Identifying the optimum pretreatment duration and germination temperature for Abies nordmanniana [(Steven) Spach] seed, and assessing the effect of moisture content and storage temperature on seed longevity

被引:0
|
作者
Gosling, PG [1 ]
Parratt, M [1 ]
Peace, A [1 ]
机构
[1] Forestry Commiss Res Agcy, Silviculture & Seed Res Branch, Farnham GU10 4LH, Surrey, England
关键词
D O I
暂无
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
Abies nordmanniana has recently acquired significant popularity across Europe as a high quality Christmas tree. However, commercially available seed is relatively scarce and often poor quality. The cause(s) of low germination percentage in this species are currently unknown, but may be due to a combination of inherently low viability, unreliable seed test methods, unexpectedly rapid seed deterioration, ineffective dormancy breakage pretreatments or extreme sensitivity to germination conditions. One good quality seedlot (66% germination capacity) was prechilled for 0, 3, 6, 12, 24 and 48 weeks (w) and then germinated over a range of constant temperatures (10, 15, 20, 25, 30, 35, 40 degrees C) and an alternating 20/30 degrees C (the current ISTA germination regime). A 6w prechill followed by 20 degrees C for 28 days (d) was one of the best combinations of prechill period, germination temperature and incubation duration and is therefore recommended for adoption by the ISTA. 6-12w prechilling may be preferable for plant production purposes, especially when sowing early into cooler seedbeds (10-15 degrees C). A second good quality seedlot (75% germination capacity) was stored at 10, 13 and 15 % moisture content (fresh weight basis), factorially combined with 5, 15 and 25 degrees C for up to 104 weeks. Seed deterioration was very rapid in comparison to data published for most other conifers (especially pines and spruces). At 15 and 25 degrees C seed was almost completely dead within 16w, and even at the lowest temperature (5 OC) germination capacity had virtually halved within 32w. These results demonstrate the rapid death rate of dry stored seeds of Abies nordmanniana and why even the shortest temporary storage at ambient temperatures should be avoided.
引用
收藏
页码:951 / 961
页数:11
相关论文
共 50 条
  • [11] EFFECTS OF TEMPERATURE AND SEED MOISTURE-CONTENT ON THE LONGEVITY OF SORGHUM SEEDS
    KUO, WHJ
    SHAN, ML
    TSENG, MT
    JOURNAL OF THE AGRICULTURAL ASSOCIATION OF CHINA, 1990, (149): : 32 - 41
  • [12] Effect of Temperature and Duration of Storage on Seed Germination in Litchi (Litchi chinensis Sonn.)
    Lal, Narayan
    Kumar, Abhay
    Marboh, E. S.
    Gupta, A. K.
    Pandey, S. D.
    Nath, Vishal
    NATIONAL ACADEMY SCIENCE LETTERS-INDIA, 2024, : 157 - 159
  • [13] Temperature sensitivity of the low-moisture-content limit to negative seed longevity-moisture content relationships in hermetic storage
    Ellis, RH
    Hong, TD
    ANNALS OF BOTANY, 2006, 97 (05) : 785 - 791
  • [14] Moisture content and temperature of storage in peach palm seed conservation
    Rodrigues, Silviane Gomes
    Pereira Kikuti, Ana Lucia
    Kikuti, Hamilton
    Pereira, Carlos Eduardo
    CIENCIA RURAL, 2024, 54 (03):
  • [15] Effect of storage temperature and packaging material on seed germination and seed viability of gaillardia
    Dhatt, K. K.
    Kumar, R.
    INDIAN JOURNAL OF HORTICULTURE, 2010, 67 (03) : 362 - 371
  • [16] Quantitative response of the longevity of seed of twelve crops to temperature and moisture in hermetic storage
    Ellis, R. H.
    Hong, T. D.
    SEED SCIENCE AND TECHNOLOGY, 2007, 35 (02) : 432 - 444
  • [17] Effect of storage temperature and packing materials on seed germination and seed storage behavior of Schefflera abyssinica
    Bareke, Tura
    Addi, Admassu
    Roba, Kasim
    Kumsa, Tolera
    NUSANTARA BIOSCIENCE, 2022, 14 (02) : 141 - 147
  • [18] The influence of temperature and moisture content on seed longevity of two genotypes of Linum usitatissimum
    Balouchi, H.
    Baladi, S.
    Moradi, A.
    Dehnavi, M. Movahhedi
    SEED SCIENCE AND TECHNOLOGY, 2017, 45 (01) : 130 - 138
  • [19] Effect of storage temperature and dormancy-breaking treatments on seed germination, moisture content and seed vigor in gum karaya (Sterculia urens Roxb.)
    Devi, P. Subhashini
    Satyanarayana, B.
    Arundhati, A.
    Rao, T. Raghava
    FOREST SCIENCE AND TECHNOLOGY, 2012, 8 (01) : 11 - 15