2005
DOI: 10.1590/s0102-05362005000100007
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Produção de biomassa e de óleo essencial dos capítulos florais da camomila em função de nitrogênio e fósforo

Abstract: N o Brasil, a camomila (Chamomilla recutita (L.) Rauschert., Asteraceae) é a planta medicinal com a maior área de cultivo. O Paraná destaca-se como o maior produtor, com área cultivada de 700 ha e produção de cerca de 260 t, o que atende a 74% do consumo nacional, que é de 350 t (Dalla Costa, 2001; Correa Júnior et al., 2003). Parte da camomila consumida no País é importada da Argentina, principal produtor mundial (Curioni, 2004). O aumento da produção brasileira e, capítu-los florais de boa qualidade, possibi… Show more

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Cited by 32 publications
(26 citation statements)
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“…This result is different from that for aged bovine manure fertilization, since the content of essential oil decreased with the increase in irrigation depth. The results for fertilization are different from those of Mapeli et al (2005), who observed that the fertilization did not influence the content of essential oil of chamomile and alpinia. Lopes et al (2010) concluded that the organic management with the use of poultry litter resulted in the highest mean content of essential oil in chamomile plants.…”
Section: Resultscontrasting
confidence: 99%
“…This result is different from that for aged bovine manure fertilization, since the content of essential oil decreased with the increase in irrigation depth. The results for fertilization are different from those of Mapeli et al (2005), who observed that the fertilization did not influence the content of essential oil of chamomile and alpinia. Lopes et al (2010) concluded that the organic management with the use of poultry litter resulted in the highest mean content of essential oil in chamomile plants.…”
Section: Resultscontrasting
confidence: 99%
“…In other species, leaf dry matter increase has been observed when the phosphorus supply is increased (Abreu et al, 2002;Rodrigues et al, 2004), which could explain the magnesium thermophosphate effect, because it is an essential component of all organisms. Therefore, its deficit causes biomass decrease (Mapeli et al, 2005). SLA decreased linearly with the increase of bovine manure and magnesium thermophosphate rates, reaching 231.73 cm 2 g -1 at the maximum rates combination (Figure 3).…”
Section: Resultsmentioning
confidence: 96%
“…For tomato, SDMM increased with nitrogen rates (Ferreira et al, 2003) and when phosphorus concentrations were increased in soil solution (Fontes & Wilcox, 1984). Furthermore, the dry mass of chamomile inflorescences was higher when nitrogen and phosphorus were supplied together, but not when supplied separately (Mapeli et al, 2005).…”
Section: Shoot Dry Matter Mass Root Dry Matter Mass and Total Dry Mamentioning
confidence: 90%
“…Entre os fatores que interferem na composição química da planta, a nutrição merece destaque, pois a deficiên-cia ou o excesso de nutrientes pode interferir na produção de biomassa e na quantidade de princípio ativo (Mapell et al, 2005). A adubação orgânica das plantas medicinais, além de ser parte essencial nos sistemas de cultivo orgânico, fornece nutrientes para as plantas e proporciona benefícios na estrutura física, química e biológica do solo.…”
Section: Introductionunclassified