Ml 



.:Ito 



.'.d'^riijp.ti; ' f-'fA io 20301 



4 ; v 'vii-ii'7/ 



CHAPTER HI. 



. 



INFLUENCE OF CLIMATE, CULTURE, AND OTHER 

 CAUSES. 



THE importance of attention to the variation in 

 , fruit, caused by a change in climate, soil, and culti- 

 vation, appears to be much underrated. While 

 the peculiar or essential character remains unchang- 

 ed, the quality, or degree of excellence, is variously 

 modified. This is sometimes so great that serious 

 disappointment results ; and high expectations caus- 

 ed by success in one case, are defeated by differ- 

 ent circumstances in another. Hence the neces- 

 sity of understanding these modifying influences. 



The changes produced by climate are greater in 

 some classes of fruits than in others. The Cherry 

 varies but little in character and quality ; the fine 

 varieties originated by Thomas Andrew Knight 

 near London, are also among the finest when 

 removed to the northern states of America. This 

 may be owing in part to their period of maturity, 

 which, occurring early in summer, could not be 

 influenced by the length of the seasons. But 

 with the Apple, Pear, and Peach, the case is quite 



