Effect of density on individual size and fertility in two species of weeds : Galinsoga ciliata Blake and Galinsoga parviflora Cav.

• Autorzy: Dostatny D.
• Języki publikacji: EN

Abstrakty

EN

Fertility (=seed production) in Galinsoga species depends on the size of the individual. An individual produces many seeds in conditions of low density. If the population density of G. ciliata and G. parviflora increases, the production of seed by one individual decreases. In high density the size of individuals diminished. The population density of the stands in the vicinity of farms is high. Due to the high density, these stands are characterised by high seed production per square metre. The greater is the distance from the farms, the lower is the density and seed production per square metre.

Słowa kluczowe

EN

density; fertility; Galinsoga ciliata; Galinsoga parviflora; individual size

• Wydawca: Museum and Institute of Zoology, Polish Academy of Sciences
• Czasopismo: Polish Journal of Ecology
• Rocznik: 1999
• Tom: Vol. 47, no 3
• Strony: 353--357
• Opis fizyczny: Bibliog. 14 poz.,

Twórcy

autor

Dostatny D.

• Institute of Botany, Jagiellonian University, ul. Lubicz 46, 31-512 Cracow, Poland

Bibliografia

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