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Regional trials assessing promising cassava clones are listed as well as 2 cassava seed production projects, carried out by the cassava team on Colombia's Atlantic Coast with the support of the Secretaria de Fomento Agropecuario y Minero of the department of Bolivar. Regional trials have been con...
Se enumeran los ensayos regionales para la evaluacion de clones promisorios y 2 proyectos de produccion de semilla de yuca, realizados por el grupo de yuca de la Costa Atlantica con el apoyo de la Secretaria de Fomento Agropecuario y Minero del Departamento de Bolivar, Colombia. Se han realizado ...
Pterotylenchus cecidogenus did not inhibit germination of Desmodium ovalifolium but did reduce survival of seedlings and root and stem growth. Stem gall formation was associated with nematode population densities which were positively correlated with plant age at time of inoculation. Nematode pop...
Cassava vegetative material is distributed by sending seedlings obtained from meristem cultures in test tubes. Although this material is accepted worldwide, losses occur due to seedling weakness and the delay to obtain adult seedlings in the field (normally between 3 and 4 yr). To overcome this p...
A descriptive and integrated look at the physiology of the bean plant is presented. Initially, the basic physiological processes that determine bean yields are discussed, namely (1) metabolic events such as photosynthesis, respiration, and N metabolism, which have a direct effect on growth, and (...
Cryopreservation in liquid nitrogen of isolated zygotic embryos and whole seeds of cassava have been studied. A simple method is proposed for utilization in germplasm conservation or other related uses. Very high percentage survival values (ca. 97 percent) of zygotic embryos and whole seeds were ...
The effects of cutting storage on cassava root and branch production as well as on other crop characteristics (wt. loss, percentage of viable cuttings, sprouting 80 days after planting, final stand, no. of seed- cuttings/plant) were studied under field conditions in the banana growing zone of San...
Constatou-se elevado grau de dormência em sementes recém-colhidas de S. macrocephala e S. capitata. Testaram-se alguns tratamentos visando o incremento de germinação para testes de qualidade de sementes. lnicialmente, testaram-se métodos físicos, químicos e mecânic...
Testaram-se métodos de colheita de sementes em S. capitata CIAT-1693, com relação a rendimento, qualidade de sementes e implicações econômicas, em Carimágua, Colômbia, no ano de 1983. Os tratamentos dividiram-se nos grupos: A - Totalmente manual, B - Totalmente mecânica, C - Cor...
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