CONTENTS. 



Field meetings, 



Frost predictions, . 



Study of cranberry varieties. 



Additions to station equipment, 



Yields in 1919 and 1920, 



Fungous diseases, . 



The "Rose bloom" disease 



Wisconsin false blossom. 



Fungous injury to small berries caused by submergence. 



Spraying for the control of fungous diseases. 



Keeping tests with the Pride variety, 



Insects, ......... 



The green spanworm (Cymatophora sulphurea (Pack.)), 

 The brown spanworm (Epelis truncataria var. faxonii Minot) 

 The cranberry girdler (Crambus hortuellus Hiibner) , 

 The cranberry root grub {Amphicoma vulpina Hentz.), 

 The army worm (Cirphis unipuncta Haw.), 

 The cranberry fruit worm (Mineola vaccinii Riley), 

 The black-head fire worm {Rhopobota vacciniana (Pack.)) 

 The gypsy moth (Porthetria dispar L.), 



Bog management, ...... 



Resanding, ....... 



Relation of weather to cranberry flooding injury 



Water injuries to cranberry buds. 



Blueberry work, ...... 



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