|
|
|
|
| |
|
|
| Pacheco,Georgia; Gagliardi,Rachel Fátima; Cogliatti,Mariana Buturini; Manhães,Harlen Barreira; Carneiro,Leonardo Alves; Valls,José Francisco Montenegro; Mansur,Elisabeth. |
| The objective of this work was to evaluate the influence of substrate and preconditioning treatments on the acclimatization of in vitro plants of Arachis retusa. Plants were transferred to Plantmax or sand, and fertilized with Hoagland's nutrient solution. Plants maintained in sand, with or without fertilizer, showed the highest survival rates. In order to evaluate the influence of in vitro preconditioning treatments, stem segments were cultured on MS medium supplemented with different sucrose concentrations. The highest survival and developmental rates were observed in plants from two accessions cultured on MS supplemented with 1.5% and 3% sucrose. Flowering and fruit production were observed after five months. |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Arachis; Groundnut; In vitro conservation; Micropropagation. |
| Ano: 2006 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-204X2006000100023 |
| |
|
|
| Tarré,Erika; Pires,Bárbara Balzana Mendes; Guimarães,Ana Paula Mançano; Carneiro,Leonardo Alves; Forzza,Rafaela Campostrini; Mansur,Elisabeth. |
| (Germinability after desiccation, storage and cryopreservation of seeds from endemic Encholirium Mart. ex Schult. & Schult. f. and Dyckia Schult. & Schult. f. species (Bromeliaceae)). Seed storage procedures require previous determination of optimal temperature and light conditions for germination, as well as of tolerance to desiccation and low temperatures. The aim of this paper was to study the effects of desiccation, storage at low temperatures and cryopreservation on the germinability of seeds of six Encholirium and two Dyckia species, which were selected according to vulnerability criteria. Initial germinability of newly harvested seeds varied from 35 to 95%. Seeds presented photoblastic behaviour since light was necessary to induce or... |
| Tipo: Info:eu-repo/semantics/article |
Palavras-chave: Cryopreservation; Espinhaço mountain range; Germination; Orthodox seeds; Seed conservation. |
| Ano: 2007 |
URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062007000400003 |
| |
|
|
|
