Seed sources
|
Code
|
Altitude
/m
|
Longitude
/°E
|
Latitude
/°N
|
Annual average temperature
/℃
|
January average/℃
|
July average
/℃
|
Annual precipitation
/mm
|
Frost-free season
/d
|
Sample number
|
Taian, Shandong |
STA |
219 |
117°15′ |
36°12′ |
12.9 |
-2.6 |
26.4 |
697 |
195 |
9 |
Jinan, Shandong |
SJN |
43 |
116°77′ |
36°68′ |
13.6 |
-3.2 |
27.2 |
614 |
235 |
15 |
Haiyang, Shandong |
SHY |
140 |
120°89′ |
36°63′ |
12.0 |
-0.6 |
23.5 |
696 |
207 |
5 |
Yiyuan, Shandong |
SYY |
400 |
117°92′ |
35°89′ |
13.6 |
-0.5 |
26.5 |
730 |
198 |
7 |
Zaozhuang, Shandong |
SZZ |
184 |
116°98′ |
34°73′ |
13.5 |
-0.2 |
26.7 |
875 |
196 |
2 |
Sishui, Shandong |
SSS |
169 |
117°20′ |
35°38′ |
13.4 |
-0.2 |
27.3 |
755 |
200 |
10 |
Xian, Shannxi |
SXA |
425 |
108°45′ |
33°94′ |
13.4 |
-0.6 |
26.5 |
621 |
226 |
6 |
Xuzhou, Jiangsu |
JXZ |
28.8 |
117°31′ |
34°01′ |
14.0 |
2.8 |
28.2 |
865 |
210 |
7 |
Wuhu, Anhui |
AWH |
10 |
117°92′ |
30°77′ |
15.5 |
3.0 |
28.9 |
1200 |
230 |
9 |