scholarly journals Effects of seed infection and hydration on the buildup of common bacterial blight and its impact on the yield of dry beans

2020 ◽  
Author(s):  
Robert Conner ◽  
Kenneth B. McRae ◽  
Sheau-Fang Hwang ◽  
Stephen Strelkov ◽  
Steven Sager ◽  
...  
Keyword(s):  
Yield Components ◽  
Bacterial Blight ◽  
Seed Treatment ◽  
Common Bacterial Blight ◽  
Dry Beans ◽  
Dry Bean ◽  
Resistant Lines ◽  
Leaf Infection ◽  
Clean Seed ◽  
Diseased Seed

Common bacterial blight (CBB), caused by Xanthomonas axonopodis pv. phaseoli (Xap), is a serious foliar disease of dry bean (Phaseolus vulgaris). A four-year field study examined the effects of different sources of infection and seed hydration on CBB development, yield components and yield in seven resistant or susceptible dry bean lines and cultivars. The five agronomic treatments examined included clean seed, diseased seed, hydrated diseased seed, clean seed with a Xap spray and diseased seed with a Xap spray. Disease development, the yield components and yield were strongly influenced by weather conditions. In comparison with the diseased-seed treatment, the use of clean (disease-free) seed reduced the incidence of CBB leaf infection in the susceptible dry bean cultivars, but no similar benefit was observed in the resistant lines and cultivars. During the three dry growing seasons, the seed hydration treatment increased the incidence of CBB leaf infection compared with the diseased-seed treatment for the susceptible cultivars, but not for the resistant lines and cultivars. In the wet growing season, no significant difference in the incidence of leaf infection was observed between the hydrated seed and diseased-seed treatments in any of the cultivars, possibly because the wet soil conditions promoted pathogen development within the bean plants that year. Seed hydration did not improve seed yield in the dry years, but sometimes decreased it under wet conditions. Therefore, seed hydration cannot be recommended for use in the production of dry beans.

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 Impact of common bacterial blight on the yield, seed weight and seed discoloration of different market classes of dry beans (Phaseolus vulgaris L.)

2015 ◽  
Vol 95 (4) ◽  
pp. 703-710 ◽  
Author(s):  
J. G. Boersma ◽  
A. Hou ◽  
C. L. Gillard ◽  
K. B. McRae ◽  
R. L. Conner
Keyword(s):  
Phaseolus Vulgaris ◽  
Seed Weight ◽  
Bacterial Blight ◽  
Common Bacterial Blight ◽  
Yield Losses ◽  
Dry Beans ◽  
Phaseolus Vulgaris L ◽  
Navy Bean ◽  
Navy Beans ◽  
The Impact

Boersma, J. G., Hou, A., Gillard, C. L., McRae, K. B. and Conner, R. L. 2015. Impact of common bacterial blight on the yield, seed weight and seed discoloration of different market classes of dry beans (Phaseolus vulgaris L.). Can. J. Plant Sci. 95: 703–710. Common bacterial blight (CBB) is a seed-borne disease of dry bean (Phaseolus vulgaris L.), causing significant economic loss to growers due to reductions in seed yield and quality and the need to annually purchase disease-free seed. Over the past decade a number of breeding lines and cultivars with resistance to CBB have been developed in several bean market classes including navy, black and cranberry beans. A comparison of three susceptible navy bean cultivars and seven resistant navy, three black and one cranberry bean entries in Manitoba revealed that most resistant navy and black bean lines had significantly reduced the incidence of leaf symptoms and their mean yield losses were reduced to less than 17%, while those of the susceptible lines were as high as 36% under severe disease pressure. Only the weakly resistant navy bean cultivar HR67 and the cranberry bean line F4GR1 failed to substantially reduce CBB symptoms or show a yield advantage. The Simple Sequence Repeat (SSR) marker PVctt001 in combination with Sequence Characterized Amplified Region (SCAR) marker SU91 was associated with a low incidence of CBB symptoms and a reduced yield loss in five navy bean lines, but not in the cranberry bean line F4GR1. Disease symptoms on the pods in the resistant black and navy beans and seed discoloration of navy beans caused by CBB were also significantly reduced by resistance. Seed weights were reduced by 2.1–4.7% in the susceptible cultivars, but there was only a slight or no decrease or no effect on the seed weight of the CBB-resistant lines and cultivars. Generally the magnitude of the reductions in yield was much greater than the impact on seed weight, which suggests that yield losses were caused by a combination of reduced seed weight and the number of seeds per plant.

