96 



GREENHOUSE CLX'UMBERS 



Mr. Work: That makes it worse. A greenhouse is a 

 mighty nice place for a disease to winter over. 



Mr. Spiegel: Have any of the practical growers tried to 

 suspend camphor in the air against the beetles? I have tried 

 it and found it very effective. They stay near the floor. I 

 have also tried it outdoors and it is very effective. In this 

 case, powdered camphor is spread on the ground. 



Mr. Kilbourx: How is the camphor applied? 



Mr. Spiegel: \Ve use it right around the hill. 



Question: How does the cucumber wilt winter over? 



Mr. Work : In the soil. 



Question: Would moth balls do instead of camphor? 

 Mr. Wo?.k : The same thing. 



A Member : I have tried it and could not see much dif- 

 ference. I could not see that the striped beetles kept away. 



A Member : I have seen the striped beetles crawl over the 

 moth balls. 



The red spider is a very dangerous pest. Here again an 

 ounce of remedy is worth a pound of cure. It will not be 

 carried thrcug'h the winter on lettuce, and no plants should 

 be carried through the winter that v%ill harbor it. Chick- 

 weed and other weeds that may grow in out of the way places 

 will nourish this pest over winter and so should be cleaned 

 out of a house. When it once makes its appearance, the only 

 way to fight it is to syringe with a strong stream of water, 

 striking the leaves from the under side. This will dislodge 

 them. In order to be effective, this work will have to be fol- 

 lowed up every day or two. 



Mr. Grannell: Will you explain the system of pruning? 



Mr. Zuck: We generally cut every lateral back after the 

 second or third joint or lateral axil. 



Mr. Wrigley: I would like to know how to take care of 

 anthracnose ? 



Mr. Zuck: We never had it. 



Mr. Jagger: It is sprayed outdoors. I never heard of 

 any spraying being done in the greenhouse. 



