SEJ'ENTEENrH ANNUAL MEETING. 69 



and this block has developed some three dozen cases of yel- 

 lows, both on the home thrown and the purchased trees. At 

 first I thought surely here was a case of nursery infection, as 

 no yellows had been known within five miles of the place up 

 to that time. However, simultaneously with this appearance^ 

 it appeared in at least a dozen places in the neighborhood, 

 mainly on roadside seedlings or on garden trees. It should be 

 borne in mind in considering this matter in Connecticut that 

 we are not running the risk of introducing a new disease. In 

 considering this matter with relation to California and the 

 Pacific Coast, and also in relation to South Africa recently, 

 I have advised that they purchase only in districts outside of 

 the yellows. I could not see my way clear to advise the pur- 

 chase of any nursery trees or the transfer of any scions or 

 bud sticks into these wholly uninfested localities unless it be 

 the introduction of new varieties ; in the latter case, not until 

 special arrangements were made to c[uarantine the stock until 

 it had an opportunity to demonstrate its freedom from this 

 disease. It should be pointed out that perfectly healthy trees, 

 whether they come from outside the yellows area or were 

 grown inside this district, would doubtless catch the disease 

 in exactly the same way when exposed to it. 



, Replanting after Yelixiws. 



Trees can be replanted where a yellows tree has 

 been dug up, and will live and bear well. This 

 has been demonstrated repeatedly for over forty years, 

 so there can scarcely be any question about it. I know 

 there is a difference of opinion in this regard and some or- 

 chardists have felt doubtful about it. A tree so replanted may, 

 however, catch the disease just as the original tree caught it. 

 So many thousands of trees have lived and borne successfully 

 in Michigan and New York State that there can be no doubt 

 about the general fact.. This turns out to be the same with 

 little peach as with yellows. There are other reasons why 

 replanting often fails ; in fact, replanting is much better after 

 the yellows group of diseases than most other peach troubles. 

 For instance, the nematode disease of the roots persists in 



