Imidazolinone resistance, yield potential and agronomic performance of the irrigated rice cultivar BRS A706 CL

Rangel, Paulo Hideo Nakano; Colombari-Filho, José Manoel; Ferreira, Marcio Elias; Magalhães Junior, Ariano Martins de; Abreu, Guilherme Barbosa; Pereira, José Almeida; Cordeiro, Antônio Carlos Centeno; Fragoso, Daniel Brito; Furtini, Isabela Volpi; Fagundes, Paulo Ricardo Reis; Lacerda, Mábio Chrisley; Santiago, Carlos Martins; Castro, Adriano Pereira de

doi:10.1590/1984-70332022v22n3c30

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CULTIVAR RELEASE • Crop Breed. Appl. Biotechnol. 22 (3) • 2022 • https://doi.org/10.1590/1984-70332022v22n3c30 linkcopy

Imidazolinone resistance, yield potential and agronomic performance of the irrigated rice cultivar BRS A706 CL

Authorship SCIMAGO INSTITUTIONS RANKINGS

Cultivar BRS A706 CL is a new rice cultivar, resistant to herbicides of the chemical group of imidazolinones, with a yield potential of 15,635 kg ha^-1. It has intermediate maturation, lodging tolerance, the stay green trait, moderate rice blast resistance, a high milling yield and premium grain quality.

KEYWORDS:
Oryza sativa L.; herbicide resistance; grain yield; breeding; clearfield® production system

Authorship

person Paulo Hideo Nakano Rangel *

school Embrapa Arroz e Feijão, Rodovia GO 462, km 12, Zona Rural, 73575-000, Santo Antônio de Goiás, GO, Brazil. Embrapa Arroz e FeijãoBrazilSanto Antônio de Goiás, GO, Brazil Embrapa Arroz e Feijão, Rodovia GO 462, km 12, Zona Rural, 73575-000, Santo Antônio de Goiás, GO, Brazil.

0000-0002-5741-3426

person José Manoel Colombari-Filho

person Marcio Elias Ferreira

school Embrapa Recursos Genéticos e Biotecnologia, Avenida W5 Norte, Parque Estação Biológica, 70770-917, Brasília, DF, BrazilEmbrapa Recursos Genéticos e BiotecnologiaBrazilBrasília, DF, Brazil Embrapa Recursos Genéticos e Biotecnologia, Avenida W5 Norte, Parque Estação Biológica, 70770-917, Brasília, DF, Brazil

person Ariano Martins de Magalhães Junior

school Embrapa Clima Temperado, Rodovia BR 32, km 78, Monte Bonito, 96010-971, Pelotas, RS, BrazilEmbrapa Clima TemperadoBrazilPelotas, RS, Brazil Embrapa Clima Temperado, Rodovia BR 32, km 78, Monte Bonito, 96010-971, Pelotas, RS, Brazil

person Guilherme Barbosa Abreu

school Embrapa Cocais, Avenida São Luís Rei de França, 4, Turu, 65067-205, São Luís, MA, BrazilEmbrapa CocaisBrazilSão Luís, MA, Brazil Embrapa Cocais, Avenida São Luís Rei de França, 4, Turu, 65067-205, São Luís, MA, Brazil

person José Almeida Pereira

school Embrapa Meio Norte, Avenida Duque de Caxias, 5650, Buenos Aires, 64008-780, Teresina, PI, BrazilEmbrapa Meio NorteBrazilTeresina, PI, Brazil Embrapa Meio Norte, Avenida Duque de Caxias, 5650, Buenos Aires, 64008-780, Teresina, PI, Brazil

person Antônio Carlos Centeno Cordeiro

school Embrapa Roraima, Rodovia BR 174, km 8, Distrito Industrial, 69301-970, Boa Vista, RR, BrazilEmbrapa RoraimaBrazilBoa Vista, RR, Brazil Embrapa Roraima, Rodovia BR 174, km 8, Distrito Industrial, 69301-970, Boa Vista, RR, Brazil

person Daniel Brito Fragoso

school Embrapa Pesca e Aquicultura, Avenida NS 10, cruzamento com Avenida LO 18, Água Fria, 77008-900, Palmas, TO, BrazilEmbrapa Pesca e AquiculturaBrazilPalmas, TO, Brazil Embrapa Pesca e Aquicultura, Avenida NS 10, cruzamento com Avenida LO 18, Água Fria, 77008-900, Palmas, TO, Brazil

person Isabela Volpi Furtini

school Embrapa Agrossilvipastoril, Rodovia MT 222, km 2,5, Zona Rural, 7550-970, Sinop, MT, BrazilEmbrapa AgrossilvipastorilBrazilSinop, MT, Brazil Embrapa Agrossilvipastoril, Rodovia MT 222, km 2,5, Zona Rural, 7550-970, Sinop, MT, Brazil

