Connected populations for detecting quantitative resistance factors to phoma stem canker in oilseed rape (Brassica napus L.)

2015 ◽  
Vol 35 (8) ◽  
Author(s):  
C. Jestin ◽  
N. Bardol ◽  
M. Lodé ◽  
P. Duffé ◽  
C. Domin ◽  
...  
Keyword(s):  
Brassica Napus ◽  
Oilseed Rape ◽  
Quantitative Resistance ◽  
Stem Canker ◽  
Brassica Napus L ◽  
Phoma Stem Canker ◽  
Resistance Factors ◽  
Connected Populations

Association mapping of quantitative resistance for Leptosphaeria maculans in oilseed rape (Brassica napus L.)

2010 ◽  
Vol 27 (3) ◽  
pp. 271-287 ◽  
Author(s):  
C. Jestin ◽  
M. Lodé ◽  
P. Vallée ◽  
C. Domin ◽  
C. Falentin ◽  
...  
Keyword(s):  
Brassica Napus ◽  
Association Mapping ◽  
Oilseed Rape ◽  
Quantitative Resistance ◽  
Leptosphaeria Maculans ◽  
Brassica Napus L

scholarly journals Warm and Wet Autumns Favour Yield Losses of Oilseed Rape Caused by Phoma Stem Canker

Agronomy ◽  
2021 ◽  
Vol 11 (6) ◽  
pp. 1171
Author(s):  
Andrzej Brachaczek ◽  
Joanna Kaczmarek ◽  
Malgorzata Jedryczka
Keyword(s):  
Oilseed Rape ◽  
Seed Yield ◽  
Field Experiments ◽  
Yield Loss ◽  
Stem Canker ◽  
Fungal Species ◽  
Growth Stages ◽  
Brassica Napus L ◽  
Phoma Stem Canker ◽  
Plant Growth Stages

Winter oilseed rape (Brassica napus L.) is the main source of domestic oil in central and northern Europe, bringing profits to farmers, but the plants are often damaged by stem canker, caused by two fungal species belonging to the genus Leptosphaeria. Due to environmental concerns, the benefits of fungicide applications must outweigh disadvantages. The aim of this work was to determine the effect of stem canker on seed yield and its quality and find out the best timing of fungicide application. The multi-year field experiments were done at two sites in south-west Poland, where the disease is regarded as a serious problem. The fungicide treatments with the azole-containing preparation followed the same scheme each year; a single application was made at one-week intervals, starting in late September through mid-November for a total of eight treatments. Seed yield, oil and protein content, mass of thousand seeds as well as indole-and alkenyl-glucosinolate contents in seeds were statistically unrelated with the incidence and severity of phoma leaf spotting and stem canker symptoms. The significant decrease of the seed yield was observed in three (site × year combinations) of eight, in which phoma leaf spotting and stem canker were severe. Yield loss was noted only in years with warm and wet autumns, when cumulative mean temperatures between BBCH14 and BBCH19 plant growth stages exceeded 60 °C and precipitation in this period exceeded 110 mm of rain. Under these conditions, fungicide treatments were highly effective when they were done between BBCH15–BBC16 growth stages (5–6 true leaves).

scholarly journals Quantitative resistance to symptomless growth ofLeptosphaeria maculans(phoma stem canker) inBrassica napus(oilseed rape)

2009 ◽  
Vol 58 (2) ◽  
pp. 314-323 ◽  
Author(s):  
Y. J. Huang ◽  
E. J. Pirie ◽  
N. Evans ◽  
R. Delourme ◽  
G. J. King ◽  
...  
Keyword(s):  
Oilseed Rape ◽  
Quantitative Resistance ◽  
Stem Canker ◽  
Phoma Stem Canker
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