Life Sciences Commons^™

The Control Of Weeds In Orchards, Geoffrey A. Pearce, S. E. Hardisty

Journal of the Department of Agriculture, Western Australia, Series 4

THE use of herbicides for the control of weeds in orchards has become established during the past few years.

It has become more efficient with the introduction of newer herbicides which have proved more effective and less dangerous than some of those recommended in the past.

Recommendations For Doublegee, Geoffrey A. Pearce

Journal of the Department of Agriculture, Western Australia, Series 4

Is it worth losing the legume component of the pasture in order to kill the doublegee?

Gorteria : A Recently Recorded Weed, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

A NUMBER of our major weed pests including Cape t u l ip and double gee are native to South Africa.

It is not surprising, therefore, that Gorteria, recently recorded for the first time in Western Australia, also comes from that country.

White Rust Of Gerberas, R F. Doepel

Journal of the Department of Agriculture, Western Australia, Series 4

WHITE rust has proved to be a most damaging fungal disease of Gerberas.

Frequent fungicidal sprays are recommended for susceptible varieties in late winter and spring.

Herbicides For Firebreaks, Geoffrey A. Pearce

Journal of the Department of Agriculture, Western Australia, Series 4

IN recent years, great interest has been shown in the possible use of chemicals for creating firebreaks as an alternative to cultivation.

The advantages are obvious, and suitable treatments are available; the main deterrent at the present time is cost.

Weed Control : Watsonia, Onehunga Weed, Western Australia, Geoffrey A. Pearce

Journal of the Department of Agriculture, Western Australia, Series 4

Suggested controls for two persistent weeds.

A Herbicide For Native Poison Plants, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

THE usual method of killing poison plants is by a programme of ploughing, cropping and burning.

The burning not only destroys a proportion of the plants, but stimulates the germination of dormant seeds, which otherwise would remain in the soil in a viable condition for many years.

Weed Control In Irrigation Channels, Geoffrey A. Pearce

Journal of the Department of Agriculture, Western Australia, Series 4

Probably the major task involved in maintaining drainage and irrigation channels is the regular removal of weed growth.

The cost of hand chipping a standard head channel is approximately 10s. per chain.

The use of suitable chemicals could reduce this cost considerably.

Control Of Bamboos, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

Bamboos can be controlled by spraying with a solution containing 2,2-DPA.

Weed Control : Cotton Fireweed, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

COTTON FIREWEED is a native perennial plant which has developed as a serious weed in the south coastal areas.

Being a perennial it makes quick, active growth following summer rains and rapidly outgrows annual pasture plants.