Fruit Trees in Pots the Year 'Round 221 



heat, while if the day is dull and there is no sun, 

 the temperature may be as low as 45 degrees. 

 The sun-heat temperature, of course, means with 

 the ventilators slightly open. The house is 

 closed as soon as the sun's rays begin to decline, 

 so as to conserve the solar heat as long as pos- 

 sible. 



Maintain a night temperature of 42 degrees 

 until the buds show signs of swelling. The ob- 

 ject of keeping such a low night temperature is 

 to allow the sun to do all the forcing, and so 

 imitate nature as closely as possible. At this 

 time, with swelling buds, raise the night tempera- 

 ture to 50 or 55 degrees, with same temperature 

 on cloudy days. In sunny days the temperature 

 is kept the same as before. 



From the start, the trees are syringed twice 

 every bright day until the blooms are opening; 

 then cease syringing, only dampening the floors 

 once or twice about the middle of the day, and 

 keeping a light, buoyant atmosphere in the house. 



The trees are gently shaken to distribute the 

 pollen. If the weather is cloudy during the 

 flowering period, go over the blossoms with a 

 camel's hair brush. This assists the distribution 

 of pollen and gives a more even set of fruit. 



As soon as the fruit is set syringe on every 

 favorable occasion, ventilating as freely as the 



