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Phenotyping Fusarium head blight through seed morphology characteristics using RGB imaging

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Title Phenotyping Fusarium head blight through seed morphology characteristics using RGB imaging
 
Creator Leiva, Fernanda
Zakieh, Mustafa
Alamrani, Marwan
Dhakal, Rishap
Henriksson, Tina
Singh, Pawan Kumar
Chawade, Aakash
 
Subject Fusarium
seed
wheat
 
Description Fusarium head blight (FHB) is an economically important disease affecting wheat and thus poses a major threat to wheat production. Several studies have evaluated the effectiveness of image analysis methods to predict FHB using disease-infected grains; however, few have looked at the final application, considering the relationship between cost and benefit, resolution, and accuracy. The conventional screening of FHB resistance of large-scale samples is still dependent on low-throughput visual inspections. This study aims to compare the performance of two cost–benefit seed image analysis methods, the free software “SmartGrain” and the fully automated commercially available instrument “Cgrain Value™” by assessing 16 seed morphological traits of winter wheat to predict FHB. The analysis was carried out on a seed set of FHB which was visually assessed as to the severity. The dataset is composed of 432 winter wheat genotypes that were greenhouse-inoculated. The predictions from each method, in addition to the predictions combined from the results of both methods, were compared with the disease visual scores. The results showed that Cgrain Value™ had a higher prediction accuracy of R2 = 0.52 compared with SmartGrain for which R2 = 0.30 for all morphological traits. However, the results combined from both methods showed the greatest prediction performance of R2 = 0.58. Additionally, a subpart of the morphological traits, namely, width, length, thickness, and color features, showed a higher correlation with the visual scores compared with the other traits. Overall, both methods were related to the visual scores. This study shows that these affordable imaging methods could be effective to predict FHB in seeds and enable us to distinguish minor differences in seed morphology, which could lead to a precise performance selection of disease-free seeds/grains.
 
Date 2022-10-18
2023-01-03T14:32:39Z
2023-01-03T14:32:39Z
 
Type Journal Article
 
Identifier Leiva, F., Zakieh, M., Alamrani, M., Dhakal, R., Henriksson, T., Singh, P. K., & Chawade, A. (2022). Phenotyping Fusarium head blight through seed morphology characteristics using RGB imaging. Frontiers in Plant Science, 13, 1010249. https://hdl.handle.net/10883/22302
1664-462X
https://hdl.handle.net/10568/126508
https://hdl.handle.net/10883/22302
https://doi.org/10.3389/fpls.2022.1010249
 
Language en
 
Rights CC-BY-4.0
Open Access
 
Format application/pdf
 
Publisher Frontiers Media S.A.
 
Source Frontiers in Plant Science