Appendix /. 



(2) SCALE INSECTS, BARK LICE AND WOOLLY APHIS 

 (AMERICAN BLIGHT) (70). 



Name of Pest. Plants attacked. Remedies. 



Mussel scale (107) . . Apple and (i) Caustic alkali wash 

 black cur- (2) Woburn wash (70). 

 rant. (3) Paraffin emulsions, or 



Brown scale (223) . . Plum, cur- (4) Lime sulphur.* 



rants and Washes, applied in 



gooseberry winter. 



White woolly . . . Currants and 

 currant scale gooseberry. 



Woolly aphis (34) . . Apple and 



pear. 



Oyster-shell bark . . Apple and 

 scale (210) plum. 



Winter washes which contain caustic soda will also remove 

 moss, green-mould and lichens from the trees, thus doing 

 away with the hiding places and breeding places of many 

 insect pests. 



(3) LEAF-EATING CATERPILLARS. 



Name of Pest. Plants attacked. Remedies (POISON). 



Codlin moth (30) . . . Apple. Arsenate of lead, Paris 



Winter moth (4) . . Apple and green, or London 

 and similar pests. other fruit purple washes sprayed 



trees. on the trees in leaf. 



(4) GRUBS ATTACKING GARDEN VEGETABLES. 



Name of Pest. Plants attacked. Remedies. 



Onion fly grubs (31) . Onions. Paraffin emulsion ap- 



Carrot fly grubs (38) . Carrots. plied as a preventa- 



Celery fly grubs (35) . Celery and tive in spring and 



parsnips. summer. 



(5) MILDEWS, RUSTS, ETC. 



Apple mildew (204), apple and pear scab (131), brown 

 rot (86), peach leaf curl (120), American gooseberry mil- 

 dew (195), onion mildew (178) may all be checked if the 

 crop is sprayed at the right time and with the appro- 

 priate remedies. 



* The continuous use of spraying machines made of copper 

 for lime-sulphur washes is not recommended, as these washes 

 corrode the copper, but they may be used occasionally if they are 

 afterwards thoroughly washed out and cleansed. Leaflet F. P. 

 116 on the care of Knapsack Spraying Machines may be obtained 

 from the Food Production Department, 72, Victoria Street, 

 London. S.W. i. 



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