Abstract
Pollen of seven date cultivars was stored at 4.5 -5.0'C using desiccator with or without silica gel and in vials outside the desicator as a control. Germination percentage was determined microscopically with a hemacytometer after harvest and at three and six months of Storage, respectively, using a boric acid-sucrosce medium. Cultivar genotype did out influence the viability of pollen. Pollen stored for six months gave a higher germination percentage (45.9%) than three months (40.9%) indicating that pollen requires more than three months at 4.5 - 5C for the reactivation or its growth factors. An increase in relative humidity in storage containers resulted in reduced germination profiles. Germination percentages were 62.2, 42.9 and 22.79% at 18. 55 and over 55 relative humidity, respectively. Pollen stored in desiccator with and without silica gel gave a higher germination profile after six months than at three months storage whereas the control gave the lowest. The highest germination percentage was observed in pollen kept in a desiccator in the presence of silica gel for six months.
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Claims 10
Claim · model-written summary
Cultivar genotype did not influence date pollen viability.
Not reportedDirection
Verbatim
e0“Cultivar genotype did out influence the viability of pollen”
t0“Date Pollen”
Claim · model-written summary
Date pollen stored six months had higher germination than pollen stored three months.
Verbatim
e0“Pollen stored for six months gave a higher germination percentage (45.9%) than three months (40.9%)”
t0“Date Pollen”
Claim · model-written summary
Increasing relative humidity reduced date pollen germination.
Verbatim
e0“An increase in relative humidity in storage containers resulted in reduced germination profiles”
t0“Date Pollen”
Claim · model-written summary
Date pollen germination was 62.2 at 18 relative humidity.
Verbatim
e0“Germination percentages were 62.2, 42.9 and 22.79% at 18. 55 and over 55 relative humidity, respectively”
t0“Date Pollen”
Claim · model-written summary
Date pollen germination was 42.9 at 55 relative humidity.
Verbatim
e0“Germination percentages were 62.2, 42.9 and 22.79% at 18. 55 and over 55 relative humidity, respectively”
t0“Date Pollen”
Claim · model-written summary
Date pollen germination was 22.79% above 55 relative humidity.
Verbatim
e0“Germination percentages were 62.2, 42.9 and 22.79% at 18. 55 and over 55 relative humidity, respectively”
t0“Date Pollen”
Claim · model-written summary
Date pollen stored in a desiccator with silica gel germinated more after six months than after three.
Verbatim
e0“Pollen stored in desiccator with and without silica gel gave a higher germination profile after six months than at three months storage”
t0“Date Pollen”
Claim · model-written summary
Date pollen stored in a desiccator without silica gel germinated more after six months than after three.
Verbatim
e0“Pollen stored in desiccator with and without silica gel gave a higher germination profile after six months than at three months storage”
t0“Date Pollen”
Claim · model-written summary
Control storage gave the lowest date pollen germination.
Verbatim
e0“the control gave the lowest”
t0“Date Pollen”
Claim · model-written summary
Six months in a desiccator with silica gel gave the highest date pollen germination.
Verbatim
e0“The highest germination percentage was observed in pollen kept in a desiccator in the presence of silica gel for six months”
t0“Date Pollen”