of expe...

structure. So, it is possible to achieve the salinity-tolerant genotype in plants through creating changes in the genetic structure and breeding activities. Tomato is in the group of plants sensitive to salinity stress. Distinct studies have been explained different indicators for tolerance to salt stress in tomato. Identifying a reliable indicator in the early stages of plant growth under salt...

Journal: :Plant science : an international journal of experimental plant biology 2006
Q-S Wu X-Y Wan N Su Z-J Cheng J-K Wang C-L Lei X Zhang L Jiang J-F Ma J-M Wan

The adequate presence of silicon (Si) in rice plants can enhance their yield and improve their tolerance to various biotic and abiotic stresses. In this study Si uptake abilities were compared between the japonica rice cultivar (cv.) Kinmaze and the indica rice cv. DV85 under three Si concentrations (0.16, 0.4, and 1.6mM) at different time points from 1 to 12h. The results showed that the pheno...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه پیام نور - دانشگاه پیام نور استان تهران - دانشکده زیست شناسی 1388

abstract chickpea is weak in competition of weeds that damages to it at between 40 t0 60 percent. kermanshah province is one of the most important region for chickpea fields in iran. for these reosons, weed management is necessary in this crop. in order to evaluate of herbicides and stubble control on broad leave weeds control in chickpea. experiment was conducted in agricultural research stat...

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