Factors determining seed persistence of Chondrilla juncea L. (skeleton weed) in southern Western Australia [weed of cereals]

Panetta, F.D.

Factors determining seed persistence of Chondrilla juncea L. (skeleton weed) in southern Western Australia [weed of cereals]

1988

Panetta, F.D. (Western Australian Dept. of Agriculture, Perth. Weed Science Branch)

Skeleton weed shows little protection from germination during summer rainfall events that are insufficient to guarantee seedling survival. While seeds on the surface are less likely to germinate in such circumstances, they are liable to predation by ants. An analysis of climatic records for Western Australia for the period in which the weed has been known there indicates that seed losses must have been considerable; the persistence of the weed is apparently due to its capacity for vegetative regeneration.

显示更多 [+]