Ochroma pyramidale, Bombacaceae, conhecida popularmente como pau-de-balsa, é utilizada para construção de jangadas, balsas, salva-vidas, bóias, brinquedos e na fabricação de papel e celulose. O objetivo deste estudo foi definir um método de acondicionamento de sementes de O. pyramidale, visando a conservação da viabilidade e vigor destas para sua utilização e comercialização em épocas de baixa produção. Semente...
In view of the growing need for biological knowledge of native species for use in riparian forest restoration projects, the aim of this work was the phenological characterization of Sebastiania brasiliensis, a shrubby tree species that occurs in the alluvial mixed ombrophilous forest. Accordingly, ten trees were monitored in the municipality of Araucária, PR, Brazil, observing the reproductive and vegetative ph...
Made available in DSpace on 2018-11-26T15:29:57Z (GMT). No. of bitstreams: 0 Previous issue date: 2016-01-01. Added 1 bitstream(s) on 2021-07-15T14:31:16Z : No. of bitstreams: 1 S0100-29452016000100117.pdf: 922144 bytes, checksum: 4ef56c9012ee8e383a2d9cb6e860e0ca (MD5); The aim of this study was to evaluate the effect of mycorrhizal fungi (AMF), the fertilization and substrate composition on growth of seedlings...
Made available in DSpace on 2018-12-11T16:49:15Z (GMT). No. of bitstreams: 0 Previous issue date: 2017-01-01. Added 1 bitstream(s) on 2021-07-15T15:21:23Z : No. of bitstreams: 1 S1980-50982017000300931.pdf: 748451 bytes, checksum: 287be821cc25179f00ef8b0265e6fb74 (MD5); Due to the need for recovery of degraded areas and permanent preservation areas, the planting of native species in Brazil increased and consequ...
Made available in DSpace on 2014-09-30T18:18:37Z (GMT). No. of bitstreams: 0 Previous issue date: 2014-03-01Bitstream added on 2014-10-01T14:03:14Z : No. of bitstreams: 1 S2179-80872014000100009.pdf: 1989447 bytes, checksum: 4e059856e85e78b47b4a97a3490ef6aa (MD5); O objetivo deste trabalho foi adequar a metodologia do teste de condutividade elétrica (CE), além de determinar a qualidade fisiológica de sementes d...
The use of slow release fertilizer (SRF) can contribute to obtain better seedlings before an industry accustomed to the use of commercial fertilizers. This work aimed to evaluate doses of SRF on the growth of paricá tree seedlings and to compare the cost of conventional fertilizer use in relation to the cost involved in producing with SRF. The experimental design was completely randomized with 6 treatments and ...
This study aimed at to characterize morphologically the fruits, seeds and seedling development of Casearia decandra and examine the best substrate and temperature for seed germination. The fruits were collected from 13 mothers in the municipality of Irati, Parana State, Brazil. Tests were conducted to determine the weight of 1,000 seeds, number of seeds per kilogram and the seeds moisture content. To test the i...
Os dados para este trabalho foram coletados em florestas secundárias com Araucaria angustifolia (Bert.) O. Ktze, tendo como objetivos: verificar qual a reação ocorrida no crescimento das árvores remanescentes após o corte das árvores mais grossas, apôs distintas fases de recuperação; determinar o momento em que houve a reação no crescimento; verificar- a influencia do tipo de copa sofre a reação no crescimento;...
Este trabalho visou determinar o tempo de trabalho das diversas ferramentas de poda para três diferentes alturas de poda e também, determinar urna equação de regressão para a prognose de tempo. O estudo foi desenvolvido em dois povoamentos de Pinus taeda L., com idade de 4 e 8 anos respectivamente. A poda foi efetuada a três diferentes alturas de poda: 0-2,5 m no povoamento de 4 anos de idade, 2,5-4,5 m e 4,5-6...
The effectiveness of potassium silicate (K2SiO3) to control powdery mildew was evaluated in Eucalyptus benthamii seedlings. Four treatments were applied: sprays of K2SiO3 (4 mL L-1) for 7 days, K2SiO3 (4 mL L-1) for 14 days, fungicide epoxiconazole + pyraclostrobin (6 mL L-1) for 14 days and ultrapurified water for 7 days. The experiment consisted of a randomized complete block design with three replicates, eac...