scholarly journals Effect of Grain Size on The Root System Architecture of Bread Wheat (Triticum aestivum L.)

2020 ◽  
Author(s):  
Harun BEKTAŞ ◽  
John WAINES
Keyword(s):  
Triticum Aestivum ◽  
Grain Size ◽  
Root System ◽  
Bread Wheat ◽  
System Architecture ◽  
Triticum Aestivum L ◽  
Root System Architecture

Quantifying the response of wheat (Triticum aestivum L) root system architecture to phosphorus in an Oxisol

2014 ◽  
Vol 385 (1-2) ◽  
pp. 303-310 ◽  
Author(s):  
Richard J. Flavel ◽  
Christopher N. Guppy ◽  
Matthew K. Tighe ◽  
Michelle Watt ◽  
Iain M. Young
Keyword(s):  
Triticum Aestivum ◽  
Root System ◽  
System Architecture ◽  
Triticum Aestivum L ◽  
Root System Architecture

scholarly journals Root System Architecture Plasticity of Bread Wheat in Response to Oxidative Burst under Extended Osmotic Stress

Plants ◽  
2021 ◽  
Vol 10 (5) ◽  
pp. 939
Author(s):  
Omar Azab ◽  
Abdullah Al-Doss ◽  
Thobayet Alshahrani ◽  
Salah El-Hendawy ◽  
Adel M. Zakri ◽  
...  
Keyword(s):  
Oxidative Stress ◽  
Membrane Potential ◽  
Osmotic Stress ◽  
Root System ◽  
Bread Wheat ◽  
System Architecture ◽  
Mitochondrial Membrane ◽  
Root System Architecture ◽  
Root Tips ◽  
Scavenging Capacity

There is a demand for an increase in crop production because of the growing population, but water shortage hinders the expansion of wheat cultivation, one of the most important crops worldwide. Polyethylene glycol (PEG) was used to mimic drought stress due to its high osmotic potentials generated in plants subjected to it. This study aimed to determine the root system architecture (RSA) plasticity of eight bread wheat genotypes under osmotic stress in relation to the oxidative status and mitochondrial membrane potential of their root tips. Osmotic stress application resulted in differences in the RSA between the eight genotypes, where genotypes were divided into adapted genotypes that have non-significant decreased values in lateral roots number (LRN) and total root length (TRL), while non-adapted genotypes have a significant decrease in LRN, TRL, root volume (RV), and root surface area (SA). Accumulation of intracellular ROS formation in root tips and elongation zone was observed in the non-adapted genotypes due to PEG-induced oxidative stress. Mitochondrial membrane potential (∆Ψm) was measured for both stress and non-stress treatments in the eight genotypes as a biomarker for programmed cell death as a result of induced osmotic stress, in correlation with RSA traits. PEG treatment increased scavenging capacity of the genotypes from 1.4-fold in the sensitive genotype Gemmiza 7 to 14.3-fold in the adapted genotype Sakha 94. The adapted genotypes showed greater root trait values, ∆Ψm plasticity correlated with high scavenging capacity, and less ROS accumulation in the root tissue, while the non-adapted genotypes showed little scavenging capacity in both treatments, accompanied by mitochondrial membrane permeability, suggesting mitochondrial dysfunction as a result of oxidative stress.

scholarly journals The effect of tillage depth and traffic management on soil properties and root development during two growth stages of winter wheat (Triticum aestivum L.)

2021 ◽  
Author(s):  
David Hobson ◽  
Mary Harty ◽  
Saoirse Tracy ◽  
Kevin McDonnell
Keyword(s):  
Triticum Aestivum ◽  
Root Development ◽  
System Architecture ◽  
Traffic Management ◽  
Soil Structure ◽  
Triticum Aestivum L ◽  
Root System Architecture ◽  
Growth Stages ◽  
Zero Tillage ◽  
Tillage Systems

Abstract. The management of agricultural soils during crop establishment can affect root development by changes to soil structure. This paper assesses the influence of tillage depth (250 mm, 100 mm & zero) and traffic management (conventional tyre pressure, low tyre pressure & no traffic) on wheat root system architecture during winter wheat (Triticum aestivum L.) tillering and flowering growth stages (GS) on a long-term tillage trial site. The study revealed that zero-tillage systems increased crop yield through significantly greater root biomass, root length density and deeper seminal rooting analysed using X-ray Computed Tomography (CT). In general, conventional pressure trafficking had a significant negative influence on crop yield, root development, bulk density and total soil porosity of deep and shallow tillage conventional pressure systems compared no traffic zero and deep tillage systems. Visual improvements in soil structure under zero tillage may have improved crop rooting in zero tillage treatments through vertical pore fissures (biopores), enhancing water uptake during the crop flowering period. This study highlights the implications of soil structural damage on root system architecture created by compaction in crop production. The constricted root systems found in conventional pressure shallow tillage, zero and deep tillage trafficked regimes emphasizes the importance of using technology to improve soil management and reduce the trafficked areas of agricultural fields.

scholarly journals The effect of various NaCl concentrations on morphophysiological properties of bread wheat sprouts (Triticum aestivum L.)

2018 ◽  
Vol 23 ◽  
pp. 176-181
Author(s):  
F. I. Gasimova ◽  
M. A. Khanishova ◽  
K. R. Taghiyeva ◽  
I. V. Azizov
Keyword(s):  
Triticum Aestivum ◽  
Root System ◽  
Bread Wheat ◽  
Triticum Aestivum L ◽  
Germination Percentage ◽  
Wheat Varieties ◽  
Germination Energy ◽  
Physiological Indices ◽  
Growth Of Seedlings ◽  
Wheat Seeds

Aim. The effects of various NaCl concentrations on germination energy, germination percentage of seeds and morpho-physiological indices of seedlings have been determined in bread wheat (Triticum aestivum L.) varieties. Methods. Wheat seeds were germinated at 0, 100, 150, 200 mM concentrations of NaCl using the roll method. Rezults. The delay of the growth of seedlings and root system was observed with increasing salt concentrations in all samples. The effect of various salt concentrations on separate varieties was diifferent. Conclusions. The highest indices of the development of coleoptiles and root system and the highest amount of chlorophyll were detected at 150 and 200 mM concentrations of NaCl in the Mirbashir-128 variety. The Bezostaya and Nurlu-99 varieties manifested medium tolerance, while the Sheki-1 variety was relatively less tolerant. Keywords: NaCl, wheat varieties, germination energy, germination percentage, chlorophyll.

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