- 5 - 



Rece 

 of Idaho 

 py ri d i ent 

 carbazone 

 sorbed by 

 cant cont 

 h e X i m i d e 

 subsequen 

 protected 

 heal i ng o 

 on trees 

 acti vi ty 



nt re 

 indie 

 h i 1 , 

 , bot 



peac 

 rol a 

 thi OS 

 t inf 



tree 

 f air 

 al rea 

 again 



search 

 ates th 

 1 - X i d 

 h in t h 

 h trees 

 gainst 

 emi carb 

 e c t i n 

 s from 

 eady in 

 dy infe 

 St the 



by Hel ton 

 at certai 

 e ( m a d i n 

 e e X p e r i m 

 and give 

 the peach 

 azone spr 

 by canker 

 subsequen 

 fected wo 

 c t e d with 

 es tab! i sh 



and 

 n ch 

 e-14 

 enta 



goo 



can 

 ays 



fun 

 t i n 

 unds 



can 

 ed i 



assoc 

 emi cal 

 84), a 

 1 s tag 

 d prev 

 ker f u 

 compl e 

 gi , wh 

 f ecti 

 . Bot 

 kers , 

 nf ecti 



iates a 

 s , espe 

 nd cycl 

 e , are 

 enti ve , 

 ngus Ya 

 tely pr 

 ile Oma 

 ns , but 

 h compo 

 demons t 

 ons . 



t the 

 c i a 1 1 

 ohexi 

 syste 



and 

 Isa a 

 otect 

 d i n e - 



i t a 

 unds, 

 rated 



Uni V 

 y sod 

 mi de 

 m i c a 1 

 some 

 incta 

 ed tr 

 1484 

 Iso p 

 when 



ther 



ers i ty 

 i u m 2 - 

 thi OS emi • 

 ly ab- 

 erradi - 



Cyclo- 

 ees from 

 not only 

 romoted 

 sprayed 

 a p e u t i c 



References 



Helton, A.W. and K.G. Rohrbach. 1967. Chemotherapy of Cytos-pova 

 canker disease in peach trees. Phytopathology 57: 442-446. 



Hickey, K.D. and K.G. Parker. 1967. Peach cankers and their con- 

 trol. Penn. Fruit News Vol. XXXXVI (4): 15-20. 



Hildebrand, E.M. 1947. Perennial peach canker and the canker com- 

 plex in New York, with methods of control. Covnell Univ. Agri. 

 Expt. Sta. Memoir 276: 1-61. 



McCubbin, W.A. 1918. Peach canker. Can. Dept. Agria., Bull. 37, 

 1-20, illus . 



*************** 



FOR TRIAL - RECENT PEACH INTRODUCTIONS 



Walter D. Weeks 

 Department of Plant and Soil Sciences 



This trial list of peach varieties is presented so that grow- 

 ers may select new introductions to supplement varieties that they 

 are presently growing. The varieties are listed in approximate 

 order of ripening. Many of them have not yet fruited in our new 

 plantings at the Horticultural Research Center, and some of the 

 more recent ones have not been planted yet. Therefore, the descrio- 

 tions are based primarily on those given by the originator. The ■ 

 performance of these new peaches under Massachusetts conditions 

 may or may not be similar to that in their place of origin. 



Collins is a medium sized early peach that ripens before Sunrise. 

 The tree is hardy, vigorous and productive. The flesh is yellow 

 and quality is good for an early peach. It is semi-cling when 

 picked. 



Golden Dawn is a seedling 

 orchard of Jonathan Davis 



peach that was discovered in the Bolton 

 in 1953. It is a yellow peach of high 



