This work aimed to identify elite lineages and cultivars of special grains with better agronomic performance, adaptability and productivity stability at different growing seasons in the state of Minas Gerais, Brazil

BRITO, O. G.

CARNEIRO, J. E. de S.

CARVALHO, A. J. de

FARIA, L. C. de

GUERRA, J. V. S.

LACERDA, M. L.

MARTINS, M.

MEDEIROS, J. C.

MELO, L. C.

MOREIRA, J. A. A.

OLIVEIRA, M. B. de

PEREIRA, H. S.

SOUZA, A. A. de

SOUZA, T. L. P. O.

SOUZA, V. B. de

English

Repository Open Access to Scientific Information from Embrapa

ADAPTABILITY AND STABILITY OF ELITE LINEAGES AND COMMON BEAN CULTIVARS OF SPECIAL GRAINS IN DIFFERENT SEASONS OF CULTIVATION IN MINAS GERAIS, BRAZIL  O.G. Brito1, A.J. de Carvalho2, V.B. de Souza3, M.B. de Oliveira2, T.L.P.O. Souza4, J.E. de S. Carneiro5, J.A.A. Moreira5, M. Martins7, L.C. Melo4, L.C. Faria4, H.S. Pereira4, J.C. Medeiros2, M.L. Lacerda2, A.A. de Souza2, J.V.S. Guerra2  1Universidade Federal dos Vales do Jequitinhonha e Mucuri, 2Universidade Estadual de Montes Claros, 3Universidade Estadual de Maringá, 4Embrapa Arroz e Feijão, 5Universidade Federal de Viçosa, 6Embrapa Milho e Sorgo, 7Universidade Federal de Uberlândia. Corresponding author: vanetbatista@yahoo.com.br  INTRODUCTION: The special beans comprise beans of Andean and Mesoamerican origin and present varied colors, sizes and shapes. In Brazil the beans Mesoamerican are more consumed especially the type Carioca and Black. The Andean beans produced in Brazil meet a growing demand for beans for export, with type of large and shiny grains favorite in the international market. Common bean is cultivated under different edaphoclimatic conditions, such as different seasons and planting systems, and this crop variation directly affects the selection processes of lineages in breeding programs. Cultivars with predictable behavior that best respond to environmental variations can be identified from the adaptability / stability analysis, both in specific and broad conditions (Cruz & Regazzi, 2003). This work aimed to identify elite lineages and cultivars of special grains with better agronomic performance, adaptability and productivity stability at different growing seasons in the state of Minas Gerais, Brazil.  MATERIAL AND METHODS: The experiments were carried out in the cities of Sete Lagoas, Uberlândia, Janaúba and Jaíba, in the seasons of spring-summer (october-november), summer-fall (february-march) and fall-winter (april-june) seasons (VIEIRA et al., 2006) between the years of 2010 and 2013. Twelve lineages and four cultivars were evaluated in nine environments (place / season / year combinations), four in the fall-winter season, three in the summer-fall and two in the spring-summer. The grain productivity data were submitted to the analysis of variance for each growing season and, when significant, the averages of the lineages and cultivars were compared by the Scott-Knott group method at 5% significance. The analysis of adaptability and stability of lineage productivity was performed by the method of Annicchiarico (1992), which is based on the recommendation index of the genotype (ωi), estimated by the equation ωi = μi – z (1-α) σzi, where: μi is the average of genotype i (%); σzi is the standard deviation of the Zij values associated with the i-th genotype; z(1 α) is the percentile of the standard normal distribution function. The coefficient of confidence adopted was 75%, that is, α = 0.25. Adaptable / stable genotypes present ωi higher than 100%. For the analysis, the GENES program was used (CRUZ, 2013).  