Bean (Phaseolus vulgaris L.) is one of the most cultivated and consumed legumes worldwide. Brazil is one of the world's largest producers of this crop, which constitutes an important primary source of protein in the diet of its population. In the Northeast region, this legume is a key crop, especially for small family farmers. However, this region has high production susceptibility, which is mainly due to local climatic conditions and the low degree of technification employed. In this sense, the objective of this study was to analyze the productive variations of the bean crop in the municipality of Dois Riachos, Semi-arid of Alagoas, in the period 1998-2015. The production data were obtained from the IBGE Municipal Agricultural Production database, using the Automatic Recovery System (SIDRA), and subjected to correlation analysis and principal component analysis (PCA). The results showed high interannual variability in the production of beans, reflected in the strong oscillation of the analyzed variables. Significant correlations were observed between all variables. The PCA gathered 93.8% of the original data variance in its first two axes, generating 4 clusters that grouped years with similar productive characteristics. The reductions observed for the variables may be linked mainly to abiotic factors, such as the occurrence of prolonged droughts, and the low degree of technification used for this culture.

Resistance to Penetration (RP) can be found on various soil conditions and even on different agricultural production systems. The present work aimed to diagnose compacted layers along the soil profile. For the development of the work, it was necessary to use a specific equipment for data collection of RP whose name and Digital Penetrometer (Falker). Able to measure compacted layers every 5 cm depth up to a distance of 60 cm. along the soil profile in addition, it is able to provide data via graphs through a computer system. Random collections were carried out on different farms in the Araguaia Xingu region, so the criterion used to develop the work was to collect 15 points per plots at a maximum depth of 40cm and the same should be found in its third year of soybean cultivation. Corn (Safrinha). A total of 135 points were collected along 9 farms in the region, and after analyzing the points through the PenetroLOG Software. An average of the 15 points of each farm was carried out, as well as the final average of all the farms to reinforce the individual means. It was concluded that, in the soybean and maize out-season system, the compacted layer is between 14 and 20 cm deep along the soil profile with mean values of pressure of 1975 and 2504 kpa. This suggests alteration of the management used in the soils of the evaluated areas.

The objective of this study was to evaluate the precision and accuracy of smartphone applications for measuring the total height of trees. We measured the heights of 90 trees of different species on the campus of the Federal Rural University of Rio de Janeiro in Seropédica, equally distributed in three height classes: (1) h ≤ 11.5 m; (2) 11.5 <h < 20 m; and (3) h ≥ 20 m. The heights measured by the Vertex III® hypsometer was the reference for the comparison of the tested applications: Measure Height (MH and MDH), Hypsometer (HYP), Simple Measure (SM), Height Calculator (HC), Smart Tools (ST), Height and Distance (HD), Two Point Height (TPH and TPH2) and Tree Meter (TM) using the MOTO G5 smartphone. For data analysis, we performed an F (α = 0,05) test, and if there is a significant difference Dunnett's mean test (α = 0,05) was applied, and height variation coefficients (CV%) were analyzed for all applications used. Then, we carried out the graphical analysis of the differences and the statistical parameters of Bias (V), Mean of Absolute Differences (MD), Standard Deviation of Differences (DPD), ending with the performance index (c). We concluded that the applications Height Calculator (HC), Smart Tools (ST) and, Two Point Height, (TPH) present greater precision and accuracy in the measurement of the total height of the trees. However, we observed that increasing the height of the trees, reduces the performance of the applications, mainly using the Simple Measure (SM) and Height and Distance (HD) applications. The Tree Meter (TM) can be used on trees smaller than 20 m in total height. Measure Height (MH and MDH) and Hypsometer (HYP) applications have low precision and accuracy in estimates.

The yellow passion fruit tis cultivated and commercialized throughout the Brazilian territory, it contributes to the generation of employment, and can be cultivated from micro to large producers. The Passifloraceae family is one of the most studied in breeding programs, aiming at the production of hybrids. The objective of the work was to identify the pollen viability of Passiflora edulis, using three dyes, being Lugol 2%, Alexander reactive 2% and blackcurrant juice. The data obtained were subjected to analysis of variance, followed by Tukey’s test to compare means at a significance level of 5%, using the R software.  The results indicated a high rate of viable pollens, with no difference between the dyes used, since that the reactive dye Alexander was the one that best enable the identification of viable and non-viable pollens.

Hair is a complex natural fiber consisting mainly of keratin that can be divided into four main structural units, namely: cuticle, cortex, medulla, and membrane complex. The use of pigments in hair care preparations, mainly derivatives of aromatic amines, has been a topic of discussion due to toxicity and ecotoxicity concerns. In this background, Myrciaria cauliflora Berg is a native fruit occurring from northeastern to southern Brazil. Among the diversity of compounds detected in this fruit species are bioactive flavonoids and anthocyanins, which are responsible for the purple pigmentation of the fruit peels. This study reports on the use of a microencapsulated Myrciaria cauliflora Berg. peel extract as a temporary pigment to reduce the yellow tone of the hair. The extract was obtained by maceration with 70% ethanol (v/v) in an acidic milieu (6.0% citric acid). The extract was submitted to phytochemical profiling and a shampoo formulation was developed and applied onto a chemically treated hair. The preliminary characterization of the extract confirmed the presence of phenolic compounds and anthocyanins, in addition to the acid/base character of the extract. When tested on discolored hair samples with a yellow tone, the Myrciaria cauliflora Berg. shampoo reduced the yellow color, which was visually perceived by the enhancement of the hair brightness. These results demonstrate the potential of M. cauliflora extract – obtained from a fruit widely found in Brazil, as a temporary pigment to be used in cosmetic hair care.

