0% Panicum clandestinum, Tioga (Deertongue, Tioga) General Product. Switchgrass is conventionally grown for. ) is a North American native perennial grass that as a candidate biomass crop, combines high biomass yields with other desirable ecosystem services. Switchgrass (Panicum virgatum) ‘Blackwell’ ‘Shelter’ ‘Southlow’ 90% 9 lbs. Flow cytometry was performed on nuclei extracted from 37 leaf samples from 19. An early-maturing strain representative of Nebraska Sandhill types. The trials lasted 17 years (1998–2014) in Greece and 13. Switchgrass, ‘Independence’. 1 m) Mature leaf width: greater than 0. duriuscula, Gladiator $ 5. The RNA was pooled from three independent pots of each genotype and for each of the three biological replicates. Switchgrass thrives in sand, clay, or loam soil. Species:. Switchgrass (Panicum virgatum L. It is tolerant of salt exposure and short periods of drought. Seed Finder Tool Project Planner Planting Guides2. doi: 10. Long-term moderate grazing had relatively little impact on soil properties compared to ungrazed pastures. Allow. It reaches 3-4 feet and with its flower plumes it can measure up to 7 feet tall. 00 % Elymus virginicus, Madison-NY Ecotype Virginia Wildrye, Madison-NY Ecotype 10. ) ecotype develops a higher degree of freezing tolerance by initiating cold acclimation at higher temperatures as compared with the coastal and southern lowland ecotypes. Some sedges strongly prefer a particular habitat, while others are "generalists. 1 m × 2. Panicum virgatum L. Panicumvirgatum(switchgrass)isanidealsystem for studying the evolutionary genetic basis of ecotype divergence. Europe PMC is an archive of life sciences journal literature. Switchgrass is allopolyploid, and there are two main ploidy levels in switchgrass, tetraploid (4x. (switchgrass) is a native, perennial grass in North America with important ecological function in ecoregions including the Long Island Sound Coastal Lowland in the Northeastern. Switchgrass is a long-lived outcrossing C4 perennial grass native to a large region of central and eastern North America and extending south into Central America. S. It is vital to not plant switchgrass seeds any deeper than ½ inch. 40 Add to cart; Add to Wishlist. 0% Sorghastrum nutans, 'Southlow'-MI Ecotype (Indiangrass. (switchgrass), which belongs to the Poaceae family, is an important biofuel and fodder crop in drought areas. Flowers/fruit is an open panicle. Switchgrass (Panicum virgatum L. ), a perennial grass native to North America, was introduced to the Loess Plateau of China in the 1990s because of its high production, high adaptability to drought. Species:Switchgrass Panicum virgatum Switchgrass is a warm-season perennial that typically grows to 3–7 feet high. Switchgrass is a perennial grass with two distinct ecotypes (upland and lowland) that grows well in soils with low nitrogen. 0% Elymus virginicus, Madison-NY Ecotype (Virginia Wildrye, Madison-NY Ecotype) 4. You can plant switchgrass in moderately moist soil or even dry conditions. Social. 13 m. H. The evolution of locally adapted ecotypes is a common phenomenon that generates diversity within plant species. Its long roots improve soil and water quality by absorbing nutrients and sequestering carbon dioxide. 0% Echinacea purpurea (Purple Coneflower) Switchgrass (Panicum virgatum L. to 5 p. We employed high-coverage exome capture sequencing (~2. frugiperda consumed greater amounts of corn than switchgrass and increased amounts of upland versus lowland ecotypes. The. Prairie grass species native to North America, such as switchgrass (Panicum virgatum L. Light is shed on rhizosheath microbiome recruitment in switchgrass and the foundation for the improvement of drought tolerance in switch Grass by regulating the rhizOSheath microbiomes is laid. Europe PMC is an archive of life sciences journal literature. Once switchgrass is established, its bunch-type growth habit makes it very competitive with weeds. 62 m long) in a randomized complete block design with three replications. It is vital to not plant switchgrass seeds any deeper than ½ in. An earlier response to declining temperatures may provide the upland ecotype with additional time to prepare for winter and provide an advantage when plants are subjected to the rapid changes in fall temperature associated with. 00 % Andropogon gerardii, 'Niagara' Big Bluestem, 'Niagara' 11. These questions are important because. Soil C was dependent on grass root biomass across all improved pasture treatments, but with few differences among. 