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Horticulturae 2018, 4(3), 26; https://doi.org/10.3390/horticulturae4030026

Pecan Propagation: Seed Mass as a Reliable Tool for Seed Selection

1
Department of Plant Defense, Federal University of Santa Maria, Santa Maria 97105-900, Brazil
2
Nucleus of Molecular Ecology and Plant Micropropagation, Federal University of the Pampa, Rod. BR290, São Gabriel ZIP 97300-000, Brazil
3
Laboratory of Biological Control and Plant Protection, Federal University of the Pampa, Rod. BR290, São Gabriel ZIP 97300-000, Brazil
*
Author to whom correspondence should be addressed.
Received: 26 August 2018 / Revised: 2 September 2018 / Accepted: 6 September 2018 / Published: 11 September 2018
(This article belongs to the Special Issue Innovation in Propagation of Fruit, Vegetable and Ornamental Plants)
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Abstract

Pecan is one of the most important horticultural nut crops in the world. It is a deciduous species native to the temperate zones of North America, introduced into the subtropical regions of Brazil during the 1870s. High quality seedlings are essential to establishing healthy and productive orchards, and selection of seeds is an important factor in this issue. In this study we evaluated the correlation between seed mass, emergence rate and morphometric traits of seedlings in the pecan cultivar Importada. A significant positive correlation (r > 0.81) between seed mass and plantlet height, stem diameter, emergence rate and number of leaves was observed. Our results suggest that seed mass can be used as a direct method for seed selection towards production of vigorous pecan seedlings. However, since an increase in seed mass is usually associated with a decrease in the number of seeds that a plant can produce per unit canopy, long-duration studies are recommended in order to evaluate the influence of seed selection on a plantation’s production. View Full-Text
Keywords: Carya illinoinensis; orchards; seedlings production; emergence rate Carya illinoinensis; orchards; seedlings production; emergence rate
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Poletto, T.; Stefenon, V.M.; Poletto, I.; Muniz, M.F.B. Pecan Propagation: Seed Mass as a Reliable Tool for Seed Selection. Horticulturae 2018, 4, 26.

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