Registration of Oat Cultivar ‘Hayden’

Caffe‐Treml, Melanie; Hall, Lon; Bauer, R.; Kleinjan, Jonathan; Hall, Nicholas; Ingemansen, J. A.

doi:10.3198/jpr2016.10.0056crc

Cited by 6 publications

(4 citation statements)

References 9 publications

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“…Sixty Day was introduced from Russia in 1901 [38]. Hayden is a modern oat cultivar released by the South Dakota Experimental Station in 2014 [39]. The genetic backgrounds and breeding procedures are different for these two cultivars.…”

Section: Discussionmentioning

confidence: 99%

Effect of Non-Native Endophytic Bacteria on Oat (Avena sativa L.) Growth

Ghimire,

Peta,

Bücking

et al. 2023

IJPB

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Endophytic bacteria are known to influence vital activities of host plants. Endophytes can promote plant growth and provide a defense response against pathogens. The use of endophytes in crop production has the potential to reduce the application of fertilizer and pesticide input and thus improve the sustainability of crop production. In this study, we investigated the effects of seed inoculation with non-native endophytic bacteria, harvested from Brassica carinata, on oat (Avena sativa L.) growth with root vigor assays and greenhouse experiments. For root vigor assay experiments, seeds of two different oat cultivars were treated with 16 endophytic bacteria previously shown to promote growth benefits on multiple crop species. For the greenhouse experiments, the effect of seed inoculation with bacterial isolates was evaluated on ten oat cultivars at two fertilization levels. The root vigor assay showed that multiple isolates, including Bacillus licheniformis, Enterobacter kobei, B. halotolerans, B. cereus, B. aryabhattai, and Lysinibacillus fusiformis, had a positive effect on seedling root growth in one of the two oat cultivars. In the other cultivar, the bacterial isolates had either no effect or a negative effect on root growth. Greenhouse studies showed that the magnitude and direction of the effect of bacterial inoculation on oat growth varied with fertilization levels, bacterial strain, and oat cultivar. However, we identified two cultivars that were more responsive to bacterial inoculation than the others and for which bacterial inoculation of seed resulted in enhanced growth in several traits under both reduced and full nitrogen levels, and this response was observed for the two isolates tested. Our results show that inoculating oat seeds with non-native bacterial endophytes can promote root and shoot growth in oats. Developing biofertilizers that are effective across crop species, crop cultivars, and environmental conditions may be possible if cultivars are selected for their responsiveness across multiple bacterial isolates and in multiple growing environments. Overall, this study indicates that non-native endophytes could be considered for the development of biofertilizers with effectiveness across crop species.

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Section: Discussionmentioning

confidence: 99%

Effect of Non-Native Endophytic Bacteria on Oat (Avena sativa L.) Growth

Ghimire,

Peta,

Bücking

et al. 2023

IJPB

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“…A cluster analysis was conducted to select a sub-set representing the diversity in root system architectural traits from the panel. The sub-set included cultivars 'Clintford' [23], developed by Purdue University; 'Gopher', 'Deon', and 'MN Pearl', released in 1923, 2013, and 2018, respectively, by the University of Minnesota; 'Goliath', 'Hayden' [24], and 'Saddle', released in 2012, 2014, and 2017 by South Dakota Agricultural Experiment Station; 'Kame', released in 2005 by the University of Wisconsin; and 'SD140327', an experimental breeding line developed by South Dakota State University. In addition, the cultivar 'Checota' [25], released by Oklahoma Agricultural Experiment Station, was included as a drought-tolerant check cultivar based on previous reports [12,26].…”

Section: Plant Materialsmentioning

confidence: 99%

Evaluation of Morpho-Physiological Traits of Oat (Avena sativa L.) under Drought Stress

