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One Hundred Years of Bean Breeding

One Hundred Years of Bean Breeding at Michigan State University: A Chronology.
James D. Kelly, Crop and Soil Sciences, Michigan State University, East Lansing MI 48824.

As a farewell to the Twentieth Century, I thought it would be interesting to summarize the milestones achieved in bean breeding over the last century. All breeding research at Michigan State University (MSU) is conducted through the Michigan Agricultural Experiment Station (MAES) housed originally in Michigan State College and now in MSU. The achievements in bean breeding are based on the efforts of dedicated scientists, staff and students and although I will mention only specific individuals, credit must be given to colleagues, staff and students who all have made substantial contributions to those milestones. A brief look at the history of bean breeding at MAES and the substantial contributions in variety development that have been made over the last century are summarized by decade or year in the attached tables. Forty varieties in eight commercial classes were developed and released during the XX Century and each has contributed in different ways to the success and stability of the dry bean industry in the state of Michigan and elsewhere. A more detailed summary of bean breeding activities was described previously by Dr. Axel Andersen in the Michigan Dry Bean Digest, 1982/83.

Dr. Spragg was the first plant breeder hired by the MAES and he worked on a number of crops, beans among them. His greatest contribution to plant breeding was the release in 1915 of the first navy bean variety, Robust. Robust was selected as a consistent performer among lines of native landrace strains of navy bean grown in Michigan. These lines were extensively and uniformly evaluated and Robust was identified based on consistent high-yield. Other varieties developed during this era were Wells red kidney and Rainy River navy, but all navy beans suffered from being full-season, decumbent plant type, highly susceptible to white mold, mosaic virus and anthracnose. Efforts were initiated to improve the navy bean through cross breeding rather than pure line selection since variability was limited. After the untimely death of Dr. Spragg, E.E. Down undertook the breeding effort which resulted in the release of Michelite navy bean in 1938. Michelite was derived from the cross of Early Prolific with Robust and it proved to be higher yielding with better seed quality than Robust. In addition Michelite was resistant to common strains of bean common mosaic virus (BCMV) present in Michigan during that era.

Following the release and widespread acceptance of Michelite, attempts were made to introduce a determinate bush habit into the navy bean through traditional backcross breeding. The attempts proved unsuccessful, so a program of using X-ray mutation breeding was undertaken in the 1940's. This effort resulted in the development of the first bush navy bean variety, Sanilac in 1956. Sanilac was one of the first successful crop varieties to be developed through mutation breeding. The work was the culmination of the efforts of Dr. Down and Dr. Axel Andersen, USDA-ARS plant pathologist affiliated with the breeding program. Sanilac was significant for its upright bush habit, earlier maturity, anthracnose resistance and avoidance of white mold. Sanilac heralded the era of the development of early season bush navy bean varieties in the 1960's and those efforts were directed by Dr. Wayne Adams. His work resulted in the release of three early-season bush navy bean varieties, Seaway, Gratiot, and Seafarer all destined for markets in Europe through the newly opened St. Lawrence Seaway. Since the seaway froze-over early in the winter, early season varieties were essential to sustain the vital export market. Traditional full-season varieties would not have met the needs of this market due to the three week delay in harvesting these types. The potential of these varieties is attested to by the Seafarer variety, which retained its popularity among growers for two decades after its release in 1968.

In conjunction with Dr. Fred Saettler, the next USDA-ARS plant pathologist to be affiliated with the breeding program, Dr. Adams turned his attention to kidney beans. Problems, particularly with halo blight, were jeopardizing this sector of the industry. Drs. Adams and Saettler released Montcalm dark red kidney variety in 1974 which assured the continued successful production and expansion of kidney bean production in Michigan, particularly Northern Michigan where crop alternatives were scare. A quarter century after its release, Montcalm is still the most widely grown dark red kidney bean variety, sought by growers for its halo blight resistance and processors for its superior canning quality.

During the 1960-70's when spectacular yields in wheat and rice were touted internationally as the ‘Green Revolution’, Dr. Adams turned his attention to plant modification in beans as an approach to improving yield. He proposed a more upright plant habit that he referred to as a ‘architype’ and he designed a new bean plant based on his observations and experience with bean germplasm from Central America. The approach, known as ideotype breeding, has resulted in development of new upright varieties starting with Swan Valley in 1982, followed by Neptune, C-20, Mayflower, and the most recent variety, Mackinac released in 1996. These varieties and the commercial varieties developed directly from them formed the basis of the significant increase in yield in beans during the current decade.