person Paulo Ricardo Reis Fagundes

person Mábio Chrisley Lacerda

school Embrapa Arroz e Feijão, Escritório Técnico, Rodovia GO 462, 74230-045, Goiânia, GO, BrazilEmbrapa Arroz e FeijãoBrazilGoiânia, GO, Brazil Embrapa Arroz e Feijão, Escritório Técnico, Rodovia GO 462, 74230-045, Goiânia, GO, Brazil

person Carlos Martins Santiago

person Adriano Pereira de Castro

* E-mail:
paulo.hideo@embrapa.br

SCIMAGO INSTITUTIONS RANKINGS

Embrapa Arroz e Feijão, Rodovia GO 462, km 12, Zona Rural, 73575-000, Santo Antônio de Goiás, GO, Brazil. Embrapa Arroz e FeijãoBrazilSanto Antônio de Goiás, GO, Brazil Embrapa Arroz e Feijão, Rodovia GO 462, km 12, Zona Rural, 73575-000, Santo Antônio de Goiás, GO, Brazil.

Embrapa Recursos Genéticos e Biotecnologia, Avenida W5 Norte, Parque Estação Biológica, 70770-917, Brasília, DF, BrazilEmbrapa Recursos Genéticos e BiotecnologiaBrazilBrasília, DF, Brazil Embrapa Recursos Genéticos e Biotecnologia, Avenida W5 Norte, Parque Estação Biológica, 70770-917, Brasília, DF, Brazil

Embrapa Clima Temperado, Rodovia BR 32, km 78, Monte Bonito, 96010-971, Pelotas, RS, BrazilEmbrapa Clima TemperadoBrazilPelotas, RS, Brazil Embrapa Clima Temperado, Rodovia BR 32, km 78, Monte Bonito, 96010-971, Pelotas, RS, Brazil

Embrapa Cocais, Avenida São Luís Rei de França, 4, Turu, 65067-205, São Luís, MA, BrazilEmbrapa CocaisBrazilSão Luís, MA, Brazil Embrapa Cocais, Avenida São Luís Rei de França, 4, Turu, 65067-205, São Luís, MA, Brazil

Embrapa Meio Norte, Avenida Duque de Caxias, 5650, Buenos Aires, 64008-780, Teresina, PI, BrazilEmbrapa Meio NorteBrazilTeresina, PI, Brazil Embrapa Meio Norte, Avenida Duque de Caxias, 5650, Buenos Aires, 64008-780, Teresina, PI, Brazil

Embrapa Roraima, Rodovia BR 174, km 8, Distrito Industrial, 69301-970, Boa Vista, RR, BrazilEmbrapa RoraimaBrazilBoa Vista, RR, Brazil Embrapa Roraima, Rodovia BR 174, km 8, Distrito Industrial, 69301-970, Boa Vista, RR, Brazil

Embrapa Pesca e Aquicultura, Avenida NS 10, cruzamento com Avenida LO 18, Água Fria, 77008-900, Palmas, TO, BrazilEmbrapa Pesca e AquiculturaBrazilPalmas, TO, Brazil Embrapa Pesca e Aquicultura, Avenida NS 10, cruzamento com Avenida LO 18, Água Fria, 77008-900, Palmas, TO, Brazil

Embrapa Agrossilvipastoril, Rodovia MT 222, km 2,5, Zona Rural, 7550-970, Sinop, MT, BrazilEmbrapa AgrossilvipastorilBrazilSinop, MT, Brazil Embrapa Agrossilvipastoril, Rodovia MT 222, km 2,5, Zona Rural, 7550-970, Sinop, MT, Brazil

Embrapa Arroz e Feijão, Escritório Técnico, Rodovia GO 462, 74230-045, Goiânia, GO, BrazilEmbrapa Arroz e FeijãoBrazilGoiânia, GO, Brazil Embrapa Arroz e Feijão, Escritório Técnico, Rodovia GO 462, 74230-045, Goiânia, GO, Brazil

Figures | Tables

Figures (2)
Tables (1)

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Figure 1. Development of cv BRS A706 CL. Cultivar BRS Catiana was used as recurrent parent in the backcross program. The imidazolinone resistance gene was introgressed from cv Puitá INTA-CL, used as donor parent. Sources of blast resistance are highlighted in yellow (Cica 4, Cica 8, Colombia 1, IR 665, Metica 1, Peta, Tadukan and Tetep).

Thumbnail

Figure 2 Mean grain yield (kg ha^-1) of cv BRS A706 CL and controls, in the trials of Value for Cultivation and Use (VCU) in the growing seasons of 2017/18 (15 locations), 2018/19 (17 locations) and 2020/21 (8 locations), in the States of Goiás, Maranhão, Piauí, Rio Grande do Sul, Roraima and Tocantins. Within each cluster, means followed by the same letter do not differ significantly by the Tukey test, at 5% probability.

