Deno’s Garden

Rumex alpinus

Genus Rumex

This source reports 4 treatments. All are shown.

Protocol 1

DerivedN. C. Deno, 1996

Difficulty Moderate Rated by us, not by the source.

Start around September 17, 2027 for a May 3 last frost. Too late for spring 2027 — that needed starting on September 16, 2026.

  1. Cold moist stratification

    Duration: 90 daysTemperature: 40°F 4°C

    4 germinated in this phase.

  2. Warm moist stratification

    Duration: 90 daysTemperature: 70°F 21°C Light: light

about 6 months from start to sowing. Then 21 days to germinate.

96% germination in 7–21 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Rumex p. 73Public domain
Show the original text
Rumex (Polygonaceae). Some species require light and others do not. The seeds were DS 8 m when received. They were studied when received. They were also studied after DS for 2 y except for R. alpinus germ. 70D(81% in 1-4 w), 70L(86% in 5-11 d), 40(4%)-70L(96% in 1-3 w), and 70 GA-3(2%). This was not significantly changed after 2 y DS.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Rumex p. 73. 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 Low Rated by us, not by the source.

Start around March 25, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: light

No stated waiting before sowing. Then 11 days to germinate.

86% germination in 5–11 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Rumex p. 73Public domain
Show the original text
Rumex (Polygonaceae). Some species require light and others do not. The seeds were DS 8 m when received. They were studied when received. They were also studied after DS for 2 y except for R. alpinus germ. 70D(81% in 1-4 w), 70L(86% in 5-11 d), 40(4%)-70L(96% in 1-3 w), and 70 GA-3(2%). This was not significantly changed after 2 y DS.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Rumex p. 73. 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, 1996

Difficulty Low Rated by us, not by the source.

Start around March 8, 2027 for a May 3 last frost.

  1. Sow and cover

    Temperature: 70°F 21°C Light: dark

No stated waiting before sowing. Then 28 days to germinate.

81% germination in 7–28 days.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Rumex p. 73Public domain
Show the original text
Rumex (Polygonaceae). Some species require light and others do not. The seeds were DS 8 m when received. They were studied when received. They were also studied after DS for 2 y except for R. alpinus germ. 70D(81% in 1-4 w), 70L(86% in 5-11 d), 40(4%)-70L(96% in 1-3 w), and 70 GA-3(2%). This was not significantly changed after 2 y DS.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Rumex p. 73. 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 Very high Rated by us, not by the source.

Start around March 15, 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. Germination time not stated; 21 days assumed.

2% germination.

Seed Germination Theory and Practice, 1st Supplement — N. C. Deno, 1996 · 1st Supplement, Rumex p. 73Public domain
Show the original text
Rumex (Polygonaceae). Some species require light and others do not. The seeds were DS 8 m when received. They were studied when received. They were also studied after DS for 2 y except for R. alpinus germ. 70D(81% in 1-4 w), 70L(86% in 5-11 d), 40(4%)-70L(96% in 1-3 w), and 70 GA-3(2%). This was not significantly changed after 2 y DS.
Seed Germination Theory and Practice, 1st Supplement, 1st Supplement, Rumex p. 73. 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.