956 resultados para exotic specie
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Invocatio: Q.D.B.V.
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Invocatio: I.N.S.S.T.
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Invocatio: B.C.D.
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Invocatio: Auspicio altissimi.
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Numerot 12862-67 ilmestyneet kirjana: Philosophia moralis sive Ethica, ex optimis quibusq[ue] philosophis per praecepta commentaria & quaestiones succint [et] dilucid tradita [et] ventilata in Acad. Aboensi, authore & praeside m. Axelio Kempe Acad. bibliothecario. Addita est ad calcem appedicis loco hexilogia codem authore. Aboae, impressâ â Petro Hansonio Acad. typogr. Anno 1656
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Arkit: A4 B2.
Reproductive ecology of the exotic tree Muntingia calabura L. (Muntingiaceae) in southeastern Brazil
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The exotic tree Muntingia calabura L. (Muntingiaceae), a species native to Central America, is used as fish feed and fiber and cellulose production in Brazil. This study was carried out in urban areas and verified the reproductive biology of this plant species. Flower and fruit morphology, compatibility system, reproductive phenology, pollination and frugivore animals, and germination of disseminated seeds were recorded by standard field and laboratory procedures. This tree is self-compatible and autonomously self-pollinated, with its flowers being mainly visited by bees and its fruits consumed by birds and bats. Germination of its dispersed seeds is fast and occurs at a high rate. The results of this work suggest that M. calabura is very adaptable to cultivated areas,thus being an excellent choice for urban reforestation. However, its reproductive characteristics place this plant as an invasive species with significant potential in southeastern Brazil.
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Temperate and temperate x tropical germplasms were introduced into the maize breeding of the Department of Genetics (ESALQ-USP). Twenty populations designated as P-1 to P-20 and a check population were evaluated in a randomized complete block design with two replications at Piracicaba, SP, Brazil. Plots were 2.0 m long, spaced 1.0 m apart, with 10 plants per plot after thinning. The following traits were evaluated: PH, plant height; EH, ear height; TB, tassel branch number; KW, 100 kernels weight; EL, ear length; ED, ear diameter; KR, kernels per row, and RN, number of rows of kernels. The means of the exotic populations showed a variation in performance for all traits. The population means were greater than check means for KW, EL, and KR. Populations P-9, P-10, P-12, and P-13 showed low relative ear placement values (EH/PH index), indicating that these materials could contribute to lower ear placement in local populations. P-1 and P-9 showed a high potential to reduce TB. The phenotypic correlation coefficients among populations were positive for most combinations, except for RN with PH, EH, TB, and KW. Predictions of 19 composite means were obtained for all traits.
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Arkit: A-C4 D2. - S. [2] tyhjä.
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Arkit: A-B4.
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Variantti B.
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Variantti B.
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Invokaatio: Annuente altissimo.
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Invokaatio: I.N.J.
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Variantti B.