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Questions and Answers
What is stratification also known as?
What is stratification also known as?
- Dry freezing
- Moist chilling (correct)
- Warm soaking
- Cold drying
For temperate species displaying epicotyl dormancy, what type of stratification is required?
For temperate species displaying epicotyl dormancy, what type of stratification is required?
- Cold followed by warm chilling
- Warm followed by moist chilling (correct)
- Dry followed by cold chilling
- Moist followed by warm chilling
What is required for tropical and subtropical species prior to germination?
What is required for tropical and subtropical species prior to germination?
- Dry stratification
- Moist stratification
- Warm stratification (correct)
- Cold stratification
When can seeds with a hard endocarp, such as Prunus spp., show increased germination?
When can seeds with a hard endocarp, such as Prunus spp., show increased germination?
When can seeds be sown after stratification for some species like palms?
When can seeds be sown after stratification for some species like palms?
Stratification is a method of handling dormant seed where the imbibed seeds are subjected to a period of chilling to after ripen the embryo in alternate layers of sand or soil for a specific period
Stratification is a method of handling dormant seed where the imbibed seeds are subjected to a period of chilling to after ripen the embryo in alternate layers of sand or soil for a specific period
Warm stratification of several months followed by a moist chilling stratification is required for temperate species displaying epicotyl dormancy or underdeveloped embryo
Warm stratification of several months followed by a moist chilling stratification is required for temperate species displaying epicotyl dormancy or underdeveloped embryo
Seeds with a hard endocarp, such as Prunus spp., show increased germination if planted early in the summer or fall
Seeds with a hard endocarp, such as Prunus spp., show increased germination if planted early in the summer or fall
Tropical and subtropical species like palms require a period of warm stratification prior to germination to allow the embryo to continue development after fruit drop
Tropical and subtropical species like palms require a period of warm stratification prior to germination to allow the embryo to continue development after fruit drop
Seeds can be sown immediately after stratification in the field
Seeds can be sown immediately after stratification in the field
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