QdESTIOXS AND ANSWERS. 



A Codling Moth Parasite 



W. LOCHHKAL), O. A. C, GUELPH. 



IHA\'E received the following letter 

 from ]Mr. Ehrhorn, Deputy Commis- 

 sioner of norticulture, California, regard- 

 ing the parasite of the codling month which 

 he has introduced into California. The 

 codling n:oth is not nearly so destructive in 

 Europe as in America, and it is generally, 

 suspected that a certain parasite keeps the 

 moth in subjection. 



Horticulturists are greatly interested in 

 the codling mcith, which involves millions of 

 dollars losses annually. For many years 

 entomologists and others have heen search- 

 ing for valuable parasites which, if propa- 

 gated in sufiicient numbers, would keep it in 

 check. 



Mr. Ehrhorn's letter is as follows: " We 

 have a parasite of the codling moth, and 

 some have been liberated in various sections 

 of California and we are breeding them at 

 our office. I am unable to give much in- 

 formation with regard to the parasite, as the 

 time has been too short to make any exten- 

 sive observations, but this very insect keeps 

 the codling moth in check in Europe, and 

 W"e are in hopes that it will do the same for 

 us in California. Time only will determine 

 whether or not the parasite will do the 

 work." 



Trees Which Failed to Grow 



W. T. MACOUX, HORTICULTURIST, C. E. P., 



OTTAWA. 



I set out a few apple trees last spring. Some 

 of them did not make any growth, yet they are 

 as green as can be right to the top. I also 

 planted an Austrian pine. It does not look very 

 well, although it is green. Do you think they 

 will grow ? — (Chas. Derdaile, Walkerville, Ont. 



If the apple trees and pine trees were still 

 alive in the autumn of 1904 it is quite hkely 

 that they will live. It very frequently hap- 

 pens that when trees are received in poor 

 condition, or if the soil is not properly pre- 

 pared, or the trees not planted carefully, 

 that they will make little or no growth dur- 



ing the first season. If the winter is very 

 severe it is quite possible that the trees may 

 die, as trees that are not in a thrifty condi- 

 tion suffer, but the chances are that they 

 will live. 



What Varieties Would Be Best ? 



PROF. H. L. HUTT, O. A. C, GUELPH, OXT. 



What varieties of fruit are best suiied for 

 Simcoe county ? Will chestnuts and filberts 

 grow here ? — (W. A. Piatt, Phelpston. 



You have in your immediate neighbor- 

 hood at Craighurst one of our Ontario Fruit 

 Experimenters, ]\Ir. G. C. Caston, who 

 could give you more reliable information 

 ou the subjects mentioned than any one else 

 I know of in that part of the country. The 

 varieties of apples he has found most profit- 

 able are : Duchess, Alexander, Blenheim, 

 Ontario, Spy, and Guano. The Duchess 

 is, on the whole, one of his most profitable 

 varieties, but it is a fall apple, and it would 

 not be wise to plant largely of it unless you 

 are sure of being able to handle the crop in 

 the proper season for market. The Blen- 

 heim, Ontario and Spy succeed best when 

 top worked on some hardy stock, such as 

 Tallman Sweet. 



Chestnuts and filberts would not be likely 

 to succeed in your neighborhood. Chest- 

 nuts grow well naturally in the southern 

 parts of Ontario, but I know of no place 

 where they have been successtully grown in 

 the northern parts of the province. Fil- 

 berts are barely hardy enough for the south- 

 ern sections, and it would be useless at- 

 tempting to grow them in the northern por- 

 tions of Ontario. 



It would be better for Nova Scotia if 

 there were not more than half a dozen varie- 

 ties of apples in the whole province and cer- 

 tainlv in a neighborhood it would not be 

 wise to grow more than half a dozen. No 

 farmer should have more than three varie- 

 ties on his farm for export. — (A. McNeill, 

 Ottawa, before Nova Scotia Fruit Growers' 

 Association. 



