HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS		QUICK SEARCH:   [advanced] Author: Keyword(s): Year:  Vol:  Page:

This Article Full Text (PDF) Alert me when this article is cited Alert me if a correction is posted Services Similar articles in this journal Alert me to new issues of the journal Download to citation manager Citing Articles Citing Articles via HighWire Citing Articles via Google Scholar Google Scholar Articles by Ross, J. P. Search for Related Content PubMed Articles by Ross, J. P. Agricola Articles by Ross, J. P.

Effect of Soybean Mosiac on Component Yields from Blends of Mosiac Resistant and Susceptible Soybeans¹

To gain information on how yield reductions are generated by soybean mosaic under field conditions, experiments were conducted during four seasons to study the competition, as reflected in seed yield, between healthy and mosaic-infected soybean [Glycine max (L.) Merr.] plants. Three pairs of closely related soybean mosaic virus (SMV)- resistant (R) and -susceptible (S) sibling soybean lines were planted in blends of 10, 20, 40, 60, and 80% R and complementary S seed. Natural virus sources were present at one location, and at the other location a virus source was provided for aphid transmission into the plots. Using total yields, plant stand counts during August or September, and the R or S reaction of seedlings grown from seed harvested from each plot, average yields per R and S plant were calculated for each blend. Yields per R plant generally increased as the percentage of R plants in the blend decreased, whereas yields per S plant varied only slightly among the various blends. Total yields generally increased with increasing percentages of R plants; however, this yield varied among seasons, locations, and sibling lines. The line with ‘Semmes’ as the recurrent susceptible parent manifested the greatest yield response. Yield compensation by nonlnfected soybean plants in fields with mosaic probably plays a major role in moderating yield loss.

Key Words: Glycine max (L.) Merr. • Soybean mosaic virus • Compensation

² Plant pathologist, USDA, ARS and Dep. of Plant Pathology, North Carolina State Univ., Raleigh, NC 27650.

Received for publication April 19, 1982.

This article has been cited by other articles:

				G. Ma, P. Chen, G. R. Buss, and S. A. Tolin Genetic Study of a Lethal Necrosis to Soybean Mosaic Virus in PI 507389 Soybean J. Hered., May 1, 2003; 94(3): 205 - 211. [Abstract] [Full Text] [PDF]

				L. Liao, P. Chen, G. R. Buss, Q. Yang, and S. A. Tolin Inheritance and Allelism of Resistance to Soybean Mosaic Virus in Zao18 Soybean From China J. Hered., November 1, 2002; 93(6): 447 - 452. [Abstract] [Full Text] [PDF]