scholarly journals The occurrence of fungi on roots and stem bases of common wheat (Triticum aestivum ssp. vulgare L.) and durum wheat (Triticum durum Desf.) grown under two levels of chemical protection

2012 ◽  
Vol 64 (3) ◽  
pp. 93-102
Author(s):  
Irena Kiecana ◽  
Leszek Rachoń ◽  
Elżbieta Mielniczuk ◽  
Grzegorz Szumiło
Keyword(s):  
Durum Wheat ◽  
Common Wheat ◽  
Triticum Durum ◽  
Experimental Treatment ◽  
Bipolaris Sorokiniana ◽  
Wheat Roots ◽  
Chemical Protection ◽  
The Mean ◽  
Triticum Durum Desf ◽  
The University

Investigations were carried out in 2007-2009 on the plots of the Felin Experimental Station belonging to the University of Life Science in Lublin. The studies comprised two cultivation lines of durum wheat (<i>Triticum durum</i> L.): STH 716 and STH 717, as well as the 'Tonacja' cultivar of common wheat (<i>T. aestivum</i> ssp. <i>vulgare</i> L.). Two levels of chemical protection were applied in the cultivation: minimal and complex protection. Infection of wheat roots and stem bases was recorded in each growing season at hard dough stage (87 in Tottman's scale, 1987). After three years of study, the mean disease indexes for the analyzed wheat genotypes in the experimental treatment with minimal protection were 31.13, 30.43 and 38.83 for, respectively, the 'Tonacja' cultivar and the cultivation lines of <i>T. durum</i> STH 716 and STH 717. In the experimental combination with complex protection, after three years of study the disease indexes ranged from 25.26 (<i>T. durum</i> STH 716) to 30.83 (<i>T. durum</i> STH 717). The results of mycological analysis of diseased plants showed that <i>Fusarium</i> spp., especially <i>F. culmorum</i>, <i>F. avenaceum</i> as well as <i>Bipolaris sorokiniana</i> and <i>Rhizoctonia solani</i>, caused root rot and necrosis of wheat stem bases. The analyzed chemical protection levels did not significantly influence grain yield of the investigated genotypes of <i>T. aestivum</i> and <i>T. durum</i>.

scholarly journals The occurrence of fungi on roots and stem bases of Triticum aestivum ssp. spelta L. Thell. grown under two levels of chemical protection and harmfulness of Fusarium graminearum Schwabe to seedlings of selected genotypes

2016 ◽  
Vol 69 (3) ◽  
Author(s):  
Małgorzata Cegiełko ◽  
Irena Kiecana ◽  
Leszek Rachoń ◽  
Alina Pastucha ◽  
Marcin Wit ◽  
...  
Keyword(s):  
Triticum Aestivum ◽  
Fusarium Graminearum ◽  
Root Rot ◽  
Experimental Treatment ◽  
Bipolaris Sorokiniana ◽  
Wheat Roots ◽  
Mean Values ◽  
Spelt Wheat ◽  
Chemical Protection ◽  
The Mean

Investigations were carried out in 2007–2009 on the plots of the Felin Experimental Station belonging to the University of Life Sciences in Lublin, Poland. The studies comprised two breeding lines of spelt wheat (<em>Triticum aestivum</em> ssp. <em>spelta</em> L. Thell.) – STH 3 and STH 715. Two levels of chemical protection were applied in the cultivation with minimal and complex protection. Infection of winter spelt wheat roots and stem bases was recorded in each growing season at hard dough stage (87 in Zadok’s scale). After 3 years of the study, the mean values of disease indexes for the analyzed spelt wheat lines in the experimental treatment with minimal protection were 28.53 and 40.30 respectively for STH 3 and STH 715. In the experimental combination with complex protection, after 3 years of the study the mean values of disease indexes ranged from 25.96 (STH 3) to 26.90 (STH 715). The mycological analysis showed that <em>Fusarium</em> spp., especially <em>F. culmorum</em>, caused root rot and necrosis of stem bases of spelt wheat in the experimental combination with minimal and complex protection. Moreover, <em>Fusarium avenaceum</em> and <em>Bipolaris sorokiniana</em> caused root rot and necrosis of stem bases of spelt wheat. Investigation carried out in a growth chamber on susceptibility of seedlings of three lines of spelt wheat (LO 2/09/n/2, LO 5/09/13/3, LO 5/09/5/4) to infection with <em>Fusarium graminearum</em> No. 8 and <em>F. graminearum</em> No. 45 showed that the genotypes did not differ in their susceptibility. All of them were susceptible, as indicated by high values of the disease indexes. No interaction was found between genotypes and strains of the fungus. This indicates the differential pathogenicity of <em>Fusarium graminearum</em> species.

scholarly journals Does Deficit Irrigation Affect the Relation between Radiation Interception and Water Consumption for Durum Wheat (Triticum durum Desf)?

2015 ◽  
Vol 5 (2) ◽  
pp. 36
Author(s):  
Mourad Rezig ◽  
Hatem Cheikh M'hamed ◽  
Mbarek Ben Naceur
Keyword(s):  
Durum Wheat ◽  
Water Consumption ◽  
Triticum Durum ◽  
Deficit Irrigation ◽  
Irrigation Amount ◽  
Radiation Interception ◽  
Growing Seasons ◽  
Use Efficiency ◽  
Triticum Durum Desf ◽  
Radiation Use

<p class="4Body">Total Dray Matter (TDM), Photosynthetically Active Radiation Intercepted (PARabs), Water Consumption (WC), Water use- (WUE), Radiation use efficiency (RUE) and the Relation between Radiation Interception and Water Consumption for Durum Wheat were investigate under different irrigation amount (D<sub>1</sub>= 100 % ETc; D<sub>2</sub>= 70 % ETc; D<sub>3</sub>= 40 % ETc and D<sub>4</sub>= pluvial) and during three growing seasons (2005-2006, 2006-2007 and 2007-2008). Results showed that, the cumulative PARabs decreased with deficit irrigation. In fact, D<sub>1</sub> treatment recorded the highest cumulative PAR abs and the lowest marked under D<sub>4</sub> treatment. Similarly, TDM and RUE were decreased with deficit irrigation. The highest RUE observed under the D<sub>1</sub> (from 1.32 to 1.43 g MJ<sup>-1</sup>) and the lowest under D<sub>4</sub> (from 1.17 to 1.29 g MJ<sup>-1</sup>). However WUE increased with deficit irrigation. The highest WUE were obtained under the D<sub>4</sub> (from 3 to 4 kg m<sup>-3</sup>) and the lowest were observed under D<sub>1</sub> (from 2.8 to 3.1 kg m<sup>-3</sup>). Significant linear relationship was found between cumulative PAR abs and cumulative water consumption with a high correlation coefficient (R<sup>2</sup>) only under the two treatments D<sub>1</sub> and D<sub>2</sub>.</p>

Global diversity of durum wheat Triticum durum Desf. for alleles of gliadin-coding loci

2010 ◽  
Vol 46 (1) ◽  
pp. 43-49 ◽  
Author(s):  
N. V. Melnikova ◽  
O. P. Mitrofanova ◽  
O. A. Liapounova ◽  
A. M. Kudryavtsev
Keyword(s):  
Durum Wheat ◽  
Triticum Durum ◽  
Global Diversity ◽  
Triticum Durum Desf
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