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首页> 外文期刊>Pakistan journal of botany >Pollen germination capacity and viability in Lagenaria siceraria (Molina) Standley (Cucurbitaceae)
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Pollen germination capacity and viability in Lagenaria siceraria (Molina) Standley (Cucurbitaceae)

机译:Lagenaria siceraria(Molina)Standley(葫芦科)的花粉发芽能力和活力

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Present investigation of pollen germination and viability pertain to a monoecious species Lagenaria siceraria (Molina) Standley belonging to Cucurbitaceae. The pollen germination was examined up to 48 weeks in different concentrations of sucrose and boric acid solutions using "hanging drop technique". Viability under storage was determined by storing pollen in different humidity conditions in a refrigerator (4oC), freezer (-20°C. -30°C), freeze drier (-60°C). The pollen were also treated in vacuum and in organic solvents. Pollen stored at low temperature showed better percentage of germination compared to pollen stored at 4°C and fresh. Freeze dried pollen (-60°C) showed the highest percentage of germination.
机译:目前对花粉萌发和生存能力的调查属于属于葫芦科的一种雌雄同体物种Lagenaria siceraria(Molina)Standley。使用“悬滴技术”在不同浓度的蔗糖和硼酸溶液中检查花粉萌发长达48周。通过将花粉在不同湿度条件下储存在冰箱(4oC),冷冻机(-20°C.-30°C),冷冻干燥机(-60°C)中来确定储存时的生存力。花粉还在真空和有机溶剂中处理。与在4°C和新鲜条件下储存的花粉相比,在低温下储存的花粉显示出更好的发芽率。冷冻干燥的花粉(-60°C)发芽率最高。

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