Disease reaction to Fusarium avenaceum and yield losses in narrow-leafed lupin lines

2014 ◽  
pp. 140519061827004
Author(s):  
Kan-Fa Chang ◽  
Sheau-Fang Hwang ◽  
Hafiz U. Ahmed ◽  
Stephen Strelkov ◽  
Bruce Gossen ◽  
...  
Keyword(s):  
Fusarium Avenaceum ◽  
Yield Losses ◽  
Disease Reaction

Disease reaction to Fusarium avenaceum and yield losses in narrow-leafed lupin lines

2014 ◽  
Vol 94 (7) ◽  
pp. 1211-1218 ◽  
Author(s):  
K. F. Chang ◽  
S. F. Hwang ◽  
H. U. Ahmed ◽  
S. E. Strelkov ◽  
B. D. Gossen ◽  
...  
Keyword(s):  
Seed Yield ◽  
Seedling Emergence ◽  
Field Trials ◽  
Yield Potential ◽  
Fusarium Avenaceum ◽  
Strongly Correlated ◽  
Yield Losses ◽  
Seeding Rate ◽  
Disease Reaction ◽  
The Stability

Chang, K. F., Hwang, S. F., Ahmed, H. U., Strelkov, S. E., Gossen, B. D., Turnbull, G. D. and Blade, S. F. 2014. Disease reaction to Fusarium avenaceum and yield losses in narrow-leafed lupin lines. Can. J. Plant Sci. 94: 1211–1218. Seedling blight and root rot caused by Fusarium avenaceum are important constraints to the expansion of lupin (Lupinus angustifolius) production in Alberta, Canada. The reaction of 19 narrow-leafed lupin lines to F. avenaceum was assessed in inoculated field trials in Alberta from 2006 to 2008. Although none of the lines were highly resistant to F. avenaceum, the lines F6RF, MLU-122 and MLU-318-1 had the smallest reduction in emergence and MLU-320 and MLU-324 had the smallest reduction in seed yield as a result of inoculation under field conditions. The stability analysis of yield revealed that lupin lines MLU-324, W12-W5, MLU-320 and MLU-318-1 were more stable in comparison to other lupin lines included in the study. Yield loss was not consistently associated with seedling emergence, likely because the seeding rate may have been higher than required to achieve the yield potential of these lines in Alberta. A companion field study was conducted at Lacombe, Alberta, in 2006 and Edmonton, Alberta, in 2007; seedling emergence and seed yield of the susceptible lupin cv. Arabella declined linearly with increasing levels of seed infestation, and the relationships were summarized using regression analysis. Seedling emergence and yield were strongly correlated.

scholarly journals Disease reaction to Rhizoctonia solani and yield losses in soybean

2017 ◽  
Author(s):  
Kan-Fa Chang ◽  
Sheau-Fang Hwang ◽  
Hafiz U. Ahmed ◽  
Stephen Strelkov ◽  
Michael Harding ◽  
...  
Keyword(s):  
Rhizoctonia Solani ◽  
Yield Losses ◽  
Disease Reaction

YIELD LOSSES IN WHEAT AND BARLEY CULTIVARS FROM COMMON ROOT ROT IN FIELD TESTS

1979 ◽  
Vol 59 (2) ◽  
pp. 313-320 ◽  
Author(s):  
R. D. TINLINE ◽  
R. J. LEDINGHAM
Keyword(s):  
Grain Yield ◽  
Root Rot ◽  
Field Tests ◽  
Yield Losses ◽  
Common Root ◽  
Potential Yield ◽  
Disease Reaction ◽  
Barley Cultivars ◽  
Common Root Rot ◽  
Highly Correlated

Intensity of and losses from common root rot in wheat and barley cultivars in field tests were estimated. Disease intensity was based upon the severity and prevalence of lesions on the subcrown internodes of plants. Losses were calculated relative to the potential yield of clean plants. Disease intensities and losses usually were highly correlated in wheat; the most resistant cultivars incurred the lowest losses. In barley the association was variable; some of the cultivars intermediate in disease reaction frequently showed the least reductions in yield. Differences in tolerance may account for these results. The frequent lack of a correlation between grain yield and disease is discussed.

Effects of Bacillus velezensis on Fusarium avenaceum, a causal agent of post-harvest apple fruit rot

2020 ◽  
Author(s):  
Mladen Petres ◽  
Marta Loc ◽  
Mila Grahovac ◽  
Vera Stojsin ◽  
Dragana Budakov ◽  
...  
Keyword(s):  
Apple Fruit ◽  
Causal Agent ◽  
Fruit Rot ◽  
Fusarium Avenaceum ◽  
Bacillus Velezensis ◽  
Post Harvest

scholarly journals Pre-harvest field application of enhanced freshness formulation reduces yield loss in orange

2020 ◽  
Vol 7 (1) ◽  
Author(s):  
Jaspa Samwel ◽  
Theodosy Msogoya ◽  
Abdul Kudra ◽  
Hosea Dunstan Mtui ◽  
Anna Baltazari ◽  
...  
Keyword(s):  
Yield Loss ◽  
Sweet Orange ◽  
New Technology ◽  
Significant Negative Correlation ◽  
Field Application ◽  
Yield Losses ◽  
Factorial Experiments ◽  
Marketable Yield ◽  
Pest Damage ◽  
Marketable Fruit

Abstract Background Orange (Citrus sinensis L.) production in Tanzania is constrained by several pre-harvest factors that include pests. Hexanal, sprayed as Enhanced Freshness Formulation (EFF) is a relatively new technology that has been reported to reduce pre-harvest loss in fruits. However, the effects of hexanal on pre-harvest yield loss of orange are not known. We studied the effects of hexanal as EFF on yield losses of three sweet orange cultivars namely, Early Valencia, Jaffa, and Late Valencia. Factorial experiments tested the effects of EFF concentration, variety, and time of EFF application on number of dropped fruit, percentage of non-marketable fruit and incidence of pest damage. Results Results showed significant negative correlation (p < 0.001) between EFF and the percentage of dropped fruit, non-marketable yield, and incidence of pest damage. An increase in hexanal concentration by 1%, is expected to reduce number of dropped fruit by 50, percentage of non-marketable by 35.6, and incidences of pest damage by 36.5% keeping other factors constant. Results also show significant association (p < 0.001) between time of hexanal application and non-marketable yield. Percentage of dropped fruit is expected to increase by 1 for each day away from harvest, keeping other factors constant. Conclusion Pre-harvest application of hexanal as EFF can significantly reduce number of dropped fruits, percentage of non-marketable fruit and incidence of pest damage.

Sign in / Sign up

Export Citation Format

Share Document