Deno’s Garden

Cerinthe major

Genus Cerinthe

Two sources report 6 treatments between them. All are shown.

Protocol 1

DerivedN. C. Deno, 1998

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.

42% germination in 14 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Cerinthe p. 23Public domain
Show the original text
Cerinthe (Boraginaceae). C. major data is now more complete. Seeds germ. 70 GA-3(100% in 2nd w), 70L(3/7 in 2nd w), and 70D(5/12 in 2nd w). The promoting effect of GA-3 is real because when the sample in 70L was shifted to 70 GA-3 after 3 m, 3 of the remaining 4 germ. in 3-9 d, and a sample subjected to 40-70D treatment failed to germinate a single seed but when treated with GA-3, 80% germ. in 2-4 w.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Cerinthe 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, 1998

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: light

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

43% germination in 14 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Cerinthe p. 23Public domain
Show the original text
Cerinthe (Boraginaceae). C. major data is now more complete. Seeds germ. 70 GA-3(100% in 2nd w), 70L(3/7 in 2nd w), and 70D(5/12 in 2nd w). The promoting effect of GA-3 is real because when the sample in 70L was shifted to 70 GA-3 after 3 m, 3 of the remaining 4 germ. in 3-9 d, and a sample subjected to 40-70D treatment failed to germinate a single seed but when treated with GA-3, 80% germ. in 2-4 w.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Cerinthe 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 3

DerivedN. C. Deno, 1998

Difficulty Low Rated by us, not by the source.

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

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C

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

100% germination in 14 days.

Seed Germination Theory and Practice, 2nd Supplement — N. C. Deno, 1998 · 2nd Supplement, Cerinthe p. 23Public domain
Show the original text
Cerinthe (Boraginaceae). C. major data is now more complete. Seeds germ. 70 GA-3(100% in 2nd w), 70L(3/7 in 2nd w), and 70D(5/12 in 2nd w). The promoting effect of GA-3 is real because when the sample in 70L was shifted to 70 GA-3 after 3 m, 3 of the remaining 4 germ. in 3-9 d, and a sample subjected to 40-70D treatment failed to germinate a single seed but when treated with GA-3, 80% germ. in 2-4 w.
Seed Germination Theory and Practice, 2nd Supplement, 2nd Supplement, Cerinthe 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 4

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around March 26, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 10 days to germinate.

42% germination in 6–10 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Cerinthe p. 30Public domain
Show the original text
Cerinthe (Boraginaceae). C. major germ. 70 GA-3(5/5 in 10-14 d), 70L(3/7 on 8th d), and 70D(5/12 in 6-10 d).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Cerinthe p. 30. 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 5

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around March 28, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 8 days to germinate.

43% germination in 8 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Cerinthe p. 30Public domain
Show the original text
Cerinthe (Boraginaceae). C. major germ. 70 GA-3(5/5 in 10-14 d), 70L(3/7 on 8th d), and 70D(5/12 in 6-10 d).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Cerinthe p. 30. 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 6

DerivedN. C. Deno, 1996

Difficulty Low Rated by us, not by the source.

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

  1. Gibberellic acid soak

  2. Sow and cover

    Temperature: 70°F 21°C

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

100% germination in 10–14 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Cerinthe p. 30Public domain
Show the original text
Cerinthe (Boraginaceae). C. major germ. 70 GA-3(5/5 in 10-14 d), 70L(3/7 on 8th d), and 70D(5/12 in 6-10 d).
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Cerinthe p. 30. 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.