scholarly journals Coinoculation Effects of the Pathogens Causing Common Bacterial Blight, Rust, and Bean Common Mosaic in Phaseolus vulgaris

1990 ◽  
Vol 115 (2) ◽  
pp. 319-323 ◽  
Author(s):  
H.Z. Zaiter ◽  
D.P. Coyne ◽  
J.R. Steadman
Keyword(s):  
Phaseolus Vulgaris ◽  
Bacterial Blight ◽  
Xanthomonas Campestris ◽  
Bean Common Mosaic Virus ◽  
Host Susceptibility ◽  
Uromyces Appendiculatus ◽  
Common Bacterial Blight ◽  
Dry Bean ◽  
Screening For Resistance ◽  
Prior Infection

Ten dry bean (Phaseolus vulgaris L.) cultivars/lines with differential reactions to rust were used in growth chamber experiments to determine rust [Uromyces appendiculatus (Pers.) Unger var. appendiculutus, (U a)], and common bacterial blight Xanthomonas campestris pv. phaseoli (E.F. Sm.) Dews. (X c p)] reactions on leaves when coinoculated with both pathogens. The X c p-U a necrosis symptoms were very different from those caused by X c p alone. Depending on the level of host susceptibility to rust, the X c p reaction remained confined within the rust pustule or spread beyond the pustule area, causing a necrosis of the entire leaf. Prior infection of bean seedlings with bean common mosaic virus (BCMV), NY-15 strain, reduced rust pustule size, but did not affect the reaction to X c p. Screening with X c p and BCMV can be done at the same time during the early vegetative stage, but the interactions of U a with X c p and of BCMV with U a need to be considered in screening for resistance.

scholarly journals Sources of Resistance to Common Bacterial Blight and Rust in Elite Phaseolus vulgaris L. Germplasm

HortScience ◽  
1993 ◽  
Vol 28 (6) ◽  
pp. 644-646 ◽  
Author(s):  
E. Arnaud-Santana ◽  
M.T. Mmbaga ◽  
D.P. Coyne ◽  
J.R. Steadman
Keyword(s):  
Phaseolus Vulgaris ◽  
Common Bean ◽  
Bacterial Blight ◽  
Xanthomonas Campestris ◽  
Uromyces Appendiculatus ◽  
Common Bacterial Blight ◽  
Phaseolus Vulgaris L ◽  
Sources Of Resistance ◽  
The Common

We studied leaf and pod reactions of 18 Phaseolus vulgaris germplasm lines (three temperate and 15 tropical) to four Xanthomonas campestris pv. phaseoli (XCP) (Smith) Dye strains and seven Uromyces appendiculatus (UA) (Pers.) Unger races. Line × XCP interaction was significant for leaf and pod reactions. The common bean lines XAN-159, BAC-6, and XAN-112 had the best combined leaf and pod resistance to XCP. Line × UA race interactions were significant (P = 0.05). Lines IAPAR-14 and BAC-6 had the best combined resistance to XCP and UA.

scholarly journals Combining ability for common bacterial blight resistance in snap and dry bean (Phaseolus vulgaris L.)

2014 ◽  
Vol 37 (1) ◽  
pp. 37 ◽  
Author(s):  
Roberto Dos Santos Trindade ◽  
Rosana Rodrigues ◽  
Antonio Teixeira do Amaral Junior ◽  
Leandro Simões Azeredo Gonçalves ◽  
José Marcelo Soriano Viana ◽  
...  
Keyword(s):  
Phaseolus Vulgaris ◽  
Combining Ability ◽  
Bacterial Blight ◽  
Blight Resistance ◽  
Common Bacterial Blight ◽  
Bacterial Blight Resistance ◽  
Dry Bean

scholarly journals Field Reaction of Landrace Components of Red Mottled Beans to Common Bacterial Blight

