2013
DOI: 10.1590/s1806-66902013000100025
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Emergência de plântulas de porta-enxertos de pessegueiro submetidos a diferentes períodos de estratificação

Abstract: * RESUMO -Objetivou-se com este trabalho, avaliar a germinação e o desenvolvimento de plantas oriundas de duas cultivares de pessegueiro 'Capdeboscq' e 'Okinawa' sob diferentes períodos de armazenamento, em viveiro comercial da empresa Frutplan Mudas Ltda, em Pelotas -RS, no período de maio a dezembro de 2009. Os caroços das duas cultivares foram armazenados em embalagens de papel por um período de 120 dias, sendo realizados os seguintes procedimentos: 10 dias de temperatura ambiente + 110 dias de frio; 40 dia… Show more

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Cited by 3 publications
(6 citation statements)
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“…Seeds of 'Okinawa' presented a germination percentage of 19.2% and 4.2% when stratified in sand and vermiculite, respectively ( Table 1), but that is larger than that described by Fischer at al. (2013) who found close to 0% germination for 'Okinawa' rootstock.…”
Section: Germination Potential Of Seeds With Endocarpsmentioning
confidence: 52%
See 1 more Smart Citation
“…Seeds of 'Okinawa' presented a germination percentage of 19.2% and 4.2% when stratified in sand and vermiculite, respectively ( Table 1), but that is larger than that described by Fischer at al. (2013) who found close to 0% germination for 'Okinawa' rootstock.…”
Section: Germination Potential Of Seeds With Endocarpsmentioning
confidence: 52%
“…In turn, rootstock multiplication can be performed by sexual (seeds) and asexual (cuttings or in vitro) methods, but in Brazil the sexual method is still the most widely utilized (Fischer et al, 2013;Iliev et al, 2012). In the Southern region of RS, the main production center of stone fruits and Prunus plants (peaches, nectarines, and Japanese plum), the rootstocks to graft the scion cultivars are produced from seeds derived from endocarps (pits) obtained in the canned peach industries (Fachinello et al, 2011).…”
Section: Introductionmentioning
confidence: 99%
“…The gradual overcoming of seed dormancy that naturally occurs during storage promotes greater germination rate and uniformity (LOPES et al, 2009). There are species whose seeds are released from the mother plant with immature embryo, which would be one of the types of dormancy, verified in tucumã (BRASIL, 2013), peach (FISCHER et al, 2013) and persimmon (PECHE et al, 2016) seeds. These seeds are able to complete maturation if kept in stratification environment, with temperature and humidity specific to each species.…”
Section: Resultsmentioning
confidence: 99%
“…Quanto ao fator genótipos, a Seleção 039-03-02, com 64,0% de plântulas emergidas, foi superior às outras duas cultivares (Tabela 1). Esse percentual é superior ao obtido por viveiristas da região Sul do Brasil que, utilizando caroços provenientes das indústrias de conserva, obtêm aproximadamente 50% de plântulas emergidas (FISCHER et al, 2013).…”
Section: Resultsunclassified
“…Na região Sul do Brasil, a produção de porta-enxertos consiste na germinação de caroços obtidos do processo de industrialização de pêssegos para conserva, que após passar por período de estratificação à sombra, no mês de maio, são semeados no campo (FISCHER et al, 2013). Segundo TOFANELLI et al (2003), o inconveniente deste método é a segregação genética dos porta-enxertos, uma vez que sementes provenientes de cultivares-copa apresentam grande variabilidade genética.…”
Section: Introductionunclassified