1. Pioneer species use temperature fluctuations and light level as gap detection signals, but the relative importance of these two factors may differ among species with differently sized seeds. 2. We ...

Western wheatgrass, Agropyron smithii (Rydb.), seed was tested by four seed treatment methods differing from the standard germination procedure (darkness, alternating temperature) to determine their ...

Germination is a crucial stage in the life of a plant, as it will leave the stage of seed resistant to various environmental constraints (climatic conditions, absence of nutritive elements, etc.) to ...

Cannabis seeds need only water, heat, and air to break dormancy and germinate; they do not need extra hormones, fertilizers, or additives. Seeds sprout without light in a range of temperatures. Strong ...

Researchers have determined a process that regulates activity of genes that control seed germination and seedling development. They discovered the step involved in keeping seeds from germinating in ...

Some seeds are hard to germinate when the weather is hot. Sometimes the temperature is just too high for that seed, sometimes the soil dries out too fast. Some varieties of some crops have better ...

Grow milkweeds for monarch butterfly caterpillars. Milkweed seeds require a cold, moist process called stratification in ...

Planting grass seed based on calendar dates is a recipe for disappointment. Air temperature might feel perfect for fall lawn care, but what matters is happening several inches below ground where seeds ...

FAIRBANKS — This seed starting chart is a general guideline based on our traditional Memorial Day weekend transplanting time — the holiday falls on May 28 this year. The planting date for your plot ...