16 REPORT OF STATE BOARD OF HORTICULTURE. 



Rule 5. Fruit of any kind grown in any foreign country, 

 or in any of the states or territories, found infested with any 

 insect or insects, or with any fungi, blight or other disease or 

 diseases injurious to fruit or fruit trees, or to other trees or 

 plants, is lierel)y prohibited from being offered for sale, gift 

 or distribution within the state. 



Rule 6. Any boxes, packages, packing material and the 

 like infested by insect or insects, or their eggs, larvae or pupae, 

 or by any fungi, blight or other disease or diseases know^i to 

 be injurious to fruit or to fruit trees, or to other trees or plants, 

 and liable to spread contagion, are hereby prohibited from 

 being offered for sale, gift, distribution or transportation until 

 said material has been disinfected by dipping it in boiling 

 water and allowing it to remain in said boiling water not less 

 than two minutes ; such boiling water used as such disinfect- 

 ant to contain, in solution, one pound of concentrated potash 

 to each and every ten gallons of water. 



Rule 7. All trees, plants, grafts, cuttings, buds or scions 

 may be disinfected by dipping in a solution of three-fourths 

 of a pound of whale-oil soap (eighty per cent.) to each and 

 every gallon of water; said whale-oil soap solution shall be 

 kept at a temperature of one hundred to one hundred and 

 fifteen degrees. Said trees, plants, cuttings, grafts, buds or 

 scions shall remain in said solution not less than two minutes. 

 After said trees, plants, cuttings, grafts, buds or scions have 

 been disinfected they shall remain in quarantine fourteen 

 days, unless otherwise directed by the inspecting officer, for 

 subsequent inspection, and if deemed necessary by the quar- 

 antine officer of the State Board of Horticulture, or a duly 

 commissioned quarantine guardian, for further disinfection. 



Rule 8. All trees, plants, cuttings, grafts, buds or scions 

 may be disinfected by fumigation with hydrocj^anic acid gas, 

 as follows : Said trees, plants, cuttings, grafts, buds or scions 

 shall be covered with an air-tight tent or box, and for each 

 and every one hundred cubic feet of space therein, one ounce 

 of C. P. cyanide of potassium (ninety-eight per cent.), one 

 fluid ounce of sulphuric acid, and two fluid ounces of water 

 shall be used. The cyanide of potassium shall be placed in 

 an earthenware vessel, the water poured over the said cyanide 

 of potassium, afterward adding the sulphuric acid, and the 

 tent or box to be immediately closed tightly, and allowed to 

 remain closed for not less than forty minutes. After said trees, 

 plants, cuttings, grafts or scions have been treated with hydro- 