HortScience ◽  
1992 ◽  
Vol 27 (1) ◽  
pp. 50-51 ◽  
Author(s):  
James S. Beaver ◽  
James R. Steadman ◽  
Dermot P. Coyne
Keyword(s):  
Puerto Rico ◽  
Phaseolus Vulgaris ◽  
Bacterial Blight ◽  
Xanthomonas Campestris ◽  
Field Experiments ◽  
Common Bacterial Blight ◽  
Sources Of Resistance ◽  
Growing Seasons ◽  
Field Reaction ◽  
The Mean

Field reaction of 25 red mottled bean (Phaseolus vulgaris L.) genotypes to common bacterial blight [Xanthomonas campestris pv. phaseoli (Smith) Dye] was evaluated in Puerto Rico over 2 years. The average disease severity (percent leaf area with symptoms) was similar over years. The determinate red mottled genotypes had almost twice as much disease as indeterminate genotypes. Eight of the indeterminate genotypes had significantly less disease than the mean of the field experiments. These genotypes may serve as useful sources of resistance to common bacterial blight. The size of the chlorotic zone around necrotic lesions varied between growing seasons, showing that environment can influence the expression of common bacterial blight symptoms.

scholarly journals Resistance to Common Bacterial Blight of Bean Introgressed from Phaseolus coccineus

HortScience ◽  
2001 ◽  
Vol 36 (4) ◽  
pp. 750-751 ◽  
Author(s):  
M.M. Welsh ◽  
K.F. Grafton
Keyword(s):  
Resistance Genes ◽  
Bacterial Blight ◽  
Xanthomonas Campestris ◽  
Recessive Gene ◽  
Bacterial Disease ◽  
Symptom Expression ◽  
Common Bacterial Blight ◽  
Bacterial Blight Resistance ◽  
Dry Bean ◽  
Disease Reaction

Common bacterial blight, incited by Xanthomonas campestris pv. phaseoli (Smith) Dye, is a major bacterial disease of dry bean (Phaseolus vulgaris L.). Resistance to common bacterial blight has been identified in other Phaseolus species and resistance genes have been introgressed into P. vulgaris. The objective of this study was to characterize in dry bean the inheritance pattern of common bacterial blight-resistance genes derived from P. coccineus. Two common, bacterial blight-susceptible, dry bean cultivars were crossed with different common, bacterial blight-resistant dry bean lines with resistance derived from P. coccineus. F2 progeny were inoculated with Xanthomonas campestris pv. phaseoli strain F19-W and were scored for disease reaction. The ratio of resistant to susceptible plants for F2 populations did not differ significantly from a 1 resistant: 3 susceptible ratio. The F3 segregation was obtained for only one cross and did not differ significantly from a 1 resistant: 2 heterozygous: 1 susceptible ratio, suggesting that the resistance introgressed from P. coccineus into dry bean was controlled by one recessive gene. Additionally, the range of symptom expression within the susceptible class provided evidence of other genes modifying the expression of resistance.

AC Scarlet dry bean

2001 ◽  
Vol 81 (4) ◽  
pp. 731-732
Author(s):  
Hans-Henning Mündel ◽  
Ferdinand A. Kiehn ◽  
Gilles Saindon ◽  
Henry C. Huang
Keyword(s):  
Phaseolus Vulgaris ◽  
Key Words ◽  
Bacterial Blight ◽  
White Mold ◽  
High Yield ◽  
Common Bacterial Blight ◽  
Phaseolus Vulgaris L ◽  
Canadian Prairies ◽  
Dry Bean ◽  
Red Bean

AC Scarlet is a high-yielding small red dry bean (Phaseolus vulgaris L.) cultivar. AC Scarlet is well adapted to the eastern Canadian prairies and yielded significantly more than the check cultivar NW 63. AC Scarlet is susceptible to white mold and susceptible to common bacterial blight. Key words: Phaseolus vulgaris, small red bean, high yield

OAC Rex common bean

2006 ◽  
Vol 86 (3) ◽  
pp. 733-736 ◽  
Author(s):  
T. E. Michaels ◽  
T. H. Smith ◽  
J. Larsen ◽  
A. D. Beattie ◽  
K. P. Pauls
Keyword(s):  
Phaseolus Vulgaris ◽  
Common Bean ◽  
Bacterial Blight ◽  
Bean Common Mosaic Virus ◽  
Yield Potential ◽  
Common Bacterial Blight ◽  
Phaseolus Vulgaris L ◽  
White Bean ◽  
Cultivar Description ◽  
Narrow Row

