Inhibition of deoxynivalenol translocation and fungal colonization in Fusarium head blight resistant wheat

1992 ◽  
Vol 70 (8) ◽  
pp. 1570-1576 ◽  
Author(s):  
C. H. A. Snijders ◽  
C. F. Krechting
Keyword(s):  
Fusarium Head Blight ◽  
Fungal Biomass ◽  
Fusarium Head Blight Resistance ◽  
Reliable Estimate ◽  
Fungal Colonization ◽  
Minor Role ◽  
Breeding Line ◽  
Resistant Line ◽  
Head Blight ◽  
Susceptible Line

Ergosterol analyses of seed samples infected with Fusarium culmorum from 22 wheat genotypes differing in resistance to Fusarium head blight indicated that visual assessment of head blight levels from a field plot gives a reliable estimate of the amount of fungal biomass. The percentage of infected spikelets was a better indication of the amount of fungal biomass present than the percentage of infected heads. This suggests that Fusarium head blight resistance in this population is mainly based on resistance to colonization and that resistance to establishment of the initial infection plays only a minor role. Plants from a susceptible and a resistant breeding line were inoculated with F. culmorum at flowering time. Four weeks after inoculation heads were selected with Fusarium-infected spikelets levels ranging from 0 to 100%. At this time only low levels of ergosterol were detected in the kernels. Eight weeks after inoculation, ergosterol concentrations in chaff and kernels were significantly higher in the susceptible line compared with the resistant breeding line. At 4 and 8 weeks after inoculation the trichothecene deoxynivalenol content of chaff and kernels was also much higher in the susceptible line than in the resistant line. The Fusarium head blight resistant line possesses resistance to hyphal invasion. It appears that deoxynivalenol is transported from the chaff to the young kernel and the pathogen then colonizes the kernel. In the resistant line deoxynivalenol translocation from chaff to kernel was inhibited and little fungal colonization occurred. It is hypothesized that this is based on a membrane-based trichothecene tolerance. Key words: wheat, Fusarium, trichothecene, resistance, ergosterol, deoxynivalenol.

scholarly journals The use of molecular markers for characterisation of spring barley for breeding to Fusarium head blight resistance

2011 ◽  
Vol 51 (No. 11) ◽  
pp. 483-490 ◽  
Author(s):  
M. Špunarová ◽  
J. Ovesná ◽  
L. Tvarůžek ◽  
L. Kučera ◽  
J. Špunar ◽  
...  
Keyword(s):  
Fusarium Head Blight ◽  
Spring Barley ◽  
Fusarium Head Blight Resistance ◽  
Malting Quality ◽  
F1 Hybrids ◽  
Malt Extract ◽  
Head Blight ◽  
Breeding Lines ◽  
Susceptible Line ◽  
Dh Lines

Fusarium head blight (FHB) is a barley disease, which occurs every year in various areas of barley cultivation all over the world and the increasing incidence has been confirmed in the Czech Republic also during the last years. We aimed to emply AFLP (Amplified fragment length polymorphism) and SSR (Single sequence repeats) markers to describe diversity among breeding lines with a sufficient level of resistance towards FHB and to find marker(s) associated with the analysed traits. The number of eight accessions including five expected resistance donors and three sensitive lines were tested in the field and laboratory. The field values and the amount of deoxynivalenol were positively correlated (r = 0.92). The laboratory test and content DON manifested also a high correlation (r = 0.73). Several DH lines developed from androgenetic barley progenies of the F1 hybrids between the susceptible line PI 383933 and resistant line PEC 210 or the susceptible line PI 383933 and resistant cultivar Chevron were found resistant towards Fusarium infection in both the field and laboratory tests. Low infestation was found at line DH 37 from combination Chevron × PI 383933 and lines DH48, DH49, DH50 and DH55 from the combination PEC 210 × PI 383933. Cluster analyses based on 68 AFLP and 18 SSR markers demonstrate a genetic relationship among parental genotypes and DH lines.Some DH lines combined a sufficient degree of resistance against FHB and extract content (basic parameters malting quality). Statistically significant differences in malt-extract values were observed between groups of the DH lines possessing and not possessing the AFLP marker CAA/AGC 341bp. The markers will be further evaluated and optionally used for MAS.

Identification of QTL Conferring Resistance to Fusarium Head Blight Resistance in the Breeding Line C93-3230-24

Crop Science ◽  
2009 ◽  
Vol 49 (5) ◽  
pp. 1675-1680 ◽  
Author(s):  
Kenneth E. Lamb ◽  
Jose L. Gonzalez-Hernandez ◽  
Bingxin Zhang ◽  
Marci Green ◽  
Stephen M. Neate ◽  
...  
Keyword(s):  
Fusarium Head Blight ◽  
Fusarium Head Blight Resistance ◽  
Blight Resistance ◽  
Breeding Line ◽  
Head Blight

Comparing Genetic Variation within Red Winter Wheat Populations with and without Image-Based Optical Sorter Selection

