Pollen and pollination experiments. VI. Heat resistance of pollen |
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| Authors: | Marcucci M Clara Visser T Van Tuyl J M |
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| Institution: | (1) Istituto Coltivazioni Arboree, Universita di Bologna, Italy;(2) Institute for Horticultural Plant Breeding (IVT), Wageningen, the Netherlands |
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| Abstract: | Summary Pollen of dry apple, pear, lily and rose pollen was heated up to 48 h at a range of temperatures. About half or more than half of the pollen grains survived 48 h at 40 C, 24 h at 50 C, 8 16 h at 60 C. 4 8 h at 70 C, more than one hour at 80 C. and between 10 and 20 min at 90 C. Presumably, pollen able to withstand low humidity is also heat resistant, a property which may be usable to make pollen virus free through heat treatment and perhaps to overcome incompatibility. |
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| Keywords: | Lilium Malus Pyrus Rosa pollen treatment heat resistance |
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