Viewing post #2217528 by admmad

You are viewing a single post made by admmad in the thread called So long, farewell my little friends.
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Apr 25, 2020 12:32 PM CST
Name: Maurice
Grey Highlands, Ontario (Zone 5a)
@touchofsky

The seedlings from the parents ('Russian Easter' x 'Ornamental Focus') and those from the parents ( 'Malaysian Monarch' x 'Destined to See') are growing as if they had set buds - they are sprouting from those buds and so were winter dormant. You would register them as being dormant. You register them as they grow in your garden.

We have no way of knowing how they would grow in other locations and in other growing conditions. Those are different environments. We do not have enough knowledge about winter dormancy in daylilies to be able to predict how any daylily would act in other locations and growing conditions. Importantly, since each daylily seedling is genetically different from every other daylily seedling we cannot predict from the way one seedling acts to the way others would act in the same locations or growing conditions.

Every characteristic (phenotype) is determined by Genotype + Environment + (Genotype X Environment Interaction). This is abbreviated as P = G + E + GE.
Sometimes G and GE have little or no effect so the characteristic is basically determined by the environment. Sometimes GE has little or no effect so the characteristic is basically determined by the genotype and the environment. Sometimes E and GE have little or no effect and the characteristic is basically determined by the genotype. And so on.

In the case of growth habit -
Setting a winter bud - becoming winter dormant
OR not setting a winter bud - being evergreen (actually being evergrowing)
Or setting a winter bud - becoming winter dormant but keeping some green leaves during winter - semi-evergreen.
is a characteristic that in daylilies is probably affected by Genotype, Environment and their Interaction - or all three.
The result is that we cannot predict perfectly how all cultivars will act under different circumstances (in other locations and in other growing conditions) from how they act in our garden and growing conditions.

Foliage habit is a different characteristic that has the same sort of problem(s).
A cultivar can lose all its leaves in the autumn - that is it is deciduous
OR
a cultivar may keep some green leaves during the entire year - that is it is evergreen.
Which it does may change in different locations and in different growing conditions.
Maurice

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