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Jacobaea abrotanifolia

pinnate-leaved ragwort

Family AsteraceaeGenus Jacobaea

Also published as Senecio abrotanifolius. You are in the right place.

Yellow daisies on slender stems scattered across a steep alpine meadow, with pale cliffs and cloud behind.
The whole plantUser:TigerenteCC BY 2.5

Protocol

DerivedN. C. Deno, 1996

Difficulty Low Rated by us, not by the source.

  1. Dry storage

    Duration: 365 daysTemperature: 70°F 21°C

  2. Sow and cover

    Temperature: 70°F 21°C

about 12 months from start to sowing. Then 21 days to germinate.

75% germination in 7–21 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Senecio p. 77Public domain
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Senecio (Asteraceae). Death rates in DS are rapid, and this may be the cause of the failure to germinate in S. abrotanifolius. S. abrotanifolius failed to germinate either with fresh seed or seed DS 1 y. S. abrotanifolius v tirolensis germ. 70(75% in 1-3 w), but seed DS 1 y was dead.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Senecio p. 77. Quoted exactly. Every value on this card comes from this record, except the difficulty rating, which is ours; the step names come from a fixed list.

How each step is done, in Deno’s words, and what Verified and Derived mean.

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