Induction of Secondary Dormancy in Rapeseeds under Various Stress Conditions in Darkness
Oilseed rape seeds (Brassica napus L.) harvested from mature plants require only imbibition of water and a suitable temperature. Despite this absence of primary dormancy, there is evidence that rapeseeds, due to the induction of secondary dormancy, are able to persist in the field for up to 10 years...
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| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Zhejiang University Press
2000-09-01
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| Series: | 浙江大学学报. 农业与生命科学版 |
| Online Access: | https://www.academax.com/doi/10.3785/1008-9209.2000.05.0477 |
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| Summary: | Oilseed rape seeds (Brassica napus L.) harvested from mature plants require only imbibition of water and a suitable temperature. Despite this absence of primary dormancy, there is evidence that rapeseeds, due to the induction of secondary dormancy, are able to persist in the field for up to 10 years, and thus can emerge as volunteer plants in later crops. In addition, volunteers originate from seeds shed before and during harvest. The level of seed losses is influenced by the timing and technique of harvest, and can reach several thousand seeds per m<sup>2</sup>. As a consequence of both these effects, problems from volunteer rape occur frequently in subsequent crops. |
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| ISSN: | 1008-9209 2097-5155 |