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Agroscope is the Swiss centre of excellence for agricultural research, and is affiliated with the Federal Office for Agriculture (FOAG). Agroscope makes an important contribution to a sustainable agriculture and food sector as well as to an intact environment, thereby contributing to an improved quality of life.

Journal Article

Journal Article

Influence of scarification and temperature treatments on seed germination of Lupinus haverdii  [1995]

Mackay, W.A. (Texas A+M University Research and Extension Center, El Paso (USA)); Davis, T.D.; Sankhla, D.;

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Seeds of Lupinus havardii Wats. (Big Bend bluebonnet), a potential cut flower crop, were subjected to a variety of scarification and temperature treatments. Without scarification, only 10 to 20 % of the seeds germinated within one week. Germination percentages increased sigmoidally as scarification time in concentrated sulfuric acid increased. Nearly 100 % germination was obtained within one week after seeds were placed in sulfuric acid for 120 min. Nicking the seed coat with a razor blade also resulted in near 100 % germination. Soaking the seed in water for 24 h failed to enhance germination. Total germination of scarified seed was 90 % between 21 and 33 deg C within 28 h. The most rapid germination occurred within a range of 24 to 29 deg C. At 35 deg C, total germination was reduced to 50 % and seedling mortality was observed. Light was not required for germination. Our data indicate that seed of this species must be scarified to obtain optimum germination percentages but the scarified seed can germinate rapidly over a relatively wide temperature range
From the journal
Seed Science and Technology (Switzerland)
ISSN : 0251-0952

Bibliographic information

Language:
English
Type:
Summary
In AGRIS since:
1996
Volume:
23
Issue:
3
Publisher:
International Seed Testing Association
All titles:
"Influence of scarification and temperature treatments on seed germination of Lupinus haverdii"@eng
Other:
"Summary (En)"
"4 graphs, 5 ref."
"Proceedings of the International Seed Testing Association, International Seed Testing Association's Secretariat, Reckenholz (Switzerland).- Reckenholz (Switzerland): International Seed Testing Association, 1995. p. 815-821"
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Bibliographic information

Language:
English
Type:
Summary
In AGRIS since:
1996
Volume:
23
Issue:
3
Publisher:
International Seed Testing Association
All titles:
"Influence of scarification and temperature treatments on seed germination of Lupinus haverdii"@eng
Other:
"Summary (En)"
"4 graphs, 5 ref."
"Proceedings of the International Seed Testing Association, International Seed Testing Association's Secretariat, Reckenholz (Switzerland).- Reckenholz (Switzerland): International Seed Testing Association, 1995. p. 815-821"