| Journal: | Acta scientiarum. Agronomy |
| Database: | PERIÓDICA |
| System number: | 000459950 |
| ISSN: | 1679-9275 |
| Authors: | Ramos, João Paulo de Farias2 Macêdo, Alberto Jefferson da Silva1 Santos, Edson Mauro2 Edvan, Ricardo Loiola3 Sousa, Wandrick Hauss de4 Perazzo, Alexandre Fernandes2 Silva, Anderson Samuel2 Cartaxo, Felipe Queiroga4 |
| Institutions: | 1Universidade Federal de Campina Grande, Centro de Saude e Tecnologia Rural, Patos, Paraiba. Brasil 2Universidade Federal da Paraiba, Centro de Ciencias Agrarias, Areia, Paraiba. Brasil 3Universidade Federal do Piaui, Departamento de Zootecnia, Bom Jesus, Piaui. Brasil 4Empresa Paraibana de Pesquisa, Extensao Rural e Regulacao Fundiaria, Joao Pessoa, Paraiba. Brasil |
| Year: | 2021 |
| Volumen: | 43 |
| Country: | Brasil |
| Language: | Inglés |
| Document type: | Artículo |
| Approach: | Experimental, analítico |
| English abstract | The objective of this study was to evaluate the forage yield and morphological responses of 34 cactus pear (Nopalea cochenillifera and Opuntia ficus indica) genotypes. The genotypes were planted in a randomized complete block design, with 34 treatments and three replicates. After 330 days of cultivation, morphological characteristics, plant mortality and pest and disease occurrence on the plants were assessed, and plant cutting was performed. Multivariate analyses were performed to assign the 34 cactus genotypes to homogenous groups. The average Euclidian distance was adopted as a dissimilarity measurement for use with the standardized data Variables with relatively high levels of independence among the agronomic categories and with biological importance to animal nutrition and forage yield were assessed. To identify associative effects, Pearson’s correlation analysis was performed among all the studied variables. The formation of five distinct groups was observed, and some morphological responses correlated with the productivity characteristics. Green mass production was positively correlated with dry mass production, water accumulation, water-use efficiency, water accumulation and cladode number per plant. The following genotypes had remarkably high yields of dry and green mass, a greater ability to accumulate water and relatively high water-use efficiency and support capacity: Negro Michoacan (V07), Tamazunchale (V12), California (V14), Orelha de Elefante Mexicana (V17), and Amarillo 2289 (T32) |
| Disciplines: | Agrociencias |
| Keyword: | Plantas para uso industrial, Opuntia ficus indica, Nopalea cochenillifera, Cactaceae, Masa seca, Producción agrícola, Forraje, Morfología vegetal, Genotipos |
| Keyword: | Plants for industrial use, Opuntia ficus indica, Nopalea cochenillifera, Cactaceae, Dry matter, Agricultural production, Feedstuff, Plant morphology, Genotypes |
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