DEPARTMENT OF LANDS AND FORESTS FOR 1931 151 



to prevent the spread of this pest. No new infestations were reported, however, 

 nor has the attack come in any way close to the nursery. 



(c) Fungi. 



White Pine Blister Rust. A considerable start was made this season in the 

 control of the White Pine Blister Rust. All plantations within a radius of 

 several miles were visited and where infections were located the owners were 

 advised as to the measures to be adopted for control purposes. In the vicinity 

 of the nursery itself all species of ribes within an area of one square mile were 

 destroyed to do away with the alternate host. 



In the Durham County Forest numerous infections were located in both 

 mature and immature white pine. The situation has become so serious as to 

 lead to a decision to cease growing and shipping white pine trees from the 

 nursery until control measures have had a chance to become more thoroughly 

 effective. 



An experiment in spraying the various species of ribes with chemical weed 

 killers was attempted but was finally abandoned as being too dangerous to 

 live stock. 



(5) Woodlot Improvement 



On the two hundred acre block in Manvers Township, slash from logging 

 and cordwood operations was cleared over an area of about twenty-five acres. 

 Tops were lopped and brush piled and burned. The remainder of the area 

 which was damaged by fire during the summer of 1930 was clear cut — some 

 five acres being so treated. The wood which was badly charred in most cases 

 was used for firewood on the nursery. 



(6) Publicity 



A general awakening to the value and the necessity of reforestation, not 

 only on the part of farmers and others directly concerned with planting, but 

 also by business men, is much in evidence. The increasing number of requests 

 for lectures from Service Clubs and Horticultural Societies, not only on general 

 reforestation but upon specific phases of the subject and the calls for advice 

 regarding the purchase and planting of areas of from one hundred acres in 

 areas up, are an indication of this. 



The Municipal Demonstration Plots, which have been established in the 

 district, are continuing to bring much favourable comment. The establishment 

 of these plots should be increased to a maximum. They are one of the most 

 inexpensive and, at the same time, one of the most effective methods of attracting 

 favourable attention. 



Exhibits were placed at five fall fairs. An effort was made to reach the 

 agricultural communities most interested and to spread the exhibit over as 

 much territory as possible. As a result the exhibit visited only one fair in each 

 near-by county, as follows: Oshawa in Ontario county, Lindsay in Victoria 

 county, Norwood in Peterborough county, Markham in York county, Orono 

 in Durham county. Results were exceptionally good throughout. 



In addition to the fall fairs, the exhibit was placed at the International 

 Ploughing Match near Peterborough. These ploughing matches offer an un- 

 excelled opportunity for reaching the public interested and, where possible, an 

 exhibit should be placed at the International Match at least. 



In connection with our exhibit this year we added certain features to show 

 the fire protection of the work of the Branch. This was done in co-operation 