1 Gallon. E. Eastern Time. a short‐day photoperiod. ) has been identified in the USA as an ideal biomass crop, in relation to its wide environmental suitability, mainly linked to the availability of both upland and lowland ecotypes, allowing the possibility of growing this species in most of the North American region. Europe PMC is an archive of life sciences journal literature. ). It is drought and salt tolerant, needs little to no fertilizer and does well in shallow, wet soils. Ernst Conservation Seeds 8884 Mercer Pike Meadville, PA 16335 (800) 873-3321 sales@ernstseed. Bergstrom (gcb3@cornell. @article{osti_936551, title = {Exploring Potential U. In addition, the report of heterosis for upland x lowland ecotype crosses further underscores the need for accurate and efficient discrimination of switchgrass gene pools [19,20]. 2009, 2011a). The average for the switchgrass studies is a net emission of 1. SwitchgrassSwitchgrass samples contained 317. com. S. Introduction. 00 Add to cart; Contact Us. Seeding rate: 15 bulk lbs per acre or . 5. Switchgrass is a perennial C4 grass that can form contact rhizosheath under drought conditions. 5% Bidens cernua, PA Ecotype (Nodding Bur Marigold, PA Ecotype)Little Bluestem, PA Ecotype. Flat. m. . ) has been identified in the USA as an ideal biomass crop, in relation to its wide environmental suitability, mainly linked to the availability of both upland and lowland ecotypes, allowing the possibility of growing this species in most of the North American region. 40 Add to cart; Contact Us. Switchgrass (Panicum virgatum. Short-term Trends. Long Island, island in the Atlantic Ocean that comprises the southeasternmost part of New York state, U. Upland cultivars of switchgrass (Panicum virgatum L. The objective of. ) is a warm season, perennial grass native to North America with two major ecotypes adapted to different edaphic conditions: the southern-adapted lowland ecotype and northern-adapted upland ecotype (Porter, 1966). S. long-termproductivity[7,11,13]. 8% of the. Conclusions: The gene ontology (GO) analysis of the transcriptome indicated lowland ecotype had. 58 26. Some salt tolerance. 5 bill[. ) has been identified in the USA as an ideal biomass crop, in relation to its wide environmental suitability, mainly linked to the availability of both upland and lowland ecotypes, allowing the possibility of growing this species in most of the North American region. Andropogon gerardii, Long Island-NY Ecotype $ 14. Path Rush : 1. PDF | Switchgrass (Panicum virgatum L. Switchgrass Production for Lignocellulosic Ethanol}, author = {Gunderson, Carla A and Davis, Ethan and Jager, Yetta and West, Tristram O. S. IMPORTANT: Local ecotype is NOT the same as locally-grown, although local ecotype plants are often grown locally. 00 % Desmodium canadense, PA Ecotype Showy Ticktrefoil, PA Ecotype 48. The study was conducted during 2000 and 2001 as part of a larger study [2, 3], using switchgrass stands planted in 1992 at eight different sites across five states in the upper southeast USA (Table 1). A planting depth of ¼ to ½ inch is recommended. Switchgrass is a native warm season (NWS) perennial grass that is often grown as a forage crop, natural wildlife habitat, or, increasingly, as a bioenergy crop. 5% Vernonia noveboracensis, PA Ecotype (New York Ironweed, PA Ecotype) General Product Information. Switchgrass was seeded at 30 PLS ft 2 using a no-till drill and seeded at 6-, 12-, 18-, 24-, 30-, and 36-inch row spacings. long-termproductivity[7,11,13]. Andropogon glomeratus var. Add to Wishlist. (A) Low- land (left) and upland (right) plants on 10 July 2012 in Ithaca, NY, showing two individual plants, 4 yr old, spaced. Eragrostis spectabilis, RI Ecotype Purple Lovegrass, RI Ecotype Low-growing, short-rhizomed bunchgrass; grows well in open areas; provides a short visual layer when used with little bluestem or sideoats grama; early fall color. ) is a North American grass that exhibits vast genetic diversity across its geographic range. Hard Fescue, Gladiator. Introduction. . Switchgrass is a perennial C4 grass which can form contact rhizosheath under drought conditions. R. Aquascapes Unlimited’s seed sown local ecotype species add natural wildlife benefits, promote biodiversity, and oftentimes require less maintenance in terms of fertilizers and pesticides. Production Genetic . 