ADMINISTRATIVE ORGANIZATIONS 303 



The Bureau of Plant Industry bears the same re- 

 lation to crop production and protection that the 

 Animal Industry and Dairy Bureaus bear to animal 

 production and products. It is concerned with 

 nursery and nursery stock and orchard inspection 

 for the repression of destructive plant diseases and 

 insect enemies. ]S[o person is permitted to keep any 

 plant afPected with certain infectious diseases such 

 as yellows and little-peach of the peach and black- 

 knot of the plum. Xurseries are inspected and given 

 certificates of liealth. More than five liundred such 

 certificates are issued annually. Nursery stock com- 

 ing into the State must be inspected at its destina- 

 tion and carriers are re^juired to give the department 

 notice of shipment. Foreign consignments are in- 

 spected at the port of entry and the customs house 

 brokers handling such stock are licensed. 



Among other provisions of law is one prohibiting 

 spraying fruit-trees when in full bloom in order to 

 protect honey bees. The inspectors of this office look 

 after the trouble known as foul-brood in bees which 

 is very destructive of colonies. The office also en- 

 forces all regulations concerning spray materials for 

 the control of disease and insect enemies, and issues 

 certificates for each brand. Spray materials are sam- 

 pled and analyzed in the same way as feeds and fer- 

 tilizers. The cost of a large part of this inspection 

 is borne by those benefited, by means of a license or 

 tag tax and by other assessments. The San Jose 

 scale, European corn root-borer, gipsy and browntail 

 moth and the blister-rust of the white pine have been 



