THE BLIGHTS OF CONIFEROUS NURSERY STOCK 65 



essary for the people who are really mer is kept reminded of the 



interested in the subject as protectors owes to the public and to the law- 



of trees to organize their forces into an the land rega rdmg the unlic 



intelligent association, consisting of the he sets in carryingon his operations 



owners of timber or their represents- w 



tives, be that ownership private State. 2 rec gmze as a f ^ " ' th 



or national. These conditions supplied ^ C , reated r for lhe us * of 



the primal reasons for the birth and "? an > and that when a forest becon 



growth of this great organization npe / sho " ld be cut without waste and 



"This association, being made up of USed ' so that nature can g et t( ' work 



the bulk of the intelligent, organized ef- f n the " ew rowth and perfect a new 



fort for the prevention of forest fires fores: for future generations. We arc 



in the territory which it covers, has not so mucn concerned in saving tj m - 



been enabled to draw to itself most of ber ? or generations yet unborn as we 



the potent factors necessary to its sue- are in saving our present crop from 



cess by the natural laws of gravitation, useless destruction, harvesting it intel- 



We began by placing attractive litera- Hgently and starting the new crop gro\\ 



ture on the subject in all the district m g and protecting the new growth, 



schools, thereby educating the children Nature will still grow new trees if we 



along right lines, and they in turn eclu- keep the fires out and just let her work, 



cated their parents. Now the first Prevent and put out the small fire and 



smoke that appears is instantly reported you will have no large fires." 



to one of our rangers by the first per- Reports on fire conditions in their 



son that discovers it, over some unit of various districts were made by officials 



the network of telephone lines which of the various fire-protective organiza- 



we have constructed through the tim- tions of Oregon, Washington, Califor- 



bered district, and one or more of the nia, Idaho, and Montana, as well as 



great army of workers jumps on the Government officials of the United 



fire and puts it out. Our rangers reporc States and Canada, and there were sev- 



to the country newspapers, and through era! addresses on other phases of for- 



this medium a live interest in the sub- estry. There was a most gratifying at- 



ject of forest protection is steadily kept tendance both from the United' States 



in the public mind. The careless and Canada, and the conference was in 



camper and logger and the heedless far- every way a splendid success. 



THE BLIGHTS OF CONIFEROUS NURSERY STOCK 



A NUMBER of different blights, roots of the plants affected die b.'fore 



concerning which little has been or at the same time as the tops. 1 )eath 



known, do considerable damage is caused by excessive water loss. It 



to conifers in nurseries in the usually occurs when the air is hot and 



United States, according to Bulletin dry and the soil around the roots is 



No. 44, Bureau of Plant Industry, U. S. dry. The disease is worse on sandy 



Department of Agriculture. The in- soils in crowded beds and on raised 



creasing amount of forest planting and parts of beds. On sandy soils it may 



the danger that imported stock ;will kill suddenly and in definite patches 



bring in serious tree diseases make it Successful preventive measures that 



especially important that methods of have been tested by the department arc 



controlling these blights be found in watering, shading and avoidance oi 



order to encourage the growing or crowding. In nurseries located on 



planting stock in this country. mineral soils the humus content should 



Sun scorch is the commonest sum- be increased, 



mer trouble among nursery stock. The Winterkilling, another disease, 



