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Resistance of Crops to Frost In Different Development Phases
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Resistance of Crops to Frost In Different Development Phases
Harmful Temperature (F)
Germination | Vegetative | Flowering Growth | Fruiting | |
---|---|---|---|---|
Highest Resistance | ||||
Spring Wheat | 16-14 | 22-25 | 30-28 | 28-25 |
Oats | 18-16 | 24-26 | 30-28 | 28-25 |
Barley | 18-19 | 25-27 | 30-28 | 28-25 |
Peas | 18-19 | 28-27 | 28-25 | |
Resistant | ||||
Vetch | 21-19 | 27-25 | 28-25 | |
Beans | 23-21 | 30-32 | 28-27 | 27-25 |
Sunflower | 23-21 | 22-25 | 28-27 | 28-27 |
Safflower | 25-21 | 22-25 | 28-27 | 27-25 |
Flax | 23-19 | 24-26 | 28-27 | 28-25 |
Sugarbeet | 21-19 | 22-25 | 28-27 | |
Medium Resistance | ||||
Soybean | 27-25 | 30-32 | 28-27 | 28-27 |
Low Resistance | ||||
Corn | 28-27 | 30-32 | 30-28 | 28-27 |
Millet | 28-27 | 30-32 | 30-28 | 28-27 |
Sudan Grass | 28-27 | 30-32 | 30-28 | 28-27 |
Sorghum | 28-27 | 30-32 | 30-28 | 28-27 |
Potato | 28-27 | 30 | --- | 30-28 |
No Resistance | ||||
Buckwheat | 30-28 | 32 | 30-28 | 31-28 |
Melons | 31-30 | 32 | 31-30 | 30 |
Peanut | 31-30 | 32 | -- | -- |
Cucumber | 32-30 | 32 | -- | -- |
Tomato | 32-30 | 32 | 32-30 | 32-30 |
Selected Data from Ventskevich (1958)