40 Add to cart; Contact Us. Panicum virgatum, 'Carthage', NC Ecotype Switchgrass, ‘Carthage’, NC Ecotype Good disease resistance. Switchgrass productivity increased according to the utility year; however, the driest year (2020-388 mm, 2021-372 mm, and 2022-288 mm) changed the order of the three full utility years (12. com. 80 Add to cart; Add to Wishlist. Switchgrass, a warm-season perennial grass studied as a potential dedicated biofuel feedstock, is classified into two main taxa – lowland and upland ecotypes – that. Another Name for Success. A female parent AP13 and male parent VS16 (an upland ecotype) were utilized for the construction of a genetic linkage map [ 18 ] and the identification of quantitative trait loci (QTL) associated with biomass yield and traits related to. Andropogon gerardii, Long Island-NY Ecotype $ 14. Switchgrass is a long-lived outcrossing C4 perennial grass native to a large region of central and easter n North America and extending south into Central America. The trials lasted 17 years (1998–2014) in Greece and 13. Indiangrass, Long Island-NY Ecotype. The mean yield, averaged for the period 2006–2016, was used to build opportunity maps of upland and lowland ecotype switchgrass using Arcgis10. Common switchgrass has two ecotypes: the lowland ecotype (tetra-ploid) and upland ecotype (hexaploid and octoploid) [38]. The. Switchgrass is a perennial, warm-season ornamental grass that is native to North Carolina. Animals that may use this habitat include owls, bald eagles, and osprey. }, abstractNote = {Background: Switchgrass, a warm-season perennial grass studied as a potential. Alamo, cv. com switchgrass growing in the Long Island Sound Coastal Lowland ecoregion in Connecticut. 40 Add to cart; Add to Wishlist. Switchgrass Cultivar/Ecotype Selection and Management for Biofuels in the Upper Southeast USA. Papazoglou 3, Konstantinos Iordanoglou 1 and Andrea Monti 2 1 Centre for Renewable Energy Sources and Saving, 19009 Pikermi, Greece; ealex@cres. Two switchgrass strains were used in this study: ‘Shawnee’, an upland ecotype, and ‘Kanlow x Summer HP1 NETO2 C1’, an experimental lowland ecotype later released as ‘Liberty’. 20 cm wide, and 16. org. al. 30 % Mimulus ringens, PA Ecotype Square Stemmed Monkeyflower, PA Ecotype 216. As interest in production of second-generation biofuels increases, dedicated biomass crops are likely to be called upon to help meet feedstock demands. Europe PMC is an archive of life sciences journal literature. 00 0. Amsonia ciliata, SC Ecotype $ 384. This plant enjoys full sun to partial shade. At the end of the growing season, plant leaves were harvested and the fungal microbiome characterized using. 2006. com. Email: [email protected] Fax: (814) 336-5191 Payment: We accept VISA, MASTERCARD, DISCOVER, and AMERICAN EXPRESS. Switchgrass (Panicum virgatum L. It has been studied for production of biofuels (ethanol and diesel) and biopower (electricity and heat). A single annual cutting in the late fall or winter hasDownload scientific diagram | Annual switchgrass yields, grouped by stand age at harvest, and by ecotype (yellow for lowland, blue for upland ecotype). 1. Regression of each switchgrass cultivar’s mean yield for each location and year against its site yield variation for (a) lower-input, one-cut or (b) higher-input, two-cut systems. Switchgrass, like corn is a C4 species and fixes carbon through multiple. This plant is one of the more dominant species of the tallgrass prairie, but it is found all over North America growing along moist roadsides, streambanks, and woodlands. More disease resistant than 'Cave-In-Rock'. 40 Add to cart; Contact Us. Switchgrass (Panicum virgatum L. ) is a warmseason grass that is native to the prairies of North America that is being developed into a biomass energy crop. Individual Seed Species. The area of adaption zone of upland switchgrass was 4. lbs per 1,000 ft. Abstract The rhizosheath comprises soil that adheres firmly to roots by a combination of root hairs and. Comparison of switchgrass ecotype biomass & root traits. , 2015) revealed common and distinct metabolic alterations and identified specialized diterpenoid metabolites with possible functions in switchgrass drought. The genome of the AP13 switchgrass genotype is large (haploid genome size = 1,129. and Uppalapati, Srinivasa Rao and Krom, Nick and Mukherjee, Shreyartha and Tang, Yuhong and Mysore, Kirankumar S. 0% Agrostis hyemalis, Piedmont NC Ecotype (Winter Bentgrass, Piedmont NC Ecotype) 0. 