Thumbnail

Table 1 Agronomic performance of BRS A706 CL and controls: 1) Means of agronomic traits in the trials of Value for Cultivation and Use (VCU) in the growing seasons of 2017/18 (15 locations), 2018/19 (17 locations), and 2020/ 21 (8 locations), in Goiás, Maranhão, Piauí, Rio Grande do Sul, Roraima and Tocantins. 2) Resistance to blast: means of leaf blast recorded in the VNB (Viveiro Nacional de Brusone) trials, carried out in 40 environments, in the 2017/18, 2018/19 and 2020/21 growing seasons. 3) Means of grain quality parameters recorded in VCU trials in the 2020/21 growing season, in Goiás and Tocantins; and in the VNQ (National Grain Quality Nursery) trials, at the Experimental Station Fazenda Palmital, Embrapa Rice and Beans, Goianira/GO, in the 2018/19 and 2020/21 growing seasons

imageFigure 1. Development of cv BRS A706 CL. Cultivar BRS Catiana was used as recurrent parent in the backcross program. The imidazolinone resistance gene was introgressed from cv Puitá INTA-CL, used as donor parent. Sources of blast resistance are highlighted in yellow (Cica 4, Cica 8, Colombia 1, IR 665, Metica 1, Peta, Tadukan and Tetep). open_in_new

imageFigure 2 Mean grain yield (kg ha^-1) of cv BRS A706 CL and controls, in the trials of Value for Cultivation and Use (VCU) in the growing seasons of 2017/18 (15 locations), 2018/19 (17 locations) and 2020/21 (8 locations), in the States of Goiás, Maranhão, Piauí, Rio Grande do Sul, Roraima and Tocantins. Within each cluster, means followed by the same letter do not differ significantly by the Tukey test, at 5% probability. open_in_new

table_chartTable 1 Agronomic performance of BRS A706 CL and controls: 1) Means of agronomic traits in the trials of Value for Cultivation and Use (VCU) in the growing seasons of 2017/18 (15 locations), 2018/19 (17 locations), and 2020/ 21 (8 locations), in Goiás, Maranhão, Piauí, Rio Grande do Sul, Roraima and Tocantins. 2) Resistance to blast: means of leaf blast recorded in the VNB (Viveiro Nacional de Brusone) trials, carried out in 40 environments, in the 2017/18, 2018/19 and 2020/21 growing seasons. 3) Means of grain quality parameters recorded in VCU trials in the 2020/21 growing season, in Goiás and Tocantins; and in the VNQ (National Grain Quality Nursery) trials, at the Experimental Station Fazenda Palmital, Embrapa Rice and Beans, Goianira/GO, in the 2018/19 and 2020/21 growing seasons

Cultivars	1) VCU - Agronomic traits								2) Resistance to rice blast			3) Grain quality
Cultivars	DF	PH	LO	LB	NB	BS_P	ESC	GS_P	¹M	¹MSc	¹F≤3 (%)	L	W	L/W	CHI	WGY	AAC	GT
BRS A706 CL	96	99	1.0	2.1	2.2	2.2	2.1	2.2	2.35	8.00	76	7.24	1.88	3.84	12.9	66.8	23.9(I)	7(B)
BRS Catiana	96	97	1.0	2.2	1.9	2.0	2.2	2.1	2.45	7.00	70	-	-	-	-	-	-	-
BRS Pampeira	96	102	1.2	2.1	2.1	1.9	2.2	2.0	2.21	8.00	72	7.13	1.94	3.68	12.9	67.5	23.0(I)	7(B)
IRGA 424 RI	96	102	1.2	2.1	2.1	1.9	2.2	2.0	3.47	9.00	53	6.67	1.96	3.41	15.5	67.8	24.9(I)	7(B)

Agronomic Traits: DF: days to flowering (days); PH: plant height (cm); LO: lodging (scores from 1 “all plants upright” to 9 “all plants bent over”); and LB, NB, BSp, ESC and GSp: reaction to leaf and neck blast, brown spot, leaf scald and grain spot, respectively (scores from 1 “absence or low disease symptoms” to 9 “very high disease symptoms”). Blast resistance: means (M), maximum scores (MSc) and frequencies of scores ≤3 (F≤3) of leaf blast. ¹Scores from 0 to 9, with 0 for plots with “no symptoms” and 9 for plots with “disease symptoms on more than 50% of the leaf area” (Pinheiro et al. 2009). Grain Quality: L, W and L/W: grain length (L) and width (W) and L/W ratio, respectively; CHI: chalkiness index (%); WGY: percentage of whole grains (%); AAC: apparent amylose content (%, I “intermediate”); GT: gelatinization temperature (scores, B “low”).

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