I - --ii

128
Genotypes
Table 2
Grain yield of chickpea genotypes
as affected by dates of planting at Tel Hadya, 1979-80.
Grain yield (kg/ha)
Date of planting
Ncv 20 Dec 19 Feb 13 Mar II
ILC 482 3400 2470 1640 970
ILC 190 3310 2850 1540 920
ILC 202 2560 1930 1080 1090
ILC 215 2500 2160 970 260
Syrian Local 1000 1010 880 930
(ILC 1929)
Mean of 20 2100 1580 1130 970
genotypes
LSD (5%) for da:es 0.25 t/ha.
LSD (5%) for two genotypes at same date 980 kg/ha.
Table 3
Performance of ILC 482 in relation to the thermal regimes during vegetative(i e.from emergence to
onset of flowering) and reproductive (i.e. from onset of flowering to maturity) phases on different
dates of planting at Tel Hadya, 1979-80.
Dates of planting
Parameter Nov 20 Dec 16 Feb 13 Mar II
I. Mean Temperature (°C) during:
Vegetative phase:
Maximum 14.0 17.8 21.3 23.3
Minimum 4.7 7.2 9.1 9.6
Average 9.4 12.5 15.2 16.5
Reproductive phase:
Maximum 29.1 31.7 33.4 34.7
Minimum 12.6 14.9 15.7 17.8
Average 20.9 22.9 24.7 26.3
2. Yield (kg/ha)
Shoot phytomass 6730 4960 3530 1920
Straw 3330 2490 1890 950
Grain 3400 2470 1640 970
3. Harvest index 0.50 0.49 0.46 0.50
4. Water-use efficiency 7.94 5.78 3.83
(kg grain/mm. water/ha)
2.27