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Models for leaf area estimation in dwarf pigeon pea by leaf dimensions
Wartha, Cleiton Antonio; Pezzini, Rafael Vieira; Cargnelutti Filho, Alberto; Alves, Bruna Mendonça; Follmann, Diego Nicolau; Kleinpaul, Jéssica AndiaraThis study aims to determine the most suitable model to estimate the leaf area of dwarf pigeon pea in function of the leaf central leaflet dimension. Six samplings of 200 leaves were performed in the first experiment, at 36, 42, 50, 56, 64, and 72 days after emergence (DAE). In the second experiment, seven samplings of 200 leaves were performed at 29, 36, 43, 49, 57, 65, and 70 DAE, totaling 2600 leaves. The le...
Plot size related to numbers of treatments and replications, and experimental p...
Wartha, Cleiton Antonio; Cargnelutti Filho, Alberto; Lavezo, André; Bem, Cláudia Marques de; Carini, Fernanda; Schabarum, Denison EsequielThe aim of this study was to determine the optimum plot size to evaluate the fresh matter of aerial part of dwarf pigeon pea (Cajanus cajan (L.) Millsp), cultivar IAPAR 43 (Aratã), in scenarios formed by combinations of numbers of treatments, number of replications, and precision levels. The fresh matter of aerial part was weighed on basic experimental units of 1 m × 1 m in three uniformity trials with size of ...
Modelos de crescimento de cultivares de centeio
Kleinpaul, Jéssica AndiaraConselho Nacional de Pesquisa e Desenvolvimento Científico e Tecnológico - CNPq; The objectives of this study were to adjust the nonlinear models, Gompertz and Logistic, to describe the plant height, fresh matter of aerial and dry matter of aerial and indicate the model that best describes the growth of two rye cultivars, BRS Progresso and Temprano, in five sowing seasons. Ten uniformity trials were conducted w...
Tamanho de amostra para avaliar caracteres produtivos de linho
Cargnelutti Filho, Alberto; Alves, Bruna Mendonça; Facco, Giovani; Wartha, Cleiton Antonio; Kleinpaul, Jéssica Andiara; Neu, Ismael Mario MárcioO objetivo deste trabalho foi determinar o tamanho de amostra (número de cápsulas) necessário para a estimação da média de caracteres produtivos de linho (Linum usitatissimum L.), cultivar CDC Normandy, em níveis de precisão. Em área experimental de 15m×15m (225 m2) aos 137 dias após a semeadura, foram selecionadas, aleatoriamente, 300 plantas e coletada uma cápsula por planta. Em cada cápsula foram avaliados o...