Tecnologia de produção de mudas de abacaxi.

O cultivo do abacaxizeiro se faz pelo plantio exclusivo de mudas. O número e a qualidade de mudas disponíveis do abacaxizeiro depende entre outros fatores dos tratos culturais realizados na lavoura anterior, da presença ou ausência de pragas e doenças, principalmente sintomas de fusariose e murcha associada a cochonilha, presença da cochonilha, da variedade e das condições climáticas durante o cultivo anterior

Towards an Achievable Performance for the Loop Nests

Numerous code optimization techniques, including loop nest optimizations, have been developed over the last four decades. Loop optimization techniques transform loop nests to improve the performance of the code on a target architecture, including exposing parallelism. Finding and evaluating an optimal, semantic-preserving sequence of transformations is a complex problem. The sequence is guided using heuristics and/or analytical models and there is no way of knowing how close it gets to optimal performance or if there is any headroom for improvement. This paper makes two contributions. First, it uses a comparative analysis of loop optimizations/transformations across multiple compilers to determine how much headroom may exist for each compiler. And second, it presents an approach to characterize the loop nests based on their hardware performance counter values and a Machine Learning approach that predicts which compiler will generate the fastest code for a loop nest. The prediction is made for both auto-vectorized, serial compilation and for auto-parallelization. The results show that the headroom for state-of-the-art compilers ranges from 1.10x to 1.42x for the serial code and from 1.30x to 1.71x for the auto-parallelized code. These results are based on the Machine Learning predictions.Comment: Accepted at the 31st International Workshop on Languages and Compilers for Parallel Computing (LCPC 2018

In situ observation of scorpionfish in seagrass meadows of the Gulf of Mannar, India

The seagrass meadows of Sethukarai coast are unique in nature, housing high faunal diversity compared to other coastal areas. A rare live specimen of bandtail scorpionfish Scorpaenopsis neglecta was found near a burrow dug by an alpheid shrimp. Taxonomy, morphometric and meristic characters, adaptive, behavioural and colour-switching physiological camouflage trait of the S. neglecta are elaborated in this communication. Visual in situ documentation of feeding habits of scorpaenids and their preying behaviour, especially that of lionfish Pterois volitans preying on goby fish is presented. Mutualism exhibited by goby fish Amblyeleotris gymnocephala with the alpheid shrimp Alpheus rapax and the importance of habitat protection from anthropogenic activities are also discussed

Analgesic Effect of Extracorporeal Shock-Wave Therapy in Individuals with Lateral Epicondylitis: A Randomized Controlled Trial

this study was conducted to investigate the effect of extracorporeal shock-wave therapy (ESWT) on pain, grip strength, and upper-extremity function in lateral epicondylitis. a sample of 40 patients with LE (21 males) was randomly allocated to either the ESWT experimental (n = 20) or the conventional-physiotherapy control group (n = 20). all patients received five sessions during the treatment program. the outcome measures used were the Visual Analog Scale (VAS), the Taiwan version of the Disabilities of the Arm, shoulder, and hand (DASH) questionnaire, and a dynamometer (maximal grip strength). forty participants completed the study. participants in both groups improved significantly after treatment in terms of VAS (pain reduced), maximal grip strength, and DASH scores. however, the pain was reduced and upper-extremity function and maximal grip strength were more significantly improved after ESWT in the experimental group. ESWT has a superior effect in reducing pain and improving upper-extremity function and grip strength in people with lateral epicondylitis. It seems that five sessions of ESWT are optimal to produce a significant difference. further studies are strongly needed to verify our findings

Socio-economic analysis of finfish culture in cages in coastal waters of Kerala, southwest coast of India

Cage culture of finfish is becoming a popular alternate source of livelihood in Vembanad Lake in Kerala, India. A study was conducted during November to December, 2016 to assess the socio-economic status of the farmers practicing cage culture in Kerala and the resultant economic benefits. Data on demographic features, farming activities, specific culture and farm management practices, economics and problems related to cage farming were collected from 36 active farmers of the Ernakulam District. Etroplus suratensis (Pearl spot), Lates calcarifer (Asian sea bass), and Genetically Improved Farm Tilapia (GIFT) were the major species culture