60 0. S. ), such as ‘Cave-in-Rock,’ often are recommended for the northeastern USA. 1% Aster novae-angliae, PA Ecotype (New England Aster, PA Ecotype)The U. 40 Add to cart; Contact Us. Agrostis perennans, Albany Pine Bush-NY Ecotype $ 16. Switch Grass is gorgeous through all four seasons, and its versatility is on full display at the Greenburgh Nature Center. Herbaceous biomass is being investigated in the search for renewable energy sources. Switchgrass (Panicum virgatum L. 1 / 3-1 / 2. Switchgrasswaswell-establishedand3yearsoldwhen sampled in 2012. " by T. 0–385. m. A long-term study on switchgrass had been carried out (1998–2015) on a marginal area in Greece comparing five varieties (having lowland or upland ecotype) at increasing nitrogen fertilization. Four cultivars of switchgrass were. United Kingdom: N. Switchgrass grows best in a site that receives at least 6 hours of direct sunlight. Most of the recent research has been focused on the. 9-2. Keywords: Switchgrass, Transcriptome, Ecotype, Photosynthesis, SNP markers Background Increasing emission of carbon dioxide into the atmos-phere from burning nonrenewable fossil fuels causes theThe U. Switchgrass, ‘Blackwell’. 20 2. Add to Project. Department of Energy (DOE) is interested in finding ways of increasing the plant’s biomass yield to develop sustainable biofuels. Switchgrass ( Panicum virgatum L. To develop prairie grass species. Newsletter. Switchgrass, ‘Summer’ Rhizomatous, intermediate warm season bunchgrass; early maturing northern variety. m. Abstract. }, abstractNote = {The evolution of locally adapted ecotypes is a common phenomenon that generates diversity within plant species. This study was designed to determine if: 1) switchgrass plants collected in the Long Island Sound Coastal Lowland coastal Level IV ecoregion represented local. 3 Mg CO 2 e ha −1 y −1 to a net sequestration of 1. The Greenbelt Native Plant Center (GNPC), a facility of the New York City Department of Parks & Recreation, is a 13–acre greenhouse, nursery, and seed bank complex located on Staten Island, NY. and Saha, Malay C. Indicator Regions. 30 % Vernonia noveboracensis, PA Ecotype New York Ironweed, PA Ecotype 264. 79 Panicum virgatum, NJ Ecotype Switchgrass, NJ Ecotype. The highest yielding ecotype and its yield were displayed on a 1 × 1 km grid, which was named optimal switchgrass. Native Warm Season Grasses and High Quality Biomass - Ernst. “We will be working on advanced varieties of switchgrass that grow best in. Feed trials suggest that both switchgrass ecotype and cultivar can influence feeding damage by a common generalist herbivore, which can be used to help inform current switchgrass planting decisions as well as future breeding efforts. At present, a mixture of red fescue (Festuca rubra L. Switchgrass is a perennial C4 grass that can form contact rhizosheath under drought conditions. Abstract. The scope was to identify the most suitable ecotype within each environment and, possibly, the best performing variety. J. Switchgrass has several advantages as a. ) has been identified in the USA as an ideal biomass crop, in relation to its wide environmental suitability, mainly linked to the availability of both upland and lowland ecotypes, allowing the possibility of growing this species in most of the North American region. But there is limited information on their inherent molecular variations. 5. Add to Wishlist. Kanlow) have a broad range of rhizosheath weight under drought conditions. 