características agronômicas e culinárias de clones de mandioca agronomic and culinary traits of several cassava (manihot esculenta crantz) clones
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1988
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Abstract
Em Campinas, SP, nos anos agrícolas de 1982/83, 1983/84 e 1984/85, avaliaram-se oito diferentes clones de mandioca (Manihot esculenta Crantz) selecionados para mesa quanto à produtividade de raízes e ramas, índice de colheita, cozimento culinário, teor de ácido cianídrico e cor da polpa das raízes. Os experimentos, instalados no início das chuvas (setembro/outubro) e colhidos nove meses após o plantio, foram conduzidos em blocos ao acaso com quatro repetições. Entre o material estudado, os clones IAC 59-210, de polpa branca (obtido por autofecundação do cv. IAC Mantiqueira) e IAC 289-70, de polpa amarela (originário do cruzamento do cv. SRT 797 - Ouro do Vale, com o cv. SRT 1 - Vassourinha Paulista), mostraram, no conjunto de caracteres avaliados, o melhor comportamento, superando o 'IAC Jaçanã' e o 'IAC 14-18', utilizados como testemunhas. O clone IAC 289-70 destacou-se pela facilidade de cozimento culinário, baixa concentração de HCN, alto índice de colheita, produtividade média de 18,7 t/ha e polpa amarela das raízes, indicando a presença de pigmentos carotenóides. A característica mais relevante do IAC 59-210 foi a maior produtividade média, 20,6 t/ha, em magnitude.
Eight cassava (Manihot esculenta Crantz) clones were evaluated concerning root yields and other traits during three growing seasons (1982/83, 1983/84 and 1984/85), in Campinas, State of São Paulo, Brazil. Field trials were carried out in completely randomized block designs with four replications. The plants were harvested nine months after planting. The clones IAC 59-210 (derived from self-fertilization of 'IAC Mantiqueira'), and IAC 289-70 (obtained from SRT 797 -'Ouro do Vale' x SRT 1 -'Vassourinha Paulista' crossing), were superior for most of the traits studied, when compared to two commercial varieties used as control. IAC 289-70 presented low cooking time, low HCN levels, high harversting index, average yield of 18.7 t/ha and yellow pulp of roots, indicating the presence of carotenoid pigments. 'IAC 59-210' presented the highest average yield (20.6 t/ha).
Eight cassava (Manihot esculenta Crantz) clones were evaluated concerning root yields and other traits during three growing seasons (1982/83, 1983/84 and 1984/85), in Campinas, State of São Paulo, Brazil. Field trials were carried out in completely randomized block designs with four replications. The plants were harvested nine months after planting. The clones IAC 59-210 (derived from self-fertilization of 'IAC Mantiqueira'), and IAC 289-70 (obtained from SRT 797 -'Ouro do Vale' x SRT 1 -'Vassourinha Paulista' crossing), were superior for most of the traits studied, when compared to two commercial varieties used as control. IAC 289-70 presented low cooking time, low HCN levels, high harversting index, average yield of 18.7 t/ha and yellow pulp of roots, indicating the presence of carotenoid pigments. 'IAC 59-210' presented the highest average yield (20.6 t/ha).
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lorenzi1988bragantiacaractersticas
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| Authors | ;José Osmar Lorenzi;Araken Soares Pereira;Domingos Antonio Monteiro;Maria Tereza Baraldi Ramos |
| Journal | revista espanola de salud publica |
| Year | 1988 |
| DOI |
10.1590/S0006-87051988000200009
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