Abstract
This experiment was conducted to found the connection between sensible male pollinators and the content from mineral element (Zinc, Irion, Manganese, Cupper and Magnesium) in pollen grain of fifty seedling date palm male and compared it with the best selective five seedling date palm males (number 2, 10, 29, 40, 46) are appropriate and promising males for to be utilized in pollinating female date palms and mistreatment in breeding programs in previous study. Results found variations among the categories of pollen and elements. The highest concentration of zinc was found in males' number (2, 10, 40 and 46) which recorded 127,102, 115 and 122 μg/g dry weight respectively as compared to the other male trees. Also the highest concentration of iron was found in male number (40) which recorded 222 μg/g dry weight as compared to the other male trees. Moreover, notes from result excellence male number (10) in manganese concentration which recorded 202 μg/g dry weight as compared to the other male trees. In this concern, pollen grain of date palm male trees contained also, high concentrations of copper and magnesium the concentration ranging from 10 to 30 and 1320 to 1985 μg/g dry weight for copper and magnesium respectively. The best result for copper and magnesium which obtained from the selective male number (46) which recorded 30 and 1985 μg/g dry weight for copper and magnesium respectively as compared to the other male trees. From all the results we can conclude that the date palm pollen grain was as rich source of important minerals, so its suitability as a regular component in plant and human diet.
Highlights
Date palm (Phoenix dactylifera L.) is one of the oldest cultivated trees in world
Data presented in Table (1) indicate that pollen grain of date palm male trees contained high concentrations of zinc, the concentration ranging from 49 to 127μg/g dry weight .The best result which obtained from the selective males number (2, 10, 40 and 46) recorded 127,102, 115 and 122 μg/g dry weight respectively as compared to the other male trees
Data presented in Table (2) indicate that pollen grain of date palm male trees contained high concentrations of iron, the concentration ranging from 145 to 222μg/g dry weight .The best result obtained from the selective male number (40) which recorded 222 μg/g dry weight respectively as compared to the other male trees
Summary
In Egypt, Date palm tree is taken into account joined of the foremost vital fruits wherever it's cosmopolitan in numerous areas in Egypt from the Mediterranean coast up to Aswan. It's cosmopolitan in numerous districts of the planet districts of the world It constitutes the foremost vital plant in arid and desert areas wherever it provides favorable conditions for both human and animal habitats [1]. Palm are irreplaceable tree in irrigable desert lands grows underneath unfavorable conditions; wherever several of the opposite fruit species doesn't. It keeps alternative crops settled under that from heat, wind, and even cold weather.
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