40 Add to cart; Add to Wishlist. Autumn Bentgrass, Albany Pine Bush-NY Ecotype. ), a perennial warm-season grass indigenous to the eastern USA, has potential as a biofuels feedstock. Switchgrass is a perennial grass with a large and complex genome that has adapted to grow in a variety of soils, water conditions, and climates. Andropogon gerardii, Long Island-NY Ecotype $ 14. The objective of this study was to investigate the performance of upland and lowland switchgrass cultivars under different. Add to Project. It grows well in low-N soils, likely because of its ability to translocate N and to associate with N-fixing microbes, but little is known about variation in these traits among. Herb/Forb : Verbena hastata . Here we report the establishment of an efficient and reproducible transformation protocol for two upland cultivars, ‘Summer’. Andropogon gerardii, Long Island-NY Ecotype $ 14. Europe PMC. We hypothesized that the more northern upland switchgrass (Panicum virgatum L. ADDRESS 8884 16335 PHONE 800 873-3321 814 336-2404 FAX 814 336-5191 EMAIL sales@ernstseedcom Website Call: 800 873-3321 Monday through Friday 8 am to 5 pm… ADDRESS 8884 16335 PHONE 800 873-3321 814 336-2404 FAX 814 336-5191 EMAIL sales@ernstseedcom Website Call: 800 873-3321 Monday through Friday 8 am to 5 pm… Switchgrass is a long-lived outcrossing C4 perennial grass native to a large region of central and eastern North America and extending south into Central America. 40 Add to cart; Contact Us. Layton (cnl24@cornell. Fourteen lowland switchgrass populations were subjected to selection for winter survivorship at Arlington and Hancock, WI, located in USDA plant hardiness zones. Add to Wishlist. Native Warm Season Grasses and High Quality Biomass - Ernst. When planting for wildlife, reduce the seeding rate by 50–60% (e. In this study, we characterized the microbiomes of four different rhizocompartments of two switchgrass ecotypes. ADDRESS 8884 16335 PHONE 800 873-3321 814 336-2404 FAX 814 336-5191 EMAIL sales@ernstseedcom Website Call: 800 873-3321 Monday through Friday 8 am to 5 pm… Cold acclimation threshold induction temperatures of switchgrass ecotypes grown under a long and short photoperiod Physiol Plant . Big Bluestem, Long Island-NY Ecotype. Big Bluestem, ‘Southlow. Dry matter content increased after fall harvest at both locations. life Division) of switchgrass within the southern half of Michigan’s Lower Peninsula. Andropogon gerardii, Long Island-NY Ecotype $ 14. Purple Top. NATIVE PLANT Shopping Guide . ADDRESS 8884 16335 PHONE (800) 873-3321 814) 336-2404 FAX (814) 336-5191 EMAIL [email protected] Website Call: (800) 873-3321 Monday through Friday, 8 a. Join Mailing List. It is native to sandy dunes and shores in coastal areas from Connecticut to Florida to Texas. Keywords: Switchgrass, Transcriptome, Ecotype, Photosynthesis, SNP markers. Eastern Time. useful resources for traits mapping and gene transfer across ecotypes in switchgrass breeding for increased biomass yield for biofuel conversion. ), such as ‘Cave-in-Rock,’ often are recommended for the northeastern USA. We estimated ploidy level in at. 1111/ppl. the ecotype-specific recruitment of rhizosheath microbiome reveals their differences in drought stress responses. The BRC program has developed switchgrass as a feedstock for plant-based fuels since 2007 and initiated work on sequencing the switchgrass genome that started more than a. Agrostis perennans, Albany Pine Bush-NY Ecotype $. Integrated management of switchgrass smut to prevent spread and biomass losses in NY state Project Leader: Gary C. 2016, BMC Genomics. Switchgrass is conventionally grown for forage, but more recently, it has been considered as a. battery supply chain, announcing up to $3. Switchgrass also exhibits substantial resistance to pests and diseases 3,4. The development of renewable energy is a national priority and switchgrass (Panicum virgatum) is expected to become an important bioenergy resource. ), and kentucky bluegrass (Poa pratensis L. Although switchgrass is often associated with the prairie ecosystem, it is native to the East coast including the New England region. Switchgrass (Panicum virgatum L. Little Bluestem, Fort Indiantown Gap-PA Ecotype Indiangrass, PA Ecotype Virginia Wildrye, PA Ecotype Big Bluestem, 'Niagara' Switchgrass, Long Island-NY Ecotype. Some switchgrass ecotypes and varieties can grow well in the northern U. Switchgrass (Panicum virgatum) is an excellent feedstock for biofuel production. Little Bluestem (Schizachyrium scoparium) NY ecotype, 90% 24 lbs. 21 Mg ha -1 . Newsletter. Introduction. Fast establishing with vigorous seedling growth; maximum production can be achieved in the second year after establishment depending on planting year stand. Seed Finder Tool Project PlannerSwitch Grass is a beautiful native plant. Leafy, achieves moderate heights and is non-uniform. It has a long taproot that will grow 10 feet long or more. The following varieties are available in commercial quantities from Ernst Conservation Seeds, Inc. Common Yarrow. A female parent AP13 and male parent VS16 (an upland ecotype) were utilized for the construction of a genetic linkage map [ 18 ] and the identification of quantitative trait loci (QTL) associated with biomass yield and traits. 