Seed production, seedling regeneration and hardseeds breakdown of annual clovers

Hollena, Nori and Moot, Derrick J. and Mills, Annamaria (2018) Seed production, seedling regeneration and hardseeds breakdown of annual clovers. New Zealand Journal of Agricultural Research, 62 (3). pp. 316-331. ISSN 0028-8233

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Seed production of four annual clover species, arrowleaf (Trifolium vesiculosum), balansa (Trifolium michelianum), gland (Trifolium glanduliferum) and Persian (Trifolium resupinatum) was quantified from four sowing dates in 2010. Following initial sowing rate at 4–6 kg/ha, these clovers produced seed yields up to ∼2340 kg/ha for balansa and gland, 914 kg/ha for arrowleaf and ∼814 kg/ha for Persian. After herbage was removed the clover seedlings that regenerated produced a maximum ground cover of 91% for balansa, 65% for gland, 17% for Persian and 6% for arrowleaf. The seeds of ‘Mihi’ Persian clover were all soft and none were recovered in the soil after three months of burial. In contrast, arrowleaf clover had the highest percentage of hardseededness (>97%) and therefore retained most of its viable seeds in the soil into the second year. The differences in hardseededness and regeneration potential mean different management strategies for their successful establishment into dryland farming systems.

Item Type: Article
Uncontrolled Keywords: Buried seeds, germination, seed bank, seedling recruitment, seed softening, unimas, university, universiti, Borneo, Malaysia, Sarawak, Kuching, Samarahan, ipta, education, research, Universiti Malaysia Sarawak
Subjects: S Agriculture > S Agriculture (General)
Divisions: Academic Faculties, Institutes and Centres > Faculty of Resource Science and Technology
Faculties, Institutes, Centres > Faculty of Resource Science and Technology
Depositing User: Karen Kornalius
Date Deposited: 02 Apr 2019 02:44
Last Modified: 04 Sep 2020 07:58

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