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The minimum temperature for germination of barley is 34 degrees to 36 degrees F (1 degrees - 2 degrees C). After the seed takes up moisture, the primary root (radicle) emerges. The radicle grows downward, providing anchorage and absorbing water and nutrients, and eventually develops lateral branches.arley can be distinguished by differences in head type and growth habits. In a six-rowed barley, three kernels are formed at each node of the head while in a two-rowed type, only a single kernel forms at each node (figure 1). Barley is also classed by its requirement for cold temperatures.
Germination Time Frame. Fescue seeds takes approximately 14 to 21 days to germinate. Soil temperature, outdoor temperature, oxygen soil levels and water all affect how quickly the seeds germinate.Cover the seeds lightly with soil when spread and lightly compact the soil to help ensure germination occurs.escue grass seeds germinate best when the soil temperature is 50 to 65 degrees Fahrenheit. The daytime air temperature should be between 60 to 75 degrees Fahrenheit.