Registration of ‘L 11‐183’ sugarcane

Pontif, M. J.; Kimbeng, C. A.; Bischoff, K. P.; Gravois, K. A.; LaBorde, C. M.; Hawkins, G. L.; Sexton, D. R.; Hoy, J. W.; Baisakh, Niranjan; Wilson, B. H.; Orgeron, Albert J.; Todd, James; Waguespack, Herman

doi:10.1002/plr2.20136

Cited by 6 publications

(13 citation statements)

References 23 publications

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“…A detailed description of the program, including selection criteria used for each stage, can be found in Bischoff and Gravois (2003) and Pontif et al. (2021, 2022).…”

Section: Methodsmentioning

confidence: 99%

“…Data were collected from the on‐station nursery trials as described in Bischoff and Gravois (2003) and Pontif et al. (2021, 2022) from 2015 (plant cane) to 2017 (second ratoon cane).…”

Section: Methodsmentioning

confidence: 99%

“…Laboratory analysis for quality characteristics, including fiber content (%), juice Brix, and optical rotation (Z°), was performed at the USDA‐ARS laboratory facility using core laboratory methods (Gravois & Milligan, 1992; Legendre, 1992). Prior to this stage, all laboratory analyses for quality characteristics were performed at the LSU AgCenter's Sugar Research Station sucrose laboratory via near‐infrared spectroscopy using SpectraCane 400 integrated with a Bruker Matrix‐F Fourier transform near‐infrared spectrometer (Bruker Optics Inc.) (Pontif et al., 2021).…”

Section: Methodsmentioning

confidence: 99%

“…Superscript a and b denote lineage from recent introgression using Saccharum spontanuem clones SES 6, from India, and US 56-15-8, from Thailand, respectively. criteria used for each stage, can be found in Bischoff and Gravois (2003) and Pontif et al (2021Pontif et al ( , 2022.…”

Section: Crossing and Early-stage Selectionmentioning

confidence: 99%

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Registration of ‘L 14‐267’ sugarcane

Pontif

Kimbeng

Gravois

et al. 2023

J of Plant Registrations

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L 14-267' (Reg. no. CV-213, PI 701487) sugarcane (Saccharum spp. hybrid) was released for commercial production in Louisiana because of its high yield potential and broad-spectrum disease resistance. The final testing stage resulted in data from 62 trials at 12 representative sandy silt (light-textured) and clayey (heavy-textured) soil locations. Cane yield of L 14-267 was comparable to that of 'L 01-299', the most widely grown cultivar in the Louisiana sugar industry, in the plant and first ratoon crops but significantly lower in the second ratoon crop. Sucrose content was significantly higher in L 14-267 than in L 01-299 in the plant and first ratoon crops and was comparable to that of L 01-299 in the second ratoon crop. Sugar yield was significantly higher in L 14-267 than in L 01-299 in the plant crop, comparable in the first ratoon crop but significantly lower in the second ratoon crop. The performance of L 14-267 did not differ significantly between the two soil types for any of the traits. L 14-267 is a mid-to late-season maturing cultivar that appears to respond well to plant growth regulators but poorly to sub-freezing temperatures. L 14-267 displayed broad-spectrum disease resistance, being resistant to mosaic, yellow leaf, smut, and ratoon stunt and moderately resistant to brown rust and leaf scald. L 14-267 is moderately susceptible to the sugarcane borer and the Mexican rice borer. INTRODUCTIONSugarcane (Saccharum spp. hybrid) is a tall perennial grass of tropical origin that is cultivated for its ability to store sucrose in its stalks. Cultivated in more than 100 countries (FAOSTAT, 2020), sugarcane is a crop of great economic significance in many regions of the world and accounts Abbreviations: ASCL, American Sugar Cane League of the U.S.A. Inc.; LSU, Louisiana State University; RT-PCR, reverse transcription polymerase chain reaction.

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“…A detailed description of the program, including selection criteria used for each stage, can be found in Bischoff and Gravois (2003) and Pontif et al. (2021, 2022).…”

Section: Methodsmentioning

confidence: 99%

“…Data were collected from the on‐station nursery trials as described in Bischoff and Gravois (2003) and Pontif et al. (2021, 2022) from 2015 (plant cane) to 2017 (second ratoon cane).…”

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Crossing and Early-stage Selectionmentioning

confidence: 99%

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Registration of ‘L 14‐267’ sugarcane

