000 023190000a22005890004500
999 _c87969
_d87969
003 CR-TuBCO
005 20221209062720.0
007 ta
008 220328b ||||| |||| 00| 0 eng d
040 _aCR-TuBCO
_cCR-TuBCO
_bEs
041 0 _aeng
082 0 4 _a633.7314
_bC957
100 1 _963847
_aDussert, S.
100 1 _956148
_aChabrillange, N.
100 1 _9109
_aEngelmann, F.
100 1 _943095
_aAnthony, F.
100 1 _975866
_aHamon, S.
245 1 0 _aCryopreservation on coffee (Coffea arabica L.) seeds: importance of the precooling temperature
260 _c1997
270 _aSan José, C.R.
500 _a26 ref.
520 _aThe effect of the precooling temperature on the survival rate of cryopreserved Coffea arabica seeds and excised zygotic embryos was investigated. Seeds were desiccated to 0.2 g H2O.g-1 dw, then cooled at 1°C.min-1 to various precooling temperatures. The optimal germination rate (70 percent) of cryopreserved seeds was achieved after precooling to -50°C. After 4 months in culture, 30 percent of seeds developed into normal seedlings. For embryos extracted after thawing from cryopreserved seeds, maximal survival rate (97 percent) was observed when seeds were immersed into liquid nitrogen directly after dehydration, without precooling. All viable embryos developed into normal seedlings after 2 months in culture.
650 1 4 _9140993
_aCOFFEA ARABICA
650 1 0 _aSEMILLAS
_9133847
650 1 4 _9145969
_aENFRIAMIENTO
650 1 4 _9144137
_aDESHIDRATACION
650 1 4 _98
_aCONSERVACION DE LOS RECURSOS
650 1 0 _aRECURSOS GENETICOS
_9133844
650 1 4 _9140504
_aCIGOTOS
650 1 4 _9141805
_aCONSERVACION BIOLOGICA
650 1 4 _9141719
_aCONGELACION
691 _9140993
_aCOFFEA ARABICA
691 _9164167
_aSEED
691 _9312739
_aCOOLING
691 _9314323
_aDEHYDRATION
691 _9162807
_aRESOURCE CONSERVATION
691 _9149035
_aGENETIC RESOURCES
691 _9343777
_aZYGOTES
691 _9137950
_aBIOLOGICAL PRESERVATION
691 _9319874
_aFREEZING
773 0 _tCryo-Letters (RU)
_d1997
_gv. 18 p. 269-276
901 _aF04
902 _aF30
903 _aE
903 _aV
904 _aBCO
905 _aC
906 _a19980101
908 _aJ
942 _cANA
_2z