0% Heliopsis helianthoides, PA Ecotype (Oxeye Sunflower, PA Ecotype) 0. The cultivar “Heavy Metal” is steel blue in summer and grows up to 5 feet tall. . Exploring Potential U. Willick, Corresponding Author. 191–201. The seeding rate for switchgrass is 5–6 lb of pure live seed (PLS) per acre for forage and biomass crops. 2 Gallon. CV-271, PI 669371) switchgrass (Panicum virgatum L. S. The allele combination of the SNPs revealed that the transition mutations are more prevalent than the transversion mutations. Implementation of genomic selection could potentially enhance. Advanced searchIn the present paper, we report and discuss the results of two long-term trials in Greece (1998–2014) and Italy (1998–2010) comparing thirteen switchgrass varieties (including both lowlands and uplands, Table1). Renewable energy produced from plant biomass grown with ecologically sound practices can contribute to a more secure, environmentally sustainable and economically stable future 1. Carbohydrate contents were greater for the upland. B. Limonium carolinianum – Marsh rosemary. 2020 Central New York . cool-season grass first and let the switchgrass become stemmy. Fringed Bluestar, SC Ecotype. ) Heynh, Columbia-0 ecotype (Col-0), with the Agrobacterium-mediated floral dip method as described in (Bechtold and Pelletier, 1998). We applaud our nurseries for increasingly propagating plants from locally-collected seeds. Quick Links. Contact Form. New York Ironweed : 0. 0. Keywords: Switchgrass, Transcriptome, Ecotype, Photosynthesis, SNP markers Background Increasing emission of carbon dioxide into the atmos-phere from burning nonrenewable fossil fuels causes theSwitchgrass Cultivar/Ecotype Selection and Management for Biofuels in the Upper Southeast USA. e. ), perennial ryegrass (Lolium perenne L. It grows well in low-N soils, likely because of its ability to translocate N and to associate with N-fixing microbes, but little is known about variation in these traits among. How insect herbivory of switchgrass may be influenced by ecotype is poorly known, as previous work has focused on one ecotype at a time (Dowd and Johnson 2009; Prasifka et al. Conclusions: The gene ontology (GO) analysis of the transcriptome indicated lowland ecotype had. Ernst Conservation Seeds 8884 Mercer Pike Meadville, PA 16335 (800) 873-3321 [email protected]% Elymus virginicus, PA Ecotype (Virginia Wildrye, PA Ecotype) 8. Download scientific diagram | Lowland and upland switchgrass ecotypes. 2 g total structural carbohydrates/kg switchgrass, db. Add to Wishlist. 4% Schizachyrium scoparium, Fort Indiantown Gap-PA Ecotype (Little Bluestem, Fort Indiantown Gap-PA Ecotype) 18. $ 14. Comas, L. Fall color is pale yellow. Add to Project. Big Bluestem, Long Island-NY Ecotype. 2012 ). root biomass. Add to Wishlist. 5% Carex crinita, PA Ecotype (Fringed Sedge, PA Ecotype) 1. This study was designed to determine if: 1) switchgrass plants collected in the Long Island Sound Coastal Lowland coastal Level IV ecoregion represented local populations, and 2) switchgrass. Superior to 'Blackwell' and 'Cave-In-Rock' in the eastern U. Williams et al. | Panicum, Cultivar and Maize | ResearchGate, the professional network for scientists. Because there is a significant difference in ploidy, morphology,. Title: Northeastern US Roadside Native Seed Mix- #105 Author: Jim Created Date:Background: Switchgrass, a warm-season perennial grass studied as a potential dedicated biofuel feedstock, is classified into two main taxa – lowland and upland ecotypes – that differ in. 0% Sorghastrum nutans, PA Ecotype (Indiangrass, PA Ecotype) 8. Switchgrass is a large, perennial grass that is divided into two broad. The scope was to identify the most suitable ecotype within each environment and, possibly, the best performing variety. (switchgrass) is a native, perennial grass in North America with important ecological function in ecoregions including the Long Island Sound Coastal Lowland in the Northeastern United States.