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- Title
Características agronômicas de variedades de Opuntia cochenillifera e Nopalea cochenillifera sob diferentes densidades de plantio.
- Authors
Samuel Silva, Anderson; Mauro Santos, Edson; de Farias Ramos, João Paulo; Fernandes Perazzo, Alexandre; Sousa Muniz, Ana Cecília; de Sousa Santos, Francisco Naysson; Marte Pereira, Danillo; de Lima Cruz, Gabriel Ferreira
- Abstract
Good management of forage cactus is of paramount importance for satisfactory development and to obtain high yields of forage palm. It is noteworthy that ideal management practices enable the plant to express its best yield potential, especially in regions with high production seasonality and rainfall irregularities such as the Brazilian semiarid. The objective of this study was to evaluate the influence of planting density on two forage cactus varieties of genera Nopalea and Opuntia for morphological and productive characteristics. The experiment was carried out in a randomized block design with three replications, in a 2 x 2 factorial arrangement, composed of two planting densities: 40,000 and 20,000 plants ha-1 and two forage cactus varieties: Palmepa-PB01 and Palmepa-PB04 (Nopalea cochinilifera and Opuntia ficus indica, respectively). There was interaction between the factors densities and varieties for TLA, GAL and CAI. The variety Palmepa-PB01 presented average of 62.33 and 71.33 cm for plant height and width, respectively, presenting values 33% and 32% higher than Palmepa-PB04 in the lower planting density. The highest plant density had an CAI of 2.01 m² m-2, with a value of 54.22% in relation to the density of 20.000 plants ha-1 which presented 0,92 m² m-2. The planting density of 20.000 plants ha-1 was 19% higher compared to the density of 40.000 plants ha-1 for PMV. Varieties and densities had no effect on cladode number in any order of appearance on the plant or on PMS. The inherent characteristics of genotype and planting density influence the morphology and yield of forage cactus. The Palmepa-PB01 variety is more productive in lower density planting.
- Subjects
PLANT spacing; OPUNTIA ficus-indica; OPUNTIA; BLOCK designs; CACTUS; FORAGE; COMPUTER assisted instruction
- Publication
Colloquium Agrariae, 2019, Vol 15, Issue 6, p88
- ISSN
1809-8215
- Publication type
Article
- DOI
10.5747/ca.2019.v15.n6.a340