The objective of the present work was to study the characteristics biometrics of the fruit and the effect of the physical and chemical scarification in the germination of seeds of Caesalpinia ferrea Mart. ex Tul. Ripe fruits were collected in August of 2007 of existent trees in the campus of the Rural Federal University of the Semi-arid, Mossoró- RN. The evaluations were carried at the Laboratory of Analysis of Seeds of the Department of Vegetable Sciences of UFERSA. The germination test was constituted of witness and 4 treatments (types of common vinegar: vinegar of alcohol, vinegar of red wine and vinegar of white wine) and hot water to 65ºC, with 4 repetitions of 50 seeds. The sowing was in containers plastic with dimensions of 32.5 x 24 x 4 cm (length, width and depth). The used substrates were sand washed sterilized previously and being irrigated with water distilled. The appraised characteristics were: mass of the fresh matter and matter dries of the seedling, germination percentage and index of emergency velocity. The immersion of the seeds in vinegar of white wine favors the germination, the index of germination velocity and the accumulation of fresh and dry matter of the juca seedlings.

The rational exploration of Tayassu tajacu, popularly known as collared peccaries, may well contribute toward diminishing the predatory hunt for this animal. The object of the present study was to evaluate the effect of sex and castration in relation to amounts of cholesterol and fatty acids found in the meat of animals raised in a captivity. A total of 12 animals was used, 8 being male (of which 4 had been castrated) and 4 female. All of the animals were given the same type of treatment and the same food. After the animals had been slaughtered, the frozen carcasses were carefully packed and sent to the laboratory responsible for examination of meats and fish which is part of the Department of Nutritional Technology of the Federal University of Ceará, in order to determine the quantity of cholesterol and fatty acids present in the meat of these animals. The amount of cholesterol in the meat of the females was less than that found in the meat of the non-castrated males. In relation to the quantity of fatty acids, the meat of the female species presented a smaller percentage of linoleic and arachid acids and a higher percentage of palmitic and palmitoleic acids when compared to both the castrated and non-castrated males. Castration appears to have had no effect on the amount of cholesterol in the meat of the male species, which presented an acceptable lipoid profile due to the presence of considerable quantities of linoleic acid and a lower percentage of cholesterol than that found in other domestic or wild species .

This work was based on dried specimens, including types, field works (collects and observations) mainly in Brazilian Northeastern, as well as information obtained in the specialized literature. Eleven genera, and approximately 150 species, belonging to four subfamilies were recorded: Boraginoideae, Cordioideae, Ehretioideae and Heliotropioideae. An illustrated key to the recognition of the genera of Boraginaceae native from Brazil based on its floral and fruit features are presented.

Mamãozinho-de-veado (Jacaratia corumbensis O. Kuntze, Caricaceae) is used for food animal. The objective of this study was to determine a seed storage method for Jacaratia corumbensis to conserve seed viability and vigour. Seeds of Jacaratia corumbensis were put in paper (Kraft) and plastic bags (0.15 mm), and stored in three environmental conditions of temperature environment (22ºC and 65% relative humidity). The germination percentage, moisture content and vigour of seeds were evaluated at the beginning of the experiment and after the storage periods. All treatments maintained seed vigour for 180 days of storage. The best storage conditions to maintain seed viability for a 180-day period were: 1) paper bags (87% of germination) and 2) plastic bags (88% germination) in temperature environment.

Existe interesse em informações sobre as necessidades de fertilizantes para a cultura do meloeiro, explorada no Pólo Agroindustrial Assú/Mossoró/Baraúnas, Estado do Rio Grande do Norte, visando a obtenção níveis elevados de produtividade de frutos de qualidade, a redução do desperdício de adubos e a diminuição da degradação ambiental. O objetivo deste trabalho foi avaliar os efeitos de aplicações de doses de nitrogênio (uréia, 45% de N) e fósforo (superfosfato simples, 20% de P2O5) sobre o rendimento e a qualidade dos frutos do meloeiro Gold Mine, de frutos amarelos, irrigado por gotejamento. As doses de nitrogênio (0, 50, 100, 150 e 200 kg N ha-1) foram combinadas em esquema fatorial com as doses de fósforo (0, 50, 100 e 150 kg P2O5 ha-1). Adotou-se o delineamento de blocos completos casualizados com cinco repetições. O nitrogênio aumentou as massas total e de frutos comercializáveis, reduziu a firmeza e o teor de sólidos solúveis do melão, mas não influenciou os números total e de frutos comercializáveis, nem o índice de formato do fruto. O fósforo não influenciou as características quantitativas e qualitativas do melão.

