4 BITTER PIT INVESTIGATION. 



CONTENTS Continued. 



PAGE 



B. Pruning Experiments 6. Burnley Horticultural Gardens, Victoria . . . . 35 



7. Deepdene, Victoria 



8. Bathurst, New South Wales 41 



9. Yaneo, New South Wales . . . . . . . . 43 



10. Blackwood, South Australia 



Pruning of London Pippin and Rome Beauty at Ringwood . . . . . . . . 45 



Pruning of Gansel's Bergamot Pear tree at Bendigo . . . . . . . . 45 



Effect of Pruning at Different Seasons . . . . . . . . . . . . 40 



Root Pruning 



Pruning to Buds at Different Angles . . . . . . . . . . . . . . 47 



Laterals in their relation to Bitter Pit . . . . . . . . . . . . . . 47 



(J. Experiments with Stocks 11. Burnley -Horticultural Gardens, Victoria .. .. 48 



12. Campbell's Creek, Victoria .. .. .. .. 54 



13. Blackwood, South Australia .. .. .. .. 55 



[), Tillage Tests 14. Blackwood, South Australia .. .. .. .. 57 



K. Irrigation Experiments . . . . . . . . . . . . . . . . 58 



F. Cold Storage Experiments . . . . . . . . . . . . . . . . 58 



VIII. The Cause of Bitter Pit . . 59 



IX. The Control of Bitter Pit .. ..61 



General Summary . . . . . . . . . . . . 04 



Literature . . . . . . . . . 07 



Explanation of Plates . . . . . . . . . . . . . . 08 



Appendices I. Production of Apples in the various States of the Commonwealth for the past eight 



seasons . . . . . . . . . . . . . . 143 



II. Monthly Rainfall at Experiment Stations during 1 915 and first four months of 1916 143 



111. Daily Rainfall at Burnley aad Box Hill during first four months of 1910 .. .. 144 



