Temperature For Seed Germination

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MINIMUM AND OPTIMUM SOIL TEMPERATURES FOR SEED GERMINATION

Crop Minimum (°C) Optimum (°C) Maximum (°C)
Rice 10 to 15 31 36-38
Cotton 14 to 15 33 to 35 39-40
Tobacco 13 to 15 29 35
Soybean 8 to 10 29 24.2-32.8
Sorghum 12 to 15 25 40
Maize 8 to 10 20 40-43
oats 4.5 20 29-30
Barley 4.5 20 29-30
Wheat 4.5 20 30-32
Citrus 15 30
Brinjal, okra 18 25 to 30
Cucumber, bean 11 to 18 25 to 30
Carrot 5 to 8 18 to 25
Tomato 11 to 18 18 to 25
Cauliflower 5 to 8  11 to 18
Cabbage 5 to 10 8 to 12

 

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