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Population studies on Pennyroyal Mint ( Mentha pulegium L.) II. Seed banks
Author(s) -
PANETTA F. D.
Publication year - 1985
Publication title -
weed research
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.693
H-Index - 74
eISSN - 1365-3180
pISSN - 0043-1737
DOI - 10.1111/j.1365-3180.1985.tb00649.x
Subject(s) - trampling , pasture , biology , grazing , agronomy , population , botany , horticulture , demography , sociology
Summary An investigation of seed banks found under populations of M. pulegium located within and outside pasture systems revealed that seed densities were sixteen times greater when this species occurred in pastures. The sizes of seed banks were not positively related to current seed production, but larger seed banks appeared to be associated with higher levels of soil disturbance arising from trampling by grazing stock. Densities of buried seed were very high under pasture populations (range 55 000–176 000 m −2 ), which illustrates the impracticality of attempts to eliminate M. pulegium from this type of community.