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ARS Home » Plains Area » Brookings, South Dakota » Integrated Cropping Systems Research » Research » Publications at this Location » Publication #323474
Title: First detection of Aster Yellows caused by phytoplasma on Camelina sativa L. in South Dakota

Author
item BYAMUKAMA, E - South Dakota State University
item TANDE, C - South Dakota State University
item OLSON, J - Oklahoma State University
item Hesler, Louis
item GRADY, K - South Dakota State University
item MATHEW, F - South Dakota State University

Submitted to: Plant Disease
Publication Type: Research Notes
Publication Acceptance Date: 8/11/2016
Publication Date: 8/17/2016
Citation: Byamukama, E., Tande, C., Olson, J., Hesler, L.S., Grady, K.A., Mathew, F. 2016. First detection of Aster Yellows caused by phytoplasma on Camelina sativa L. in South Dakota. Plant Disease. doi: 10.1094/PDIS-10-15-1179-PDN.

Interpretive Summary: Camelina is an oilseed crop that has been introduced to South Dakota primarily for biofuel production. Camelina plants with symptoms typical of aster yellows infection were observed in a 10-acre field plot at in Hughes County, South Dakota. Symptoms included shoot proliferation, stunted growth, misshapen flowers, excessive numbers of end shoots, and fewer or lack of pods. Plants with symptoms were less than 1% in this field. A molecular genetic test and subsequent database search showed that the infectious strains were similar to that of cabbage stunting phytoplasma strain Gr-C1 from and phyllody phytoplasma isolate RzMal3. To the best of our knowledge, this is the first detection of aster yellows on camelina in South Dakota.

Technical Abstract: Camelina is an oilseed crop that has been introduced to South Dakota primarily for biofuel production. Camelina plants (cv. ‘S0-40’) exhibiting symptoms typical of aster yellows infection were observed in a 10-acre demonstration plot at the Dakota Lakes Research Farm in Hughes County, South Dakota (44°39.00’ N 099°99.00’ W). Symptoms included shoot proliferation, stunted growth, phyllody, proliferation of axillary shoots, and fewer or lack of pods. Plants with symptoms were less than 1% in this field. A PCR test and subsequent database search showed that the genetic sequences obtained were 100% similar to the sequence of cabbage stunting phytoplasma strain Gr-C1 from Brassica oleracea and phyllody phytoplasma isolate RzMal3 from Brassica napus. To the best of our knowledge, this is the first detection of aster yellows on camelina in South Dakota.