The Southern Cornstalk Borer (Diatraea crambidoides (Grote), Lepidoptera: Crambidae) a New Pest of Eastern Gamagrass (Tripsacum dactyloides (L.) L., Poaceae)

Springer, T. L.; Puterka, Gary J.; Maas, D. L.; Thacker, Eric

doi:10.2317/jkes100907.1

Cited by 5 publications

(4 citation statements)

References 8 publications

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“…Although eastern gamagrass has been considered to have few diseases and pest issues, there have been reports of infestation by aphids ( Rhopalosiphum maidis ) that could lead to infection with maize dwarf mosaic virus (MDMV) and sugarcane mosaic virus (SCMV‐MDMV‐B) (Seifers et al., 1993). Larvae of southern cornstalk borer have also been shown to infest culms of eastern gamagrass (Springer & Dewald, 2004; Springer et al., 2011) and even reduce stands of eastern gamagrass grown in Maryland (Krizek et al., 2003). Additionally, eastern gamagrass grown in Woodward, OK, USA has been observed to be a host plant for maize billbug, causing stand loss and economic damage (Dhakal & Springer, 2018).…”

Section: Resultsmentioning

confidence: 99%

“…Contrastingly, Krizek et al (2003) observed plant death of eastern gamagrass grown in Maryland due to southern cornstalk borer, whereas Maas and Springer (2005) observed damage to plants by the southern cornstalk borer; however, no plant death was reported in Woodward, OK, USA. Additionally, Springer et al (2011) observed the three major life stages of the southern cornstalk borer within eastern gamagrass plants in Woodward, OK, USA. Therefore, it could be feasible that as the settlers began planting maize on the Great Plains, they were introducing new pests such as the southern cornstalk borer to the native stands of eastern gamagrass.…”

Section: Introductionmentioning

confidence: 99%

“…Additionally, Springer et al. (2011) observed the three major life stages of the southern cornstalk borer within eastern gamagrass plants in Woodward, OK, USA. Therefore, it could be feasible that as the settlers began planting maize on the Great Plains, they were introducing new pests such as the southern cornstalk borer to the native stands of eastern gamagrass.…”

Section: Introductionmentioning

confidence: 99%

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Is it feasible to improve stand persistence of eastern gamagrass (Tripsacum dactyloides L.) through breeding?

Boerman

Moffet

Gunter

2023

Agrosystems Geosci & Env

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Eastern gamagrass is a warm‐season perennial grass that has excellent forage nutritional quality and a broad range of adaptations. Despite the favorable forage qualities, agronomic issues persist; most important for grazing systems is stand persistence from preferential grazing when growing in mixed species communities. Stand persistence when monoculture stands are grazed has been previously studied, and it has been observed that stands decline under high stocking rates or low grazing height. The objective of our study was to evaluate if an improvement of stand persistence under defoliation to a low‐cut height is feasible through the breeding of improved lines. A persistence trial was conducted using a completely random design and eight replications to evaluate the stand persistence of two commercial cultivars, two experimental lines, and an ecotype selection. Defoliation occurred by grazing and mowing to a height of 8 cm three‐to‐four times over the course of five growing seasons. Stand counts of live plants were taken following the final defoliation of the season. Mixed linear regression modeling indicates significant differences between genotypes developed in years where no grazing occurred. An ecotype selection from Northwest Oklahoma exhibited significantly greater persistence than the cultivar Pete and the other experimental lines. These results suggest that different alleles exist for critical persistence genes, indicating it may be feasible to improve the trait through breeding and selection.

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Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Is it feasible to improve stand persistence of eastern gamagrass (Tripsacum dactyloides L.) through breeding?

Boerman

Moffet

Gunter

2023

Agrosystems Geosci & Env

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“…They also determined that the first generation large larvae of the European corn borer [Ostrinia nubilalis (Hübner)] peaked at 650 cumulated GDD and adult emergence peaked at 900 cumulated GDD. Similarly, Springer et al [22] determined the number of the GDD for the life stages of stalk borer (Diatraea mitteri Solis [23]) in eastern gamagrass and found that it took approximately 900 cumulated GDD for the insect to complete its life cycle.…”

Section: Discussionmentioning

confidence: 99%

Optimizing Eastern Gamagrass Forage Harvests Using Growing Degree Days

Springer¹,

Gunter²,

Goldman³

et al. 2016

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Tripsacum dactyloides (L.) L., commonly known as eastern gamagrass, is useful for grazing, stored forage, soil amelioration and conservation, and as a biofuel feedstock. Our goal was to calculate accumulated growing degree days (GDD) from existing datasets collected for eastern gamagrass forage production experiments in northwestern Oklahoma, and discuss the use of GDD, instead of calendar harvest dates, in the production of eastern gamagrass forage. Growing degree days were calculated from 1 January each year using the "optimum day method". For 10 harvest years, the first eastern gamagrass harvest required 690 ± 26 cumulative GDD. Based on long-term weather data from Woodward, Oklahoma, this would place the first harvest on or near 1 June. The second harvest required 635 ± 27 cumulative GDD which would place the second harvest on or near 15 July and the third harvest required 690 ± 23 cumulative GDD placing it on or near 30 August. Each of the 30 harvest required an average of 670 ± 15 cumulative GDD. Using GDD to predict harvest events is a useful tool that forage producer can use in the production of eastern gamagrass forage in the USA and possibly elsewhere.

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Diatraea crambidoides

2019

CABI Compendium

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The Southern Cornstalk Borer (Diatraea crambidoides (Grote), Lepidoptera: Crambidae) a New Pest of Eastern Gamagrass (Tripsacum dactyloides (L.) L., Poaceae)

Cited by 5 publications

References 8 publications

Is it feasible to improve stand persistence of eastern gamagrass (Tripsacum dactyloides L.) through breeding?

Is it feasible to improve stand persistence of eastern gamagrass (Tripsacum dactyloides L.) through breeding?

Optimizing Eastern Gamagrass Forage Harvests Using Growing Degree Days

Diatraea crambidoides

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