Drought Tolerance in Wheat

Table 2

Yield losses at reproductive growth stages under drought in wheat.

Reproductive stage	Yield loss (%)	Reference
Higher grain protein content, fewer days to physiological maturity, smaller kernel weight and diameter, less grain yield	Not applicable	[53]
Less grain yield (drought-tolerant variety)	43	[54]
Less grain yield (drought-sensitive variety)	26	[54]
1000-grain weight	18.29	[1]
	5	[3]
1000-grain weight (anthesis stage)	38.67	[50]
Biological yield	10	[1]
Maximum grain yield	22	[1]
Decreased seed number	64	[3]
Grain formation stage	101.23	[49]
Grain formation stage	65.5	[51, 52]
Number of spikes	19.85	[50]
Number of spikes (anthesis stage)	15.79	[50]
Spike length (anthesis stage)	16.90	[50]
Number of spikelets per spike (anthesis stage)	26.20	[50]
Grains number (anthesis stage)	72.51	[50]
Grain yield (anthesis stage)	64.46	[50]