WINTER INJURY IN RELATION TO SPECIFIC FRUITS 333 



reports instances in which canes growing fairly late in the season have 

 been hardier because they were smaller and of more compact growth and 

 in reality better matured. It is worthy of note, also, that it is a common 

 practice among dewberry growers in the South Atlantic states, where 

 winter injury to cane fruits is by no means unknown, to mow all canes 

 after the fruit has been picked; evidently no serious winter killing to the 

 late growing shoots results. 



Varietal Differences from Year to Year. — Phenological notes on 

 cane fruits are not sufficiently extensive to indicate whether there is any 

 correlation between varietal behavior in regard to maturity and resistance 

 to cold weather. Comparison of the dates of ripening of fruit with the 

 recorded degree of winter killing fails to establish any connection; the 

 same is true with regard to the date of blossoming. There is, furthermore, 

 some inconsistency in varietal behavior. Table 52, arranged from reports 

 on variety tests of blackberry in Massachusetts, shows a considerable 

 fluctuation in the percentage of canes killed in successive winters, with a 

 considerable difference in varieties. Thus Agawam's record is 30-0-0 

 while Erie's is 20-20-80. This indicates that more than one factor must. 