OAC Rex is an upright indeterminate bush white bean (Phaseolus vulgaris L.) cultivar intended for use in areas with greater than 2800 crop heat units. It has good yield potential in either wide or narrow row production. It is resistant to races 1 and 15 of bean common mosaic virus and is the first common bean cultivar resistant to common bacterial blight (Xanthomonas axonopodis pv. phaseoli) in Ontario. Seed has acceptable cooking and canning quality. Key words: Phaseolus vulgaris L., white bean, common bean, common bacterial blight, cultivar description

scholarly journals Inheritance of Resistance to Common Bacterial Blight in Tepary Beans

HortScience ◽  
1995 ◽  
Vol 30 (4) ◽  
pp. 839F-840
Author(s):  
A. Dursun ◽  
D.P. Coyne ◽  
M.F. Mohamed ◽  
G. Jung
Keyword(s):  
Phaseolus Vulgaris ◽  
Bacterial Blight ◽  
Xanthomonas Campestris ◽  
Transgressive Segregation ◽  
Inheritance Of Resistance ◽  
Common Bacterial Blight ◽  
Common Beans ◽  
Serious Disease ◽  
Different Strains ◽  
Dominant Genes

Common bacterial blight, incited by the bacterium Xanthomonas campestris pv. phaseoli (Xcp), is a serious disease of common beans [Phaseolus vulgaris (P. v.)]. Some tepary beans (P. acutifolius) are resistant (R) to Xcp and used to breed P. v. with R to Xcp. The objective was to determine the inheritance of the reaction to different strains of Xcp in crosses between susceptible (S) and R tepary lines. The parents, F2, and F3 populations from six tepary crosses involving 3 R × S, 1 R × moderately (M) R, and 2 R × R were inoculated with Xcp strains EK-11, LB-2, and SC-4A. Different single dominant genes controlled the reaction to different Xcp isolates in R × S crosses. Coupling linkage was detected between the genes controlling the reactions to each of the Xcp strains in the crosses NE #4B(s) × NE #19(R) and NE #4B(S) × CIAT-640005(R), except for NE #8A(MR) × NE #4B(S) with strains EK-11 and LB-2 and EK-11 and SC-4A. Transgressive segregation for S was observed in the F2 and F3 NE #8A × NE #8B(R), indicating that the parents possessed different genes for R. No segregation for reactions occurred n the F2 NE #8B × NE #19 and NE #19 × CIAT-640005, indicating that these parents possessed the same genes for R to the three strains.

The performance of dry bean cultivars with and without common bacterial blight resistance in field studies across Canada

2009 ◽  
Vol 89 (2) ◽  
pp. 405-410 ◽  
Author(s):  
C. L. Gillard ◽  
R. L. Conner ◽  
R. J. Howard ◽  
K. P. Pauls ◽  
L. Shaw ◽  
...  
Keyword(s):  
Phaseolus Vulgaris ◽  
Bacterial Blight ◽  
Genetic Resistance ◽  
Field Studies ◽  
Common Bacterial Blight ◽  
Dry Bean ◽  
Leaf Disease ◽  
Disease Pressure ◽  
The Impact ◽  
Significant Disease

Common bacterial blight (CBB) is a serious seed-borne disease in dry beans (Phaseolus vulgaris). Plant breeders have focused on genetic resistance to control this disease, and this led to the release of the first resistant cultivar (OAC Rex) in 2002. In 2003 and 2004, field studies were conducted at six sites across Canada to measure the impact of CBB resistance on dry bean seed yield. Two resistant and four susceptible cultivars were evaluated in noninoculated and inoculated experiments at each site. In the noninoculated experiments, the CBB incidence was very low and there were no treatment differences for measurements of leaf disease. Significant disease pressure occurred in the inoculated experiments at 7 of 12 site-years. Both resistant cultivars usually had less leaf disease than the susceptible cultivars. Yield comparisons between the inoculated and noninoculated experiments were conducted using a yield index calculation to estimate the impact of CBB on the yield of the cultivar. OAC Rex and HR67 had a mean yield advantage of 23.1 and 13.8%, respectively, compared with the mean of the four susceptible cultivars. This is similar to the yield advantage previously reported in the literature. Key words: Dry bean, Phaseolus vulgaris, Xanthomonas axonopodis pv. phaseoli, resistance, yield

