150 ORANGE CULTURE IN FLORIDA. 



conveying the sap from the roots to the leaves and 

 smaller branches, so full of the roots of the fungus 

 as to first impede and then to entirely stop the flow 

 of sap to the extremities of the branches and leaves, 

 so that death comes to these from strangulation. 



Remedies. First cut off all branches of less than 

 an inch in diameter. Next spray the tree and 

 neighboring trees to prevent the spread of germs 

 with some solution of sulphur sulphate of lime, 

 five pounds to forty gallons of water ; sulphate of 

 iron, copperas, one pound to forty gallons of 

 water. This spraying should be kept up occasionally 

 till you are convinced that the germs of the disease 

 are killed. Broadcast over the ground pulverized 

 copperas at the rate of one hundred pounds to the 

 acre. 



A friend to whom I gave some years ago this 

 prescription, thinks that he hastened the cure by 

 lifting the bark of the trunk and applying the flower 

 of sulphur. His success was complete. 



The symptoms of this disease are so marked and 

 so characteristic that nothing needs to be added on 

 this point beyond what has already been said in 

 this volume. 



Causes. Excess of nitrogenous fertilizers will 

 produce the die-back. Proximity of trees to stables 

 or cowpens, deposits of slops from house, chicken 

 pens, the roosting of fowls in the trees, excess of 