Pontif

Kimbeng

Gravois

et al. 2023

J of Plant Registrations

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“…A ∼800‐bp allelic fragment generated by CA120853 was uniquely present in L 12‐201, its female parent, and Ho12‐615. On the other hand, a ∼765‐bp fragment amplified by LAPS0252 was uniquely present in L 12‐201 and both of its parents along with ‘L 11‐183’ (Pontif et al., 2021), ‘HoCP 04‐838’, and ‘LCP 85‐384’. Similarly, a ∼1,125‐bp fragment generated by SCES0890 was present in L 12‐201, its male parent, and three recently released cultivars (Ho 12‐615, ‘Ho 13‐739’, and L 11‐183).…”

Section: Characteristicsmentioning

confidence: 99%

Registration of ‘L 12‐201’ sugarcane

Pontif

Kimbeng

Gravois

et al. 2022

J of Plant Registrations

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PI 699125) sugarcane (an interspecific hybrid of Saccharum spp.) was released on 10 Apr. 2019 for commercial production in the Louisiana sugar industry. L 12-201 was derived from a cross between the female parent 'L 97-128' and the male parent 'HoCP 96-540'. Early-stage selection through the seedling and two unreplicated clonal stages by researchers at the Louisiana State University Agricultural Center culminated in the assignment of a permanent varietal designation in 2012. Thereafter, the experimental variety was further evaluated cooperatively with personnel from the USDA-ARS at Houma and the American Sugar Cane League, Inc., at Thibodaux, LA, through several stages at multiple locations. In the final testing stage, data were collected from 60 replicated, combine-harvested trials at 12 representative light-and heavy-textured soil locations. Averaged across the plant-cane crop, the sucrose content, cane yield, and sugar yield were significantly (P < .05) higher in L 12-201 than in 'L 01-299', the most widely grown cultivar in the Louisiana sugar industry. In the first-and second-ratoon crops, L 12-201 had significantly (P < .05) less cane yield and sugar yield than L 01-299, but sucrose content was not significantly different between L 12-201 and L 01-299. When averaged across the light-textured versus heavy-textured soil locations, no significant differences in performance were found for L 12-201 in any of the traits measured. The new cultivar had a lower stalk population and greater stalk weight compared with L 01-299, especially in the ratoon crops. L 12-201 is a mid-maturing cultivar. Whenever possible, L 12-201 should be harvested before the arrival of subfreezing temperatures because it is among the least cold tolerant cultivars in the industry. L 12-201 is resistant to sorghum mosaic, smut, leaf scald, and ratoon stunt; moderately resistant to brown rust; and susceptible to yellow leaf and the sugarcane borer.

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Five decades of productivity gains in the Louisiana sugar industry

Blanchard,

Taylor,

Pontif

et al. 2023

Crop Science

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This study analyzed trends across five decades of productivity data from the Louisiana Sugar Industry, from 1969 to 2021, for sucrose content, cane yield, and sugar yield. Trends over the five decades were revealed using robust regression models, and the least square means allowed for decade‐wise comparisons of trends. Sucrose content increased 45%, from 80.9 ± 6.4 g kg−1 in the first (1969‐1979) to 116.7 ± 4.8 g kg−1 in the fifth (2010‐2021) decade, at 0.85 ± 0.06 g kg−1 per year. Cane yield increased slower (32.2%), from 57.7 ± 5.9 Mg ha −1 in the first to 76.3 ± 6.3 Mg ha−1 in the fifth decade, at 0.45 ± 0.07 Mg ha−1 per year. Sugar yield increased 93% from the first (4.6 ± Mg ha−1) to the fifth (8.9 ± 0.76 Mg ha−1) decade at 0.1 ± 0.01 Mg ha−1 per year. The gains were neither significant nor consistent when comparing successive decades, incremental rather than rapid, and maintained once achieved. Significant (p < 0.05) gains in all traits occurred only in the third decade (1990‐1999) with yearly increases of 1.15 ± 0.30 g kg−1 for sucrose content, 3.00 ± 0.27 Mg ha −1 for cane yield, and 0.35 ± 0.05 Mg ha−1 for sugar yield. Comparisons of trait means between successive decades found both significant (p < 0.05) and non‐significant (p > 0.05) differences, however, comparisons between non‐contiguous decades were all significant (p < 0.05). Variety development accounted for 60% of the progress with sucrose content contributing more (10% more) compared with cane yield. The Louisiana sugar industry has experienced substantial productivity gains in the last five decades thanks to a combination of factors with variety development being the most impactful.This article is protected by copyright. All rights reserved

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Registration of ‘L 11‐183’ sugarcane

Cited by 6 publications

References 23 publications

Registration of ‘L 14‐267’ sugarcane

Registration of ‘L 14‐267’ sugarcane

Registration of ‘L 12‐201’ sugarcane

Five decades of productivity gains in the Louisiana sugar industry

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