Full TGIF Record # 6682
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Author(s):Johnston, M. E. H.; Harty, R. L.
Author Affiliation:Min. of Agric. and Fisheries, Palmerston North, New Zealand
Title:Report of the germination committee working group on tropical and sub-tropical seeds 1977-1980
Source:Seed Science and Technology. Vol. 9, No. 1, 1981, p. 137-140.
Keywords:TIC Keywords: Ricinus communis; Seed germination; Axonopus compressus; Desmodium intortum; Desmodium uncinatum; Macroptilium atropurpureum; Medicago littoralis; Medicago truncatula; Medicago scutellata; Panicum maximum; Paspalum plicatulum; Medicago rugosa; Brachiaria decumbens; Setaria sphacelata; Neonotonia wightii; Germination
Abstract/Contents:Samples of 4 grass and 8 legume spp. and castor seeds were distributed among members to compare methods of testing and to provide evidence for the best method. No evidence against previous listed methods was found for Axonopus compressus, Desmodium intortum, D. uncinatum, Macroptilium atropurpureum, Medicago littoralis, M. truncatula, M. scutellata, Panicum maximum and Paspalum plicatulum. M. rugosa should be tested according to the method for M. littoralis. Germination of Brachiaria decumbens seed was greatly stimulated by treatment with conc. sulphuric acid for 13 min. and washing for 2 min. in potassium nitrate sol., with the apparent effect of breaking dormancy. Higher germination of Setaria anceps [S. sphacelata var. sericea] was recorded with KNO3 than with water. Results of comparative tests at 3 stations on Glycine wightii [Neonotonia wightii] were too variable for any conclusions to be drawn and variable results were also obtained for Lotononis bainesii. Higher results were obtained in castor at 20-30 deg C than at 25, 30 or 35 deg . Results with Gossypium hirsutum were consistently high, indicating that methods could be reduced for this sp., possibly at a single temp. between paper or in sand.
Note:Summary appears in German and French
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Johnston, M. E. H., and R. L. Harty. 1981. Report of the germination committee working group on tropical and sub-tropical seeds 1977-1980. Seed Sci. Technol. 9(1):p. 137-140.
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