الفهرس 
Impact of soil mixtures and nutrient levels on seed germination and growth of some citrus seedling
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Abstract
This study was conducted in the greenhouse of the nursery of
Horticulture Research Institute, Giza- Egypt, on Volkameriana lemon, Sour
orange and Carrizo citrange rootstocks seedling during the growing seasons
of 2018 and 2019. This study aimed to evaluate the impact of soil mixtures
and nutrient levels (barley seed sprout extract at 2 ml /L and elements
nutrient solution at 1 g/L, 1.5 g/L and 2 g /L) on seeds germination,
vegetative growth, leaf physical contents and leaf mineral contents of those
rootstocks.
The obtained results showed that seedlings treated with barely seed
sprout under sand-peat moss soil mixture showed the highest significant
performance of most vegetative growth parameters (stem length, stem
diameter, leaf area, number of leaves/rootstock, fresh weight of leaves,
fresh weight of roots, dry weight of leaves and dry weight of roots), Also on
chemical parameters (Leaves nitrogen, phosphorus, potassium, Magnesium,
Calcium, Manganese, Iron and Zinc) and physical parameters ( Leaf
Chlorophylls a, b, total carotenoids, total carbohydrates and total indoles)
content were improved significantly with the addition of barely seed sprout
and nutrient element solution especially with Volkameriana rootstock.