Home Publications Tree Planters' Notes Tree Planters' Notes Volume 48, Number 2 (1997) Effects of Soaking, Washing, and Warm Pretreatment on the Germination of Russian-Olive and Autumn-Olive Seeds

Effects of Soaking, Washing, and Warm Pretreatment on the Germination of Russian-Olive and Autumn-Olive Seeds

There is evidence that water-soluble inhibitors in seed coats are in part responsible for seed dormancy in some Elaeagnus species. The effects of washing, soaking, and moist warm pretreatment on germination of Russian-olive (E. angustifolia L.) and autumn-olive (E. umbellata Thunb.) seeds are reported in this paper. Autumn-olive seeds were not particularly dormant and germinated without pretreatment. However, germination of the more dormant Russian-olive seeds was improved by washing the seeds in tap water for 6 days prior to prechilling. A similar proportion of seeds also germinated during warm pretreatment in peat and sand without prechilling.


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Author(s): Richard L. Jinks, Lorenzo Ciccarese

Publication: Tree Planters' Notes - Volume 48, Number 2 (1997)

Volume: 48

Number: 2

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