José Orestes Merola de Carvalho

Desempenho de famílias e híbridos comerciais de tomateiro para processamento industrial com irrigação por gotejamento

Tomato families originated from the processing tomato breeding program of the Universidade Federal de Uberlandia were evaluated and selected and compared to the performance with the most planted hybrids in Patos de Minas, Brazil. The experiment was conducted in the E. E. Barreiro, Unilever Bestfoods, in Patos de Minas. Thirty tomato families and the hybrids Heinz 9553, Heinz 7155N2 and Hypeel 108 were used. Experimental plots consisted of two lines, each one 10 m long, spaced 0,5 m from each other and irrigated with drip irrigation. The space between each double row was 1,3 m and the population of 27 thousand plants per hectare. The experimental design was a randomised complete block with four repetitions, installed on 05/19/01. The paste yield showed positive phenotypic and genotypic correlation with total fruit yield, commercial fruit yield, percentage of total soluble solids, juice coloration, number of mature fruits per plant and pH and negative correlation with the total titled acidity. Best results were observed in the family UFU 06 and in the commercial hybrids.

O cultivo protegido de hortaliças em Uberlândia-MG

The situation of the protected cultivation in Uberlândia-MG is described and the causes that led many producers to lack of success in this system are discussed. A questionnaire was applied to the vegetable producers that produced and those that are producing under protected cultivation, being observed the main information related to the production, from the installation to the commercialization of the cultivated products. We identified that the protected cultivation in Uberlândia began in 1990/1991. Two years later, approximately 84% of the producers had abandoned this activity. The lack of cultivars and adapted hybrids to the region; the scarce information about commercialization and manuring of the soil; the lack of technical attendance to the producer; the beginning of the activity without doing market research; the lack of adapted handling of the protected atmosphere; high cost of the installation; the absence of differentiated prices for products obtained from protected cultivation; the absence of governmental incentive; lack of professional experience of the beginners in this agribusiness; lack of project and economic planning of the production, were the reasons that motivated the farmers to stop the protected cultivation in Uberlândia. This research stand out, also, the need of new information about the handling in the protected cultivation in this city.

Produção de minicenouras não processadas em função de diferentes cultivares e espaçamentos

ABSTRACT Production of non-processed baby carrots as a result ofdifferent cultivars and line spacing This work was carried out to verify the viability of producingnon-processed baby carrots out of different carrot cultivars availablein Brazil for summer and winter copping, when planted in differentspacing between lines. Cultivars Forto and Nantes were used forwinter copping, while cultivars Brasilia and Carandai were used insummer. Lines were 10, 15, and 20 cm apart. Distance between plantswas 2 to 3 cm. The experiment was designed in completelyrandomized blocks, in a factorial scheme (3 x 2) with fourreplications. Results indicated t ha -1 when lines were kept 10 cmapart, the baby carrot yield reached the most uniform distribution incommercial root length classes (4 to 6 cm; 6 to 8 cm and; > 8 cm).During summer, cultivar Brasilia yielded significantly more babycarrots than cultivar Carandai. In winter, the tested cultivars wereequivalent. A natural follow-up to this work is the investigation ofthe nutritional value and diameter of non-processed baby carrots.