2020
DOI: 10.18378/rvads.v15i3.7754
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Superação de dormência em sementes de Leucaena leucocephala (Lam.) de Wit. com métodos físicos e químicos

Abstract: A leucena é uma espécie florestal que proporciona forragem de boa qualidade e, pode ser utilizada como adubo verde, porém, suas sementes apresentam dormência causada pela impermeabilidade do tegumento à água, provocando redução na germinação, o que dificulta a produção de mudas. O objetivo deste trabalho foi avaliar a superação de dormência em sementes de leucena por métodos físicos e químicos. O delineamento experimental foi o inteiramente casualizado com quatro repetições composto por 20 sementes em cada tra… Show more

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“…After the treatments, the seeds were soaked in running water for 24 h. The temperatures (TS) and times of immersion (CS and TS) were based on specific literature for the selected Conservation 2023, 3 282 species that report the use of temperatures between 65 • C and 100 • C [32,36,39,42,45,51,80]. For CS, sulfuric acid was used at different concentrations and immersion times for the same species [42,44,47,81]. Planting was carried out manually in Styrofoam seedbeds with alveoli of 5 cm in diameter and 20 cm deep, which were previously sterilized with a 2% solution of commercial sodium hypochlorite.…”
Section: Pre-germinative Treatmentsmentioning
confidence: 99%
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“…After the treatments, the seeds were soaked in running water for 24 h. The temperatures (TS) and times of immersion (CS and TS) were based on specific literature for the selected Conservation 2023, 3 282 species that report the use of temperatures between 65 • C and 100 • C [32,36,39,42,45,51,80]. For CS, sulfuric acid was used at different concentrations and immersion times for the same species [42,44,47,81]. Planting was carried out manually in Styrofoam seedbeds with alveoli of 5 cm in diameter and 20 cm deep, which were previously sterilized with a 2% solution of commercial sodium hypochlorite.…”
Section: Pre-germinative Treatmentsmentioning
confidence: 99%
“…After the treatments, the seeds were soaked in running water for 24 h. The temperatures (TS) and times of immersion (CS and TS) were based on specific literature for the selected species that report the use of temperatures between 65 °C and 100 °C [32,36,39,42,45,51,80]. For CS, sulfuric acid was used at different concentrations and immersion times for the same species [42,44,47,81].…”
Section: Pre-germinative Treatmentsmentioning
confidence: 99%
See 2 more Smart Citations