No. of 

 Fruit 



E. M. DOIDGE 



ISourco of 



Kinil of Fruit 



Ciiltuie 



Method of Inoculation 



lii Valencia late oranges ... ... Lemon 1 Needle pricks 



8 ,, ., ,, ... ... Orange 1 ,, „ 



10 .Seedlingoranges(Parson i^rown) — Sterile needle 



10 



3 Seville oranges 



3 ,. „ . 



4 „ „ . 

 3 



1 Citron ... 



1 



1 



1 



1 



8 Naartjes 



4 Navel oranges . 



4 Sweet limes 



4 Naartjes 



6 Sour limes 

 G 



6 „ 



7 ,, ,, 



5 Naveleneia oranges 



4 Sweet limes 

 4 



4 



5 ' ,, ,, 

 7 Sour limes 



] 2 Lemons 

 1 Shaddock 

 1 



4 Grape fiuit 

 4 

 4 

 1 

 1 

 16 Rough lemons 



Result 

 Positive 



No infection 

 Positive 



No infection 

 Doubtful 



No infection 

 Positive 



Lemon I Needle pricks ... 

 Orange ,, ,, 



— Sterile needle 

 Orange Needle pricks 

 Lemon 1 ,. 

 Orange Pricked then atomised 



— Sterile needle ... 

 Lemon II Needle pricks ... 

 Orange ,, ,, ... ... ,, 



Tx-mon II Pricked then atomised „ 



II Hj'podermic syringe ... ,, 



,, II Atomised without wound Negative 

 Orange „ „ ., ,, 



Lemon II ,, „ ,. „ 



— Sterile needle ... ... No infection 



Lemon II Needle pricks ... ... Positive 



Orange ,, ,, ... ... „ 



— Sterile needle ... ... No infection 



Lemon II Needle pricks ... ... Positive 



Orange ,. ,, ... ... ,, 



Lemon II Pricked then atomised „ 



,, II Atomised without wound Negative 



„ II Needle pricks ... ... Positive 



Orange ,, ,, ... ... ,, 



Lemon II Pricked then atomised ,, 



Orange ,. ,, ,. ,, 



Lemon II Hypodermic syringe ... „ 



— Sterile needle ... ... No infection 



Lemon II Atomised without wound Negative 

 Orange ,, ,. .. ,, 



Lemon II Hypodermic sjainge ... Positive 



II Atomised without wound Negative 



— Sterile needle ... ... No infection 



Lemon II Needle pricks ... ... Positive 



Orange „ ,, ... ... ,, 



— Sterile needle ... ... No infection 



Lemon II Needle pricks ... ... Positive 



Orange „ ,, ... ... ,, 



Lemon II Hypodermic syringe ... „ 



Orange ,, ,, ... „ 



Naartje Needle pricks ... ... ,, 



It will be observed from the above schedule that with the exception 

 of the Seville oranges all inoculations were positive on fruit which had 