Stingless bees are important pollinators for the native forest of tropical and subtropical regions, predominantly in Latin America. This group contains more than 300 species, many of them native from Brazil. Their colonies present various types of structures, formats and materials. Scaptotrigona bipunctata (Lepeletier, 1836) is a species of stingless bee that builds large colonies within tree trunks. They are ecologically important as pollinators, maintaining the ecological balance. However, studies indicate that the number of bees has been decreasing drastically over the years due to habitat destruction and intensive use of agrochemicals. High doses of insecticides can lead to the death of bees, but low concentrations may promote behavioral changes that affect the colonies and its services to ecosystem and agricultural crops. Around 40% of all insecticides applied in Brazil are toxic to bees. Cypermethrin insecticide belongs to the pyrethroid group and it is widely used in several crops, such as cotton, potato, coffee, maize and tomato. This study aimed to investigate the mortality rate, alterations in total protein and esterase expression in S. bipunctataafter contamination by ingestion and contact with cypermethrin. At the end of the bioassays, there was found a low mortality rate, however, sublethal effects were expressive. Esterases showed different expression patterns after contamination, both by ingestion and contact and total protein analysis presented changes in expression, as well.

The present work aimed to verify the efficiency of the accelerated aging test in the evaluation of the vigor of lettuce and arugula seeds. Two lots of lettuce seeds (Lactuca sativa L) and two lots of arugula seeds (Eruca sativa M) were used, submitted to germination and accelerated aging tests, using the exposure periods of 48, 72 and 96 hours, at a temperature of 42ºC, with and without the use of saturated solution and saline solution of NaCl, the experimental design used was a completely randomized design (DIC), composed of three replications in a 2x3x3 factorial scheme for the studied cultivars. The accelerated aging test is efficient to demonstrate the vigor of lettuce and arugula seeds, and the exposure period of 48 hours in saline solution for lettuce and in water solution for arugula is sufficient to check the quality.

Substrates is an important pillar of seedling production, when it seeks to establish vigorous plants with a uniform pattern and lower possible production costs. The objective of this work was to evaluate the use of the carnauba agroindustrial residue (RC) in the alternative substrate composition for the formation of watermelon seedlings. The experiment was conducted at the Campus Professor Cinobelina Elvas, Federal University of Piauí, Bom Jesus, Piauí. A randomized block design with five treatments was used: RC and sand, in the proportions: 20/80, 40/60, 60/40, 80/20 and 100/0, with four replications and eight plants per plot, 160 plants. The variables evaluated were: emergence percentage, emergence speed index, plant height, leaf area, leaf number, shoot dry mass, neck diameter, root density, root area, root mean length and root dry mass. The seedlings with 100% RC provided higher height (4.43 cm), leaf area (16.13 cm2), number of leaves (2.0) and shoot dry mass (0.13 g / plant). The use of 80% CR and 20% sand resulted in a larger diameter of the neck (mean), root area (mean) and root mean (average) length. Already in the proportions of 60 and 40% of CR plus sand respectively, they promoted higher root density (mean). However, to produce seedlings of Citrullus lanatus with adequate quality standard, it is recommended to use 100% RC substrate because it is more responsive to aerial part and substrate with 80% RC / 20% sand, which promotes greater growth of the system root.

The use of sound frequencies has been reported to influence physiological and morphogenic responses in plants. Thus, the present work sought to study the effect of different sound frequencies on the adventitious rooting of mulberry cuttings (Morus sp.). Two experiments were carried out, the first consists treatment of cuttings by sound frequencies of 300 Hz, 1000 Hz or 0 Hz in two seasons - spring and autumn. For the second experiment, the frequency of 1000 Hz was used combined with inoculation of spermidine. After 60 days of inoculation, the parameters of the number and length of roots were evaluated, as well as the buds development in the aerial part. The treatment of cuttings collected during the autumm with a sound frequency of 1000 Hz results in an increase in the number of roots in relation to the control. In the cuttings collected during the spring there was no increase, either in the exposure with frequency of 1000 Hz, or in the treatment with spermidine, alone or in combination with frequency. The treatment of cuttings with sound frequencies of 1000 Hz demonstrates the potential for an increase in the adventitious rooting response.

Trypanosoma is a hemoflagellate protozoan that infects a variety of animal species and is transmitted in different ways. It is a zoonosis and anthropozoonosis of great importance in veterinary medicine. The present work aims to describe the clinical and laboratory alterations in a free-living dog in a rural area, infected by Trypanosoma spp, treated in the municipality of Sinop, north of Mato Grosso. Blood samples were collected for blood count, alanine aminotransferase (ALT) activity, creatinine, creatine kinase concentrations. The results found were a normochromic microcytic anemia, lymphopenia, trypomastigote forms of Trypanosoma spp. ALT and creatinine measurements were normal, but the serum creatine kinase level was above normal limits. Imidocarb dipropionate at a dose of 7 mg / kg subcutaneously in a single dose was prescribed.