2009
DOI: 10.1590/s0100-83582009000200009
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Aspectos germinativos de capim-camalote (Rottboellia cochinchinensis)

Abstract: O capim-camalote (Rottboellia cochinchinensis), originário da Índia, é encontrado em várias regiões do mundo, sendo uma espécie temida pelos agricultores devido ao seu difícil controle e avanço crescente. Objetivou-se com este trabalho estudar os fatores que afetam a germinação das sementes dessa espécie. Foram avaliados os métodos de superação de dormência: 1 - escarificação mecânica, 2 - escarificação química, 3 - tratamento pré-semeadura, 4 - tratamento químico, 5 - tratamento hormonal e 6 - sementes não tr… Show more

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Cited by 16 publications
(16 citation statements)
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References 18 publications
(9 reference statements)
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“…for the month of June, as a result of low rainfall levels (Table 2), a fact that may compromise the germination or emergence of Rottboelia spp. seeds, and justifies the fact that water availability is essential for germination (Silva et al, 2009).…”
Section: Resultsmentioning
confidence: 85%
See 1 more Smart Citation
“…for the month of June, as a result of low rainfall levels (Table 2), a fact that may compromise the germination or emergence of Rottboelia spp. seeds, and justifies the fact that water availability is essential for germination (Silva et al, 2009).…”
Section: Resultsmentioning
confidence: 85%
“…is temperature: temperatures in the range of 25 o C yield higher germination percentage; below 10 o C, seeds become dormant, without germination; and at 30 o C or higher, germination percentage is reduced, causing physiological damage in seeds (Silva et al, 2009). Between the months of April 2012 Emergence and control of Rottboelia sp.…”
Section: Resultsmentioning
confidence: 99%
“…In addition, maintenance of the average temperature between the mentioned values (mild temperature conditions) associated with soil moisture tending to field capacity, makes it possible for the potential population to appear faster, thus, according to Spitters (1989), Silva et al (2009) and Yamashita & Guimarães (2010) less time is necessary for obtaining a given germination percentage.…”
Section: Weed Emergence In Autumn Under Temperate Conditionsmentioning
confidence: 99%
“…According to Hadas (1982), Baskin et al (1993) and Rizzardi et al (2009), water, from rainfall or other sources, is necessary to ensure the seeds' hydration. Seeds require sufficient water for absorption and consequent germination (Hadas, 1982;Bradbeer, 1988;Bradford, 1990;Silva et al, 2009;Yamashita & Guimarães, 2010). There are many seeds which germinate well when supplied with excess water, however in others the excess of water reduces the tegument permeability and restrains germination (Bradbeer, 1988).…”
Section: Introductionmentioning
confidence: 99%
“…This grass species ecology, germination and control management strategies are well documented [21][22][23][24]. Indeed, itchgrass is present in more than 30 warm-climate countries of Africa, America, Asia and Oceania.…”
Section: Introductionmentioning
confidence: 99%