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

Registration of Four Dry Bean Germplasms Resistant to Common Bacterial Blight: ICB‐3, ICB‐6, ICB‐8, and ICB‐10

Crop Science ◽  
1999 ◽  
Vol 39 (2) ◽  
pp. 594-594 ◽  
Author(s):  
P. N. Miklas ◽  
M. Zapata ◽  
J. S. Beaver ◽  
K. F. Grafton
Keyword(s):  
Bacterial Blight ◽  
Common Bacterial Blight ◽  
Dry Bean

New sources of nonspecific resistance to rust and common bacterial blight in dry bean landrace Pompadour

Euphytica ◽  
1992 ◽  
Vol 61 (2) ◽  
pp. 135-144 ◽  
Author(s):  
Margaret T. Mmbaga ◽  
Eladio Arnaud-Santana ◽  
James R. Steadman ◽  
Dermot P. Coyne
Keyword(s):  
Bacterial Blight ◽  
Common Bacterial Blight ◽  
Nonspecific Resistance ◽  
Dry Bean

Effects of different irrigation regimes on the yield and yield components of dry bean (Phaseolus vulgaris)

2005 ◽  
Vol 52 (4) ◽  
pp. 381-389 ◽  
Author(s):  
M. Işik ◽  
Z. Önceler ◽  
S. Çakir ◽  
F. Altay
Keyword(s):  
Water Stress ◽  
Phaseolus Vulgaris ◽  
Yield Components ◽  
Agricultural Research ◽  
Abiotic Factors ◽  
Irrigation Scheduling ◽  
Yield Component ◽  
Dry Beans ◽  
Dry Bean ◽  
Yield And Yield Components

Water stress is one of the most important yield-limiting abiotic factors for dry beans (Phaseolus vulgaris L.). This study was conducted 1) to identify the effects of different irrigation scheduling on yield and yield components, 2) to define the number and intervals of irrigation water requirements in dry beans and 3) to compare the performances of two dry bean varieties in different irrigation schedules. The experiments were carried out in the fields of the Anatolian Agricultural Research Institute from 1992 to 1996. Two dry bean cultivars, Yunus90 and Karacasehir90, were used to study the effects of five irrigation schedules (S1: High, S2: Medium, S3: Low, S4: High-Low, S5: Low-High rates of irrigation). The results indicated that year (Y) × irrigation regime (IR) interactions were important for yield and yield components. Karacasehir90 was less affected by water stress than Yunus90 when rainfall was low in the growing season. Differences between irrigation schedules were more distinct when rainfall was low. The highest yield and yield component values were obtained from S1, while the lowest values were obtained from S3 and S4. These results showed that water stress after flowering had the most adverse effect on yield. Thus, it is recommended that farmers use supplemental water chiefly after flowering when water sources are limited.

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

Fathom common bean

2016 ◽  
Vol 96 (2) ◽  
pp. 276-279
Author(s):  
Raja Khanal ◽  
Terry Rupert ◽  
Alireza Navabi ◽  
Thomas H. Smith ◽  
Andrew J. Burt ◽  
...  
Keyword(s):  
Bacterial Blight ◽  
Colletotrichum Lindemuthianum ◽  
Yield Potential ◽  
High Yield ◽  
Common Bacterial Blight ◽  
Phaseolus Vulgaris L ◽  
Navy Bean ◽  
Dry Bean ◽  
Xanthomonas Axonopodis ◽  
High Yield Potential

Fathom (CFIA registration no. 7544) is a full-season navy bean (Phaseolus vulgaris L.) cultivar with a high yield potential, and resistance to anthracnose (caused by Colletotrichum lindemuthianum ) and common bacterial blight (CBB; caused by Xanthomonas axonopodis pv. phaseoli). Fathom is recommended for the dry bean growing areas in southwestern Ontario.

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