232 
Joumdl of Agricultural Research 
Vol. XXVIII, No. 3 
Table I .—Relative susceptibility of the wild relatives of Citrus to canker 
Genus and species 
C. P. B. 
No.« 
Type of 
plant 
Location 
Num¬ 
ber of 
plants 
Results 
Rutaceom plants not closely 
related to the genus Citrus 
Melia azadarach._ 
Alabama 
Seedling... 
Field. 
6 
Negative. 
Xanthoxylum bungei_ 
11180 
...do. 
Greenhouse 
1 
Do. 
Xanthoxylum sp. 
11269 
...do. 
.do_ 
1 
Do. 
Casimiroa edulis_ 
7923 
_do_ 
_do_ 
3 
TjAaves only at wounds. 
...do. 
Field. 
1 
Do. 
Toddalia asiatica. 
lii45 
...do. 
Greenhouse 
1 
Negative. 
Glycosmis pentaphylla. 
2905 
...do. 
_do. 
2 
Do. 
do 
Field „ 
2 
Do. 
Claucena lansium. 
7936 
—do_ 
Greenhouse 
2 
Leaves only at wounds. 
...do. 
Field. 
4 
Negative. 
Chalcas exotica_ 
7975A 
_do_ 
Greenhouse 
2 
Leaves only at wounds. 
7980 
—do.. 
Field. 
7 
Negative. 
Tribe Citreae, subtribe Aeglinae 
Aegle marmelos_._ 
7759 
_do_ 
_do_ 
2 
Do. 
7983 
...do. 
Greenhouse 
2 
Leaves only at’wounds. 
Aeglopsis chevalieri_ 
7633 
_do_ 
_do . . 
1 
Negative. • 
...do_ 
Field_ 
1 
“Do. 
7772 
Cutting... 
Greenhouse 
2 
Do. 
Chaetospermum glutinosum. 
7138 
Seedling— 
Field_ 
2 
Susceptible minus. 
7799 
—do. 
Greenhouse 
Do. 
- 
_do. 
Field. 
Negative. 
7814 
...do.. 
Greenhouse 
Susceptible minus. 
_do. 
Field. 
Negative. 
Balsamocitrus dawei.., 
2920 
Budded &. 
Greenhouse 
1 
“Do. 
—do. 
Field. 
1 
Do. 
Siibtribe Feroninae 
7725 
Buddedc. 
.do. 
1 
Do. 
Feronia limonia. 
2763 
Seedling... 
Greenhouse 
3 
Leaves only, mostly at wounds. 
...do. 
Field_ 
, 5 
Negative. 
11287 
...do. 
.do. 
2 
Do. 
Fernniella lurida _ _ . 
7882 
. do 
Greenhouse 
2 
Leaves only, mostly at wounds 
Subtribe Lavangime 
Field....... 
7 
Do. 
Hesperethusa crenulata—... 
2758 
...do. 
.do. 
4 
Susceptible minus. 
2759 
-.do-. 
Greenhouse 
2 
Do. 
—do. 
Field. 
4 
Do. 
Triphasia trifolia__ 
2689A 
—do... 
Greenhouse 
2 
Negative. 
* 
...do. 
Field. 
2 
“Do. 
7780 
...do. 
Greenhouse 
1 
Do. 
Paramignya monophylla.... 
7874 
...do. 
.do. 
1 
Leaves easily infected. 
Severinia buxifolia.. 
2760 
Cutting... 
-do_ 
2 
Negative. 
_do. 
Field. 
17 
Do. 
Subtribe Citrinae * 
11322 
Seedling_ 
.do. 
12 
Do. 
Citropsis schweinfurthii. 
7999 
...do.. 
.do. 
2 
Negative. 
11260 
—do_ 
Greenhouse 
2 
Leaves only at wounds. 
...do. 
Field. 
5 
Negative. 
Atalantia citrioides. 
7534 
Cutting... 
Greenhouse 
4 
Leaves easily infected. 
_do. 
Field. 
4 
Do. 
Atalantia ceylonica. 
11225 
Seedling_ 
Greenhouse 
1 
Leaves and stems easily in- 
fected. 
Ponciras [trifoliata. 
Alabama 
..-do. 
.do. 
4 
Extremely susceptible. 
_do. 
Field_ 
24 
Do. 
Eremocitrus glauca.. 
7239 
_do_ 
Grpp.rihniisfi 
4 
Siispppt.ihle minus. 
—do.. 
Field__ 
9 
Do. 
Fortunella margarita. 
7597 
...do. 
Greenhouse 
3 
Leaves only, resistant. 
11302 
_do. 
Field. 
3 
Do. 
11327 
...do. 
.do. 
2 
Negative. 
Fortunella japonica_ 
. 11301 
_do _ . 
Greenhouse 
3 
Leaves only, resistant 
...do. 
Field. 
2 
Do. 
Fortunella crassifolia. 
7946D 
_do.. 
_do.. 
3 
Negative. 
11047 
...do. 
Greenhouse 
6 
Leaves only, resistant. 
11047A 
...do_ 
Field. 
3 
Negative. 
Fortunella hindsii. 
11046A 
...do.. 
Greenhouse 
4 
Susceptible minus. 
...do. 
Field—-.... 
8 
Do. 
11319 
...do_ 
_do_ 
6 
Do. 
Microcitrus australasica. 
7600 
Cutting... 
Greenhouse 
3 
Do. 
Seedling_ 
Field. 
5 
Do. 
7600B 
-.-do...—__ 
Greenhouse 
2 
Do. 
...do. 
Field_ 
5 
Do. 
Microcitrus australasica san- 
7775B 
...do. 
Greenhouse 
1 
Do. 
guinea. 
Microcitrus garrowayi. 
11008 
Cutting... 
_do. 
3 
Do. 
...do. 
Field. 
2 
Do. 
Microcitrus australis. 
7357 
...do. 
Greenhouse 
2 
Do. 
...do. 
Field. 
3 
Do. 
7427 
Seedling... 
Greenhouse 
1 
K 
Do. 
n A 
M 
'""7775E‘ 
_ao__ 
Cutting... 
J? ICICI —..... 
.do. 
O 
2 
DO. 
Do. 
« Crop Physiology and Breeding Investigations. & On Aeglopsis chevalteri. c On Aegle marmelos. 