As a direct spinoff from the program to develop upright navy beans, new black bean varieties were developed from the Central American black bean germplasm used as parents in the breeding program. Varieties like Domino and Black Magic sparked a renewed interest in black beans and contributed to the increasingly available markets in Mexico and other Latin American countries. Diversification became the cry of the bean industry in the 1980's and as result, varieties were developed by the author in pinto and great northern commercial classes to meet that demand. Those efforts continue today but the major market expansion in Michigan continues to be in black beans. In 1998, more acres were planted to black beans than navy beans underscoring the preference among growers for black beans as compared to other non-traditional commercial classes. In order to adapt pinto and great northern beans to Michigan, upright plant architecture was incorporated into both types as traditional varieties grown in the western states all possessed a decumbent viney growth habit that increased significantly their risk to diseases and weather related losses during harvest. Varieties such as Sierra and Aztec pinto and Alpine great northern were among the first pinto and great northern varieties released by MSU.

Individuals contributing to the earlier effort in black beans including the release of Blackhawk include Dr. Ardeshir Ghaderi, who retired early after a serious automobile accident in 1984. The work on bean diseases suffered a major set back with the untimely death of Dr. Saettler to cancer in 1990. Work on the genetics of food quality traits in beans received a boost in the late 1970's with the arrival of Dr. George Hosfield, USDA-ARS plant geneticist affiliated with the breeding program. Dr. Hosfield worked collaboratively with scientists such as Dr. Mark Uebersax in Food Science. They developed small scale canning method capable of evaluating small quantities of seed of a large number of different bean breeding lines. This collaboration has ensured that all new varieties in all market classes meet an acceptable standard of quality sought by the processing industry. New varieties such as Huron navy bean, Red Hawk dark red kidney and Matterhorn great northern excel in quality as a result of the rigorous screening for quality imposed on all new varieties in each commercial class under development at MSU.

The success of the breeding program had two import allies outside the University. They are the bean grower members of the Michigan Crop Improvement Association and their long term loyalty and financial support for the program and the varieties generated by the program. The second group is headed by Greg Varner the Research Director of the Production Research Advisory Board - PRAB, funded by the Michigan Bean Commission and the Michigan Bean Shipper Association. Efforts by Greg and his predecessors have been invaluable in testing all new MSU bean breeding lines and giving them a fair evaluation in comparison with other public and private varieties. This performance information gathered from growers’ fields in the production area is critical to assist the breeder in making the decision to release a breeding line as a new variety. In retrospect, however, much of the success of the bean breeding program can be attributed to the technical personnel employed by MAES. Two technicians who contributed the greatest long term effort were Jerry Whitford in the 1940-60's and Jerry Taylor who has contributed over 30 years of dedicated service and effort and is still actively employed in the breeding program today.

As we look to the new millennium, challenges and exciting times face the bean industry in Michigan. Production wise, yields are at an all time high and varieties suitable for narrow row production and direct harvest are now available. The potential application of molecular tools and markers to improve the efficiency of the breeding program is exciting. However, the issue of genetically modified - GM crops is on everyone’s mind. Bean growers would like the opportunities that biotechnology offers in weed and pest control, whereas industry must deal with the realities of the market place and the fact that the European market, that consumes over 40% of our beans, does not want GM beans. Each decade appears to produce a decisive or contentious issue that has the potential to polarize people. At the turn of the XX century, GM food has certainly achieved that fame and could have a decisive influence on the future production of many crops. How the bean industry is able to strike the right balance and optimize benefits of all will be the challenge for the next century.

Finally, ‘Can we learn from history’? Sometimes it is valuable to look back before striking forward. I would, therefore, like to conclude this article by raising the rhetorical question: ‘Are Michigan bean producers still "tied to" the navy (pea) bean in 1999 as they were in 1910’. I refer to a quote from the Hon. A. B. Cook of Owosso, Michigan, published by W.F. Raven in 19101: ‘I have come to the conclusion that as a money crop, one year with another, the little old fashioned pea (navy) bean has the advantage. It is hardy, early maturing, is always in demand and is the safest to tie to’. This statement appears to have significant relevance to the bean industry ninety years after it was articulated. Despite major efforts to diversify the industry, the navy bean is still the dominant commercial class in Michigan at the turn of the century.

1 Raven, W.F. 1910. Bean production. Mich. State Agric. College Expt. Stat. Bulletin 259.