10 



TENTH BIENNIAL REPORT 



1,304,293 plants inspected from December 1, 1916, to June 30, 1918, 

 only 385 were found to be unfit for sale. 



Nurseries within the state are inspected yearly and if the stock 

 is found to be free from pests and diseases certificates of inspec- 

 tion are granted to the nurserymen. Very little stock is now growing 



Spraying with higli pressure gives efficient control of orchard enemies. 



in Montana. i\Iost of the danger lies in nursery stock shipped into 

 Montana and too cjircful watdi cannot ])v kept on tliese shipments. 



Enforcement of Quarantines 



The State of Montana at the present time is maintaining three 

 quarantines which are printed elsewhere in this report. They are 

 directed against the spread of white pine blister rust, wheat rust, and 

 the alfalfa weevil. All horticultural inspectors are charged with the 

 enforcement of the quarantine provisions. This* work naturally fiti 

 in with the fruit and nursery stock inspection and the horticultural 

 force is well organized to accomplish results. 



