Registration of ‘Axcella 2’ Annual Ryegrass

Nelson, L. R.; Crowder, J.; Chalmers, David Robert

doi:10.3198/jpr2006.09.0568crc

Cited by 2 publications

(1 citation statement)

References 5 publications

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“…Intercross has narrow leaves with dark‐green color but rolled leaf vernation, and roots were 93% fluorescent as determined by Turf Tech, Inc. (Tangent, Oregon). Plant characters that differentiate Intercross from recent Texas AgriLife Research releases are shown in Table 1 Intercross has fewer tillers per plant than ‘Panterra’ (Nelson et al, 2004) but about the same number as ‘Axcella’ (Nelson et al, 2001) and ‘Axcella 2’(Nelson et al, 2007). Intercross is 81 cm tall, which is shorter than Axcella and Panterra but taller than Axcella 2.…”

Section: Characteristicsmentioning

confidence: 99%

Registration of ‘Intercross’ Ryegrass

Nelson

Floyd²,

Crowder

2011

J of Plant Registrations

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I ntercross' PI 658507) is a turf-type, intermediate, transition-type ryegrass. Annual and perennial ryegrass are differentiated by three main and several minor characters. Annuals have awns and perennials do not. Root tips (10 d after germination) of annuals typically fl uoresce under a dark light, and those of perennials do not, and annuals have rolled leaf vernation whereas that of perennials is folded. When considering turfgrass, perennials are normally shorter with a dwarf phenotype, have narrower and shorter leaves, and have a darker-green leaf color. Perennials act as a perennial in a cooler envir o nm en t; h o w ev er , in T exas , perennials di e in J un e o r July, whereas annuals die in May. Therefore in overseeded warm-season turf, perennials often are too competitive and can damage the permanent warm-season turfgrass. Intermediates are derived from crossing an annual with a MethodsIntercross comes from a cross of Axcella × 01-ARG (intermediate) made by D.J. Floyd from Pickseed West, Inc., at Albany, Oregon, during the growing season of 2000-2001. In 2001 -2002 seed of the F 1 was grown in rows at Overton and allowed to cross-pollinate. In 2002-2003 this germplasm was grown as a space-plant population at Overton. Sixteen plants with dark-green leaves and good turf quality were transplanted to pots near the greenhouse for crosspollination. These plants were inoculated for crown rust, and 3 plants were susceptible and were removed, leaving 13 plants to cross-pollinate and produce seed, which was labeled TXR2004-TF-1. In 2003-2004, seed of TXR2004-TF-1 was sent to the Oregon State Seed Testing Laboratory and screened for root fl uorescence. Nonfl uorescent seedlings were returned to Overton and planted in a space-planted n urs e ry . P l an t s n o t exhi b i tin g g o o d turf ch ar a ct e ri s ti c s

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Section: Characteristicsmentioning

confidence: 99%

Registration of ‘Intercross’ Ryegrass

Nelson

Floyd²,

Crowder

2011

J of Plant Registrations

Self Cite

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Effect of thiamethoxam seed treatment in peanut

Monfort

Culbreath

Abney

et al. 2021

Crop Forage & Turfgrass Mgmt

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Tobacco thrips (Frankliniella fusca) and tomato spotted wilt (TSW) orthotospovirus (family Tospoviridae, genus Orthotospovirus) can reduce peanut (Arachis hypogaea L.) yield. Systemic insecticides are applied in the seed furrow at planting and to peanut foliage to reduce injury from tobacco thrips and decrease incidence of TSW. Research was conducted in Georgia, North Carolina, South Carolina, and Virginia in 2013 and 2014 to compare the effect of the following treatments on tobacco thrips feeding injury and expression of TSW in peanut: thiamethoxam seed treatment, thiamethoxam seed treatment followed by acephate 3 weeks after planting, phorate applied in the seed furrow at planting, and a nontreated check. Tobacco thrips feeding injury and TSW incidence were significantly higher in thiamethoxam and thiamethoxam followed by acephate-treated peanut than peanut treated with phorate. Thiamethoxan seed treatment followed by acephate resulted in significantly lower tobacco thrips feeding injury compared to thiamethoxam seed treatment alone. Yield of Virginia market type cultivars was greater when thiamethoxam was followed by acephate applied to peanut foliage or when phorate was applied compared with nontreated peanut or the seed treatment alone. Runner market type cultivars yielded higher when phorate was applied compared with nontreated peanut while peanut treated with thiamethoxam with or with acephate yielded similar to both of these treatments.

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Registration of ‘Axcella 2’ Annual Ryegrass

Cited by 2 publications

References 5 publications

Registration of ‘Intercross’ Ryegrass

Registration of ‘Intercross’ Ryegrass

Effect of thiamethoxam seed treatment in peanut

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