The objective of this work was of evaluating three textures of mixed organic compost in the lettuce seedlings formation, cv. Babá de Verão, in trays of 72, 128 and 200 cells. An experiment was carried out in a greenhouse of the Plant Sciences Department at Universidade Federal Rural do Semi-Árido (UFERSA). A completely randomized experimental design was used with the treatments in 3 x 3 factorial scheme with three replications. The treatments consisted of combination of three textures of mixed organic compost, obtained by passage in mesh sieves n°4 (6mm), n°8 (4mm) and n°12 (2mm), with three trays of 72, 128 and 200 cells. Evaluations for seedling height, root length, number of leaves per seedling, leaf area, shoot fresh and dry mass, root fresh and dry mass were determined. Higher mean values of root length and root fresh mass were obtained in mesh sieve n° 8 (4 mm) combined with tray of 72 cells. Higher mean value of root dry mass was obtained in mesh sieve n° 12 (2 mm) combined with tray of 72 cells. Higher mean values of seedling heigh, shoot fresh mass, leaf area and root dry mass were obtained with tray of 72 cells. Higher mean value of root dry mass was obtained in mesh sieve n° 8 (4 mm).

Different rooting average were tested to identify those whch would provide the best conditions for growth of mandacaru (Cereus jamacaru P.. DC.), facheiro (Pilosocereus pachycladus Ritter), xiquexique (Pilosocereus gounellei (A. Webwr ex K. Schum.) Bly. ex Rowl.) and coroa-de-frade (Melocactus bahiensis Britton & Rose). five different compositions for rooting average were (sand; soil; sand + soil; sand + cattle manure; soil + cattle manure) the study was carried out from september of 2004 to december of 2005, in an area room temperature at Embrapa semi-arid, Petrolina, PE, Brazil. the substrate composed with sand + cattle manure and soil + cattle manure rooting medium showing the highest rates. In relation to the development of the system to radicular of the cactáceas was verified that in treatment 1 (sand) all had presented the biggest values in length terms. The growth in height of the cactáceas was influenced by different analyzed substrata. Between substrate, optimum cattle manure was with ground.

This work had as objective to evaluate the effect of different calcium sources in the diet of broiler chickens with 1 to 28 days of age, on the food intake, live weight gain, feed conversion, level of ashes and calcium in the tibia bone, longitudinal and transversal length of the tibia bone and retention calcium. The experiment had duration of 31 days being used 576 chicks of one day of age, with the cobb line ancestry. It was used entirely randomized design, being the sources consisting of calcium carbonate, calcium carbo quelate and limestone (calcareous rock) of two distinct deposits, A and B, respectively, being all they also evaluated to the granulometer, solubility and pH. The food intake showed significant difference for the calcium sources, however none of the calcium sources influenced the feed conversion, probably to the observed compensatory physiological effect on the live weight gain of the broiler chicks. With regard to the bone mineralization (tibia), it did not have significant influence of the calcium sources, however, with relation to the diameter and length of the tibia bone, the limestones A and B showed the best values when compared with the calcium carboquelate.

O objetivo deste estudo foi determinar equações do tipo y = a + bx, onde y = área foliar e x = comprimento da folha (C) x largura da folha (L), que permitam a estimação da area foliar, a partir de C e L, em nove espécies adaptadas à região Semi-Árida brasileira. Cem folhas foram coletadas do terço mediano da copa de diversas árvores de espécies de folhas simples (Auxemma oncocalyx, Ao; Bauhinia forticata, Bf; Combretum leprosum, Cl) e de espécies com folhas compostas: Azadirachta indica (Ai), Caesalpinia bracteosa (Cb), Leucaena leucocephala (Ll), Mimosa caesalpiniifolia (Mc), Schinus terebenthifolius (St), and Tamarindus indica (Ti). Nas espécies com folhas compostas, C, L e A foram medidos em folhas intactas (sem folíolos destacados) e nos folíolos destacados. O coeficiente linear foi significativo em Ao e Bf, e não significativo, com folhas intactas em Ai, Cb, St, e Ti. Todos os coeficientes angulares foram diferentes de zero, mas somente em Mc esses coeficientes não diferiram entre si, quando as equações foram ajustadas a partir de folhas intactas e a partir de folíolos destacados. O coeficiente de determinação nas espécies de folhas simples variou de 0,85 to 0,97, enquanto em folhas compostas a variação correspondente foi de 0,28 a 0,93, indicando que a variação na área foliar explicada pela regressão é maior em espécies de folhas simples. Na maioria das espécies de folhas compostas o coeficiente de determinação foi maior quando a estimação foi feita a partir de folhas intactas, exceto em ST.

With the objective of evaluating the production of lettuce seedlings in greenhouse under shading and in floating system, it was installed an experiment in the Federal University of Acre, in the period of November of 2006 to January of 2007. The experimental design was in randomized blocks with four replicates, in split-plot arrangement in strips. The strips corresponded to in the greenhouse and field, the strip, in shading (with and without) and constituting the split-plot, the floating system (with and without). The seedlings were cultivated in trays of polystyrene of 128 cells, containing substrate the base of organic composition, charred peel-of-rice and soil in the proportion of 1:1:1, added 10% of the vegetable coal and 1,5 kg m-3 of termphosphate. The screen with 50% of shading was placed to 50 cm of height. After 24 days of the planting, they were appraised the dry masses of the aerial part, of the root and total of the plant. The largest production of dry mass of the plant's aerial and total part was obtained being used it greenhouse and shading screen. Greenhouse, the floating system without shading presented smaller development of the system root and dry mass total, not differing to each other in the shading condition. The production of seedlings without floating system was better with shading in field and without shading in greenhouse. In the general, the best quality of the seedlings was obtained greenhouse.