Table 1.
Principal eco-geographical features of the collection sites
| Collection number* | Place of collection† | Latitude | Longitude | Altitude (m) | Max. temp. (°C) | Min. temp. (°C) | Average annual rainfall (mm) | Soil type |
|---|---|---|---|---|---|---|---|---|
| MD/ARA/02/026 | Arambagh | 22°52′N | 87°46′E | 14·0 | 36·0 | 15·0 | 1605·0 | Old Alluvial |
| MD/BAD/02/040 | Badu | 22°41′N | 88°27′E | 14·0 | 30·5 | 19·2 | 1625·0 | Old Deltic Alluvial |
| AP/BAR/99/193 | Baromile | 26°46′N | 88°26′E | 280·0 | 29·0 | 8·0 | 2160·0 | Hill and Red Alluvial |
| SB/BHA/03/033 | Bhadreswara,b,c | 22°49′N | 88°21′E | 11·6 | 36·0 | 17·5 | 1523·0 | New Deltic Alluvial |
| MD/CON/01/009 | Contai | 21°46′N | 87°45′E | 5·0 | 36·3 | 19·4 | 1610·0 | Buried Laterite and Coastal Saline |
| MD/DIA/03/073 | Diamond Harbour | 22°11′N | 88°11′E | 0 | 35·0 | 19·0 | 1480·0 | New Deltic Alluvial |
| MD/DIG/03/090 | Digberia | 22°43′N | 88°31′E | 13·0 | 30·7 | 19·6 | 1600·8 | Old Deltic Alluvial |
| SB/DGA/03/035 | Dighraa | 22°54′N | 88°26′E | 11·0 | 36·0 | 17·2 | 1542·0 | New Deltic Alluvial |
| MD/HAS/02/065 | Hasnabad | 22°34′N | 88°55′E | 6·0 | 32·5 | 19·1 | 1630·0 | New Deltic Alluvial |
| AP/KAL/99/151 | Kalimpong | 27°40′N | 88°28′E | 787·0 | 25·0 | 7·0 | 2200·0 | Hill and Red Alluvial |
| SB/MEM/03/071 | Memarid | 23°11′N | 88°7′E | 24·0 | 36·0 | 13·2 | 1621·0 | Old Alluvial |
| MD/NIL/02/053 | Nilganj | 22°45′N | 88°22′E | 14·0 | 36·0 | 20·0 | 1500·0 | New Deltic Alluvial |
| MD/PUR/03/083 | Purulia | 23°19′N | 86°22′E | 227·0 | 42 | 5·0 | 1250·0 | Red and Laterite |
| AP/SAL/99/171 | Salugaura | 26°51′N | 88°16′E | 134·0 | 20·1 | 6·0 | 2500·0 | Hill and Red Alluvial |
| SB/SIB/02/014 | Sibpura, d | 22°34′N | 88°19′E | 10·0 | 30·7 | 19·8 | 1633·6 | New Deltic Alluvial |
| SB/SIN/03/059 | Singurd | 22°48′N | 88°13′E | 13·0 | 36·0 | 16·8 | 1445·0 | Old Alluvial |
| SB/SRE/03/048 | Sreramporec | 22°53′N | 88°24′E | 14·2 | 35·0 | 18·0 | 1580·0 | New Deltic Alluvial |
*
Collection number of representative individual of each population.
†
Locations under different districts of West-Bengal, India.
a
Yellow striation on culm.
b
bending of culm.
c
swelling of internodes.
d
swollen node absent.