Rates of Transmitting Erwinia stewartii from Seed to Seedlings of a Sweet Corn Hybrid Susceptible to Stewart's Wilt

Plant Disease
P M MichenerD G White

Abstract

Rates of transmitting Erwinia stewartii from seed to seedlings were estimated from field grow-outs of seedlings grown from seed infected with E. stewartii. Infected seed were produced in 1998, 1999, and 2000 on a Stewart's wilt-susceptible sweet corn hybrid, Jubilee. Seedlings were inoculated repeatedly with pinprick inoculators and suspensions of E. stewartii were injected into ear shanks of the primary ears of each adult plant. Seed from inoculated plants were harvested and bulked. Single kernels were assayed for E. stewartii to estimate the proportion of kernels infected with E. stewartii. Estimates of E. stewartii-infection were 15.6 ± 4.3, 49.4 ± 3.9, and 12.5 ± 2.4% for seed produced in 1998, 1999, and 2000, respectively. Approximately 61,800 seedlings were grown in DeKalb, IL in 1999 and 83,400 and 60,000 seedlings were grown in Plover WI in 2000 and 2001, respectively, from infected seed lots produced the previous year. Approximately 10,000, 12,200, and 29,400 seedlings of susceptible sweet corn hybrids also were grown each year from commercial seed produced in Idaho where Stewart's wilt does not occur. Based on estimates of kernel infection in each seed lot and plant populations in each grow-out trial, about 9,600, 41,...Continue Reading

References

Jan 1, 1992·Biomaterials, Artificial Cells, and Immobilization Biotechnology : Official Journal of the International Society for Artificial Cells and Immobilization Biotechnology·D SaccoE Dellacherie
Sep 28, 1934·Science·C Elliott, F W Poos
Jan 1, 1995·Annual Review of Phytopathology·D C McGee
Jul 1, 1998·Plant Disease·C C BlockD C McGee

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Citations

Jan 13, 2016·Phytopathology·Bhabesh DuttaRon Ricardo Walcott
Apr 10, 2018·The Plant Pathology Journal·Kwang Yeol BaekSeon-Woo Lee

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