Department of Plant Pathology. Ixvii 



enabled to establish a field laboratory early this spring for the pur- 

 pose of getting data on tiiis problem. Mr. Errett \\'allace was put 

 in charge of this work. During the summer, the Niagara Sprayer 

 Company of IMiddleport, X. Y., proposed to establish an Industrial 

 Fellowship in the Department of Plant Pathology for a full in- 

 vestigation of the whole problem of the fungicidal value of lime- 

 sulfur solutions. This fellowship was accepted by the Trustees 

 of the University, and Mr. Wallace was appointed Fellow. The 

 fellowship carries witli it a substantial salary and sufficient money 

 with which to properly conrluct the work. The work for the 

 present season has been continued in the orchard of Mr. Frear. 

 The results so far obtained are very striking, particularly on apples. 

 Weather conditions in the orchard where our experiments are un- 

 der way were very favorable to the development of Bordeaux 

 injury on susceptible varieties sprayed with Bordeaux. On a few 

 trees sprayed with the lime-sulfur, the fruit is perfectly clean and 

 free from injury of any kind, and a striking contrast to the 

 Bordeaux-sprayed fruit on trees in the next row. Arsenate of 

 lead was used with lime-sulfur as effectively as with the Bordeaux. 

 The work on the peaches has also given some interesting results. 

 However, it will require another season in which to get results 

 that may be fully depended on. This season has not been favor- 

 able to the development of the rot, but nevertheless the lime-sulfur 

 solution has reduced the percentage of rot present in early peaches 

 to a very considerable degree. The present season's work is to be 

 considered only as preliminary and the results will require the con- 

 firmation of another season or more. The lime-sulfur gave ex- 

 cellent results in the control of Peach Leaf Curl, being just as 

 effective as Bordeaux. 



The Department of Plant Pathology has this year established a 

 new policy for conducting the investigations on diseases of press- 

 ing importance in this State. With the increasing demand for 

 field laboratories for the extended investigations of particular 

 diseases in different localities, it has become impossible for the 

 department with the funds at its disposal to adequately meet these 

 demands from growers. We are now making it a uniform policy 

 to undertake only those investigations which are of sufficient im- 

 portance to the grower to warrant his financial co-operation with 

 the department in undertaking the work. Of the seven field labora- 

 tories in operation this season in the State, five were very largely 

 supported financially by growers, and there is now on file in the 