scholarly journals HERITABILITIES OF SEED TRANSMISSION AND LEAF AND POD REACTION TO COMMON BLIGHT, LEAF REACTION TO WEB BLIGHT, PLANT ARCHITECTURE, AND THEIR ASSOCIATIONS IN DRY BEANS (PHASEOLUS VULGARIS)

HortScience ◽  
1992 ◽  
Vol 27 (6) ◽  
pp. 597c-597
Author(s):  
E. Arnaud-Santana ◽  
D.P. Coyne ◽  
J.R. Steadman ◽  
A.K. Vidaver ◽  
K.M. Eskridge ◽  
...  
Keyword(s):  
Phaseolus Vulgaris ◽  
Dominican Republic ◽  
Bacterial Blight ◽  
Xanthomonas Campestris ◽  
Plant Architecture ◽  
Seed Transmission ◽  
Quantitative Inheritance ◽  
Common Bacterial Blight ◽  
Thanatephorus Cucumeris ◽  
Web Blight

Heritabilities (H) of seed transmission and leaf and pod reactions to common bacterial blight (CBB) Xanthomonas campestris pv. phaseoli (Xcp) and to web blight (WB) Thanatephorus cucumeris (Tc) were studied. The reaction to CBB was quantitatively inherited. H values of .36, .46, and .34 for leaf reaction, .14, .12, and .27 for pod reaction, .53, .26, and .36 for seed transmission were estimated based on variation of F6 lines derived from bean crosses 'PC-50' × XAN-159, 'PC-50'× BAC-6, and 'Venezuela 44' × BAC-6 (greenhouse, NE). No significant correlations were detected between leaf and pod reactions or between pod reaction and seed transmission. Quantitative inheritance patterns were observed for leaf reactions to Xcp, Tc, and architecture (AR) in F6lines from the cross BAC-6 × HT 7719 (field, Dominican Republic). H values of .23 (CBB), .14 (WB), and .30 (AR) were obtained. No significant correlations were detected between CBB with WB or AR. A low correlation (+.22) was found between WB and AR.

scholarly journals A Radiation-induced Mutant with Resistance to Common Bacterial Blight Disease in Common Beans

HortScience ◽  
1995 ◽  
Vol 30 (3) ◽  
pp. 577-578 ◽  
Author(s):  
Mohamed F. Mohamed ◽  
Dermot P. Coyne ◽  
Paul E. Read
Keyword(s):  
Phaseolus Vulgaris ◽  
Dominican Republic ◽  
Bacterial Blight ◽  
Xanthomonas Campestris ◽  
Common Bacterial Blight ◽  
Common Beans ◽  
Radiation Induced ◽  
Bacterial Blight Disease ◽  
Blight Disease ◽  
Induced Mutant

The leaf reaction of the Phaseolus vulgaris L. germplasm—UNECA (M6 mutant derived from the cultivar Chimbolito, Costa Rica), `Chimbolito', BAC-6 (Brazil), XAN-159 (Centro Internacional de Agricultura Tropical, Cali, Colombia), and `PC-50' (Domican Republic)—to Xanthomonas campestris pv. phaseoli strain V4S1 (Dominican Republic) were determined in two replicated trials conducted in a greenhouse in Lincoln, Neb. (Feb.–Mar. and July–Aug. 1993). `PC-50' and `Chimbolito' were susceptible to Xcp strain V4S1 in both tests. UNECA, BAC-6, and XAN-159 had similar levels of resistance to Xcp in the July to August trial. However, in the February to March trial, the resistance of UNECA was greater than that of BAC-6 but less than that of XAN-159.

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