2019 ◽  
Vol 9 (2) ◽  
pp. 266-277
Author(s):  
Hussein M. Khaeim ◽  
Anthony Clark ◽  
Tom Pearson ◽  
Dr. David Van Sanford
Keyword(s):  
Genetic Variation ◽  
Fusarium Head Blight ◽  
Heading Date ◽  
Fusarium Head Blight Resistance ◽  
Gibberella Zeae ◽  
Mass Selection ◽  
Head Blight ◽  
Red Winter Wheat ◽  
Two Populations ◽  
Head Scab

Head scab is historically a devastating disease affecting not just all classes of wheat but also barley and other small grains around the world. Fusarium head blight (FHB), or head scab, is caused most often by Fusarium graminearum (Schwabe), (sexual stage – Gibberella zeae) although several Fusarium spp. can cause the disease. This study was conducted to determine the effect of mass selection for FHB resistance using an image-based optical sorter. lines were derived from the C0 and C2 of two populations to compare genetic variation within populations with and without sorter selection. Our overall hypothesis is that sorting grain results in improved Fusarium head blight resistance. Both of the used wheat derived line populations have genetic variation, and population 1 has more than population 17. They are significantly different from each other for fusarium damged kernel (FDK), deoxynivalenol (DON), and other FHB traits. Although both populations are suitable to be grown for bulks, population 1 seems better since it has more genetic variation as well as lower FDK and DON, and earlier heading date. Lines within each population were significantly different and some lines in each population had significantly lower FDK and DON after selection using an optical sorter. Some lines had significant reduction in both FDK and DON, and some others had either FDK or DON reduction. Lines of population 1 that had significant reduction, were more numerous than in population 17, and FDK and DON reduction were greater.

Registration of CJ 8809 Wheat Germplasm with Fusarium Head Blight Resistance

2007 ◽  
Vol 1 (1) ◽  
pp. 72-74
Author(s):  
Guo-Liang Jiang ◽  
ZhaoSu Wu ◽  
ZhaoXia Chen ◽  
JiMing Wu ◽  
QiMei Xia ◽  
...  
Keyword(s):  
Fusarium Head Blight ◽  
Fusarium Head Blight Resistance ◽  
Blight Resistance ◽  
Head Blight ◽  
Wheat Germplasm

Characterization of Fusarium Head Blight Resistance Gene Fhb1 and Its Putative Ancestor in Chinese Wheat Germplasm

2018 ◽  
Vol 44 (4) ◽  
pp. 473 ◽  
Author(s):  
Zhan-Wang ZHU ◽  
Deng-An XU ◽  
Shun-He CHENG ◽  
Chun-Bao GAO ◽  
Xian-Chun XIA ◽  
...  
Keyword(s):  
Fusarium Head Blight ◽  
Resistance Gene ◽  
Fusarium Head Blight Resistance ◽  
Blight Resistance ◽  
Head Blight ◽  
Wheat Germplasm ◽  
Chinese Wheat

scholarly journals Evaluating milling and baking quality associated with a Fusarium head blight resistance-enhancing genome deletion in wheat

2021 ◽  
Author(s):  
David F. Garvin ◽  
Linda Dykes
Keyword(s):  
Fusarium Head Blight ◽  
Spring Wheat ◽  
Fusarium Head Blight Resistance ◽  
Seed Storage ◽  
Isogenic Line ◽  
Head Blight ◽  
Hard Red Spring Wheat ◽  
Baking Quality ◽  
Wide Range ◽  
End Use

AbstractWheat (Triticum aestivum L.) breeding involves improvement of a wide range of traits. However, selection for these traits is only acceptable if the end use quality of the wheat is not compromised. In hard red spring wheat, the predominant end use of flour is bread. In this study, milling and baking quality characteristics were compared in the hard red spring wheat ‘Apogee’ and a near-isogenic line of Apogee (‘A30’) that contains a spontaneous segmental deletion of the long arm of chromosome arm 3DL that is associated with enhanced resistance to Fusarium head blight caused by the fungal pathogen Fusarium graminearum (Schwabe). Apogee and A30 were grown together in replicated greenhouse experiments, and the resultant grain was used to compare a diverse spectrum of grain characteristics and milling and baking properties of the grain in the two wheat genotypes. The major difference detected was a significant increase in protein content in A30, which had nearly 21% more flour protein than Apogee. This difference did not affect any of the flour properties or baking characteristics evaluated, suggesting that the increased protein concentrations in A30 are not associated with the principal seed storage properties associated with baking quality. These results indicate that despite the size of the deletion in A30, no key genes associated with end use quality are located on that chromosome segment. The deletion may therefore find use in efforts to enhance Fusarium head blight in hard red spring wheat.

Phytotoxicity of deoxynivalenol to wheat tissue with regard to in vitro selection for fusarium head blight resistance

Plant Science ◽  
1993 ◽  
Vol 94 (1-2) ◽  
pp. 195-206 ◽  
Author(s):  
M.B.M. Bruins ◽  
I. Karsaï ◽  
J. Schepers ◽  
C.H.A. Snijders
Keyword(s):  
Fusarium Head Blight ◽  
In Vitro Selection ◽  
Fusarium Head Blight Resistance ◽  
Blight Resistance ◽  
Head Blight ◽  
Selection For ◽  
Wheat Tissue
Sign in / Sign up

Export Citation Format

Share Document