Ghimire,

McIntyre,

Caffe

2024

Agriculture

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The increase in intensity and frequency of drought due to global climate change has increased the urgency of developing crop cultivars suitable for dry environments. Drought tolerance is a complex trait that involves numerous physiological, biochemical, and morphological responses. A better understanding of those mechanisms is critical to develop drought tolerant cultivars. In this study, we aimed to understand the morphophysiological changes at the shoot and root levels in response to drought stress of ten oat genotypes with diverse root morphological characteristics. Twenty-one-day old plants were subjected to drought stress in a greenhouse by withholding water for two weeks. Several characteristics including chlorophyll content, relative water content (RWC), stomatal conductance, stomata number, shoot dry weight (SDW), root dry weight (RDW), root-to-shoot biomass ratio (RSR), root length, root area, and root volume were measured on well-watered, and drought-stressed plants. Grain yield was evaluated by continuing the drought treatment with a drying and rewatering cycle every 15 days until physiological maturity. The water regime had a significant impact on all traits evaluated. A significant interaction between genotype and water treatment was observed for RWC, chlorophyll content, stomatal conductance, stomata number, and grain yield but not for root traits, suggesting that the root system of all genotypes responded similarly to drought stress. Hayden, the cultivar with the lowest reduction in grain yield from the drought treatment, was among the genotypes with the lowest reduction in RWC and chlorophyll content but with a sharp decrease in stomata number, thus indicating that regulating the plant water status and maintaining the photosynthesis level are important for oat plants to maintain grain yield under drought stress. The size of the root system was not correlated with grain yield under drought, but the RWC and grain yield were significantly correlated under drought, thus suggesting that maintaining the RWC is an important characteristic for oat plants to maintain yield under drought stress.

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“…Experimental line SD140515, released as Rushmore in 2019, was evaluated in the SD CPT from 2017 to 2020 with other spring oat cultivars adapted to South Dakota: ‘Antigo’, ‘CS Camden’, ‘Deon’, ‘Goliath’, ‘Hayden’ (Caffe‐Treml et al., 2017); ‘Natty’ (Caffe‐Treml et al., 2020); and ‘Saddle’, ‘Shelby 427’, and ‘Warrior’. Heading date for Rushmore was close to the average of the trial; it was later than Saddle, Antigo, Shelby 427, and Natty but earlier than Goliath, CS Camden, and Deon (Table 1).…”

Section: Characteristicsmentioning

confidence: 99%

Registration of oat cultivar ‘Rushmore’

Caffe

Hall

et al. 2023

J of Plant Registrations

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More awareness from consumers on the health benefits of oat (Avena sativa L.) in the last few decades has increased the demand for oat. However, in the United States, oat production has continued to decline. Most of the oats used in U.S. food products are imported from Canada. Although oats are known to fit well in corn (Zea mays L.)–soybean [Glycine max (L.) Merr] rotations, difficulties in marketing the grain and relatively low prices in comparison to corn and soybeans have limited the number of acres planted to oats. High‐yielding oat cultivars adapted to the Northern Great Plains with high test weight and good milling characteristics are needed. ‘Rushmore’ (Reg. no. CV‐388, PI 698122) is a spring oat cultivar released by the South Dakota Agricultural Experiment Station in 2019. Rushmore was derived from the three‐way cross SD080015//SD070110/SD060130 and developed using a modified bulk and single‐seed descent method. Prior to release, Rushmore was tested in the uniform early oat performance nursery in 2016 and 2017 and in the South Dakota Crop Performance Testing oat variety trial since 2017. Rushmore was evaluated as experimental line SD140515 and evaluated for grain yield, test weight, disease resistance, lodging resistance, grain shape, milling characteristics, and grain composition. Rushmore was released to oat producers due to its combination of high grain yield, excellent test weight, lodging and disease resistance, and good milling characteristics. The excellent test weight potential of Rushmore is expected to help producers in marketing their grain to the feed and food industries.

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Registration of Oat Cultivar ‘Hayden’

Cited by 6 publications

References 9 publications

Effect of Non-Native Endophytic Bacteria on Oat (Avena sativa L.) Growth

Effect of Non-Native Endophytic Bacteria on Oat (Avena sativa L.) Growth

Evaluation of Morpho-Physiological Traits of Oat (Avena sativa L.) under Drought Stress

Registration of oat cultivar ‘Rushmore’

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