RESULTS AND DISCUSSION: Considering the recommendation index of the genotype (ωi) and the lineages productivity (Table 1), it was observed that in the winter season the best adaptability and stability were CNFRx 15275 (115.39%), Jalo EEP (115.35%) and PT-68 (107.60%) and BRS Radiante (103.38%). In the water season, the best performance lineages were VR-18 (157.03%), CNFRx 15275 (151.06%), BRS Vereda (149.67%), VR-16 (123.71%) and BRS Timbo (114.43%). For the dry season, RC2RAD-155 (11.05%), VR-18 (107.76%), CNFRx 15275 (107.09%), BRS Vereda (120.86%) and BRS Radiante (113.62%) stood out. The lineage CNFRx 15275 showed high productivity, adaptability and stability in all growing seasons.   119TABLE 1. Grain productivity and adaptability and stability parameters estimates for elite lineages and common bean cultivars of especial grains classes in the three growing seasons in Minas Gerais, Brazil. GENOTYPE Class**  Productivity (kg ha-1)   Annicchiarico Spring-Summer Summer-Fall Fall-winter  ωi /2 C/3 ωi         C ωi  C Spring-Summer Summer-Fall Fall-winter CNFR × 15275 Rx 2600 Aa/1 1682 Ba 1665 Ba  115.39 1 151.06 2 107.09 5 JALO EEP M.J 2506 Aa 849 Bb 1285 Ba  115.35 2 86.94 7 72.96 14 PT-68 Rs 2288 Aa 903 Bb 1236 Ba  107.60 3 67.13 11 73.15 13 BRS RADIANTE M.R 2249 Aa 446 Bb 1660 Aa  103.38 4 33.80 16 113.62 2 RC2RAD-155 M.R 2127 Aa 868 Bb 1678 Aa  93.84 9 94.01 6 111.05 3 BRS VEREDA Rs 2072 Aa 1384 Aa 1823 Aa  95.03 8 149.67 3 120.86 1 VR-16 Vr 2061 Aa 1291 Ba 1293 Ba  98.16 5 123.71 4 80.72 12 VR-14 Vr 2039 Aa 828 Bb 1396 Ba  95.80 7 83.45 8 89.23 9 BRS TIMBO Rx 2024 Aa 1141 Ba 1168 Ba  96.80 6 114.43 5 68.28 15 CNFJ 15288 M.J 1995 Aa 534 Bb 1588 Aa  93.32 10 55.02 13 86.40 11 VR-18 Vr 1986 Aa 1719 Aa 1581 Aa  83.46 14 157.03 1 107.76 4 RAD/E550-284 M.R 1972 Aa 323 Bb 984 Ba  90.94 11 34.28 15 62.99 16 PT-65 Rs 1928 Aa 501 Bb 1451 Aa  89.87 12 46.41 14 95.89 7 VR-15 Vr 1860 Aa 701 Bb 1337 Aa  85.93 13 66.78 12 88.52 10 VR-17 Vr 1811 Aa 813 Bb 1448 Aa  78.62 16 81.73 9 94.15 8 OURO VER.* Vr 1786 Aa 705 Bb 1474 Aa   81.34 15 75.35 10 97.54 6 CV (%)/4  18.98 20.08 17.98     Average (kg ha-1)   2081 918 1441         * Red Gold; ** Commercial class (Rx: Purple / M.J: Manteigão Jalo / M.R Manteigão Rajado / Rs: Light Pink / Vr: Red); 1/Averages followed by the same letter, uppercase and lowercase in the column, do not differ by Scott-Knott's test at 5% significance; 2/ωi = recommendation index of the genotype; 3/Classification; 4/Coefficient of variation. The behavior of the climatic factors in different harvests may have affected the behavior of the differentiated of the lineages, besides the genetic differences. High temperatures, for example, promote floral abortion, and consequently reduction of productivity (PEREIRA et al., 2014), directly affecting the parameters of adaptation and stability.  REFERENCES ANNICCHIARICO. P. Cultivar adaptation and recommendation from alfafa trials in Northern Italy. Journal of Genetics and Breeding. v. 46. n. 1. p. 269-278. 1992. CRUZ. C. D. GENES - a software package for analysis in experimental statistics and quantitative genetics. Acta Scientiarum. Agronomy. Maringá. v. 35. n. 3. p. 271-276. 2013. CRUZ, C. D.; REGAZZI, A. J. Modelos biométricos aplicados ao melhoramento genético. 2. ed. rev. Viçosa: UFV, 2003. PEREIRA, V.G.C.; GRIS, D.J.; MARANGONI, T.; FRIGO, J.P.; AZEVEDO, K.D.; GRZESIUCK, A.E. Exigências Agroclimáticas para a Cultura do Feijão (Phaseolus vulgaris L.). Revista Brasileira de Energias Renováveis, v. 3, 2014. VIEIRA, C.; PAULA JR., T.J.; BORÉM, A. (eds.) Feijão. 2ed. amp./rev. Viçosa, Editora UFV, 2006. 600p.   120

Adaptability and stability of elite lineages and common bean cultivars of special grains in different seasons of cultivation in Minas Gerais, Brazil.

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Adaptability and stability of elite lineages and common bean cultivars of special grains in different seasons of cultivation in Minas Gerais, Brazil.

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