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Maurandya barclayana

Genus Maurandya

Three magenta trumpet flowers with white throats, among dark triangular leaves
FlowerSAplantsCC BY-SA 4.0

This source reports two treatments. Both are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around February 15, 2027 for a May 3 last frost.

  1. Alternating temperatures

    Temperature: 40–70°F 4–21°C

No stated waiting before sowing. Then 49 days to germinate.

57% germination in 21–49 days.

This source doesn't state how long.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Asarina p. 23Public domain
Show the original text
Asarina (Scrophulariaceae). A. barclaiana germ. 70L{100% in 2ndw) and less in 70D(37% in 2nd w) and OS(57% in 3-7 w). However, after DS 1 y these differences disappeared and the seeds germ. 100% in 6-12 d in either 70D or 70L.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Asarina p. 23. 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.

Protocol 2

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around March 22, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 14 days to germinate.

37% germination in 14 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Asarina p. 23Public domain
Show the original text
Asarina (Scrophulariaceae). A. barclaiana germ. 70L{100% in 2ndw) and less in 70D(37% in 2nd w) and OS(57% in 3-7 w). However, after DS 1 y these differences disappeared and the seeds germ. 100% in 6-12 d in either 70D or 70L.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Asarina p. 23. 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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