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Thursday, June 26, 2014

Featured Issue: Ciência Florestal Vol.23 No.4

Today we are featuring vol.23 no.4 of Ciência Florestal.

Teak is a popular source of wood for commercial use, used for both indoor and outdoor furniture. Teak is grown in many parts of Asia such as Thailand, Indonesia and Myanmar. Brazil has also grown Teak trees since the 1970s. This issue of Ciência Florestal includes "Occurence and Pathogenicity of Meloidogyne javanica on Teak (Tectona grandis Linn. F.) Plants" by de Oliveira & da Silva. The article details the occurrence of the nematode Meloidogyne javanica on Teak plants (Tectona grandis) grown in Mato Grosso, Brazil. For the study, female larvae of the Meloidogyne javanica were extracted from the roots of Teak plants. The results indicated that teak is vulnerable to the nematode because of reproduction factor, and that the nematode is a pathogen to the Teak plant, as the Teak plants were found to have nutrient deficiency.

This issue also includes "Substrate for Production of Macacaúba (Platymiscium ulei Harms) Seedlings in the Autazes town, Amazonas State" by de Miranda et al. This article details the efficiency levels of different substrates on Macacaúba seedlings used in reforestation in Autazes, Amazonas State. Eight treatments of the substrate were administered in random blocks, and five replicates were tested. Some of the treatments included: cattle manure, lime, corrective phosphate, fertilizer with NPK, and lime + correction phosphate. The treatments were tested for 120 days, after which the following characteristics were evaluated: height of shoot, diameter of the neck, shoot, paroot and total dry matter, nutrient levels and amounts in shoot dry matter. The results indicated that all the treatments improved the soil of the seedlings, as more nutrients were found. The results also indicated that plants grown in cattle manure had higher nutrient absorption and growth rates. The study concludes that cattle manure could be the best treatment for the production of Macacaúba seedlings.

For these articles and other articles from this issue, click here.

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