5 resultados para cultivated tomato

em Infoteca EMBRAPA


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A tecnologia de controle de nematóides nos solos de estufas, em uso, envolvem o uso de processos físicos(vapor), físicos/químicos e químicos que são onerosos, insalubres, de difíceis manuseio e poluidores do meio ambiente. Esta pesquisa tem por objetivo adaptar o processo de solarização de solos, para as condições de plantio protegido de tomate do DF. Os testes com 6 cultivares desenvolvidas em áreas infestadas como Meloidogyne incognita raça 1 e Meloidogyne javanica e com solarização evidenciaram a eficácia da tecnologia de solarização no controle de nematóides de galhas.

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ABSTRACT: The cassava market within Distrito Federal (DF) presents potencial for expansion, for that reason, it is fundamental that the propagative material for planting (stem cuttings) presents genetic traits that confer high productivity to the crop, resistance against the main diseases and plagues and culinary qualities that fulfill the demands of the consumer market. In order to select varieties which combine the before mentioned interesting caracteristics for the producers and consumers of DF, we carried out experiments to evaluate table cassava type varieties at Núcleo Rural Jardim, DF (year 1999/2000), at an experimental area of Embrapa Cerrados located in the Municipy of Planaltina, DF (year 1999/2000), at Núcleo Rural Ponte Alta, DF (year 2002/2003) and at Brazlândia, DF (year 2003/2004). Among the evaluated varieties, if the parameters productivity, time necessary for cooking and colour of the pulp (which, in the case of DF, must be cream-colour or yellow due to market demands) are collectively considered, the variety Japonesinha / IAC 576-70 / BGMC 753 stands out as it combines high productivity of roots, moderate resistance to bacterial blight, good culinary quality (time necessary for cooking inferior to thirty minutes) and pulp of cream colour. Conclusively, this variety can be recommended to be cultivated at DF.