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Diversità morfologica dei genotipi di grano duro.

Diversità morfologica dei genotipi di grano duro.

Lamia Bourouh / Nabila Souilah

66,91 €
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Editorial:
KS OmniScriptum Publishing
Año de edición:
2025
Materia
Botánica y ciencias de las plantas
ISBN:
9786200675798
66,91 €
IVA incluido
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Sobre IBD

Questo studio è stato condotto nella regione subumida, presso l’azienda agricola pilota Larbi Daoudi a El Harrouch (wilaya di Skikda). L’obiettivo principale era quello di valutare la diversità specifica di venti genotipi di grano duro (Triticum durum Desf.) attraverso la stesura di schede descrittive in accordo con le raccomandazioni UPOV (2014-2017). La diversità morfologica è stata valutata utilizzando l’indice di diversità relativa di Shannon e Weaver, calcolato a partire dalle frequenze fenotipiche osservate per ciascun tratto. I risultati ottenuti rivelano una significativa variabilità per diversi parametri morfologici. L’indice medio di diversità relativa (media H’ = 0,48) indica un livello intermedio di diversità morfologica tra le spighe dei diversi genotipi studiati. Tuttavia, alcune caratteristiche sono risultate monomorfiche, in particolare la presenza, la distribuzione, la pigmentazione e la lunghezza dei barbigli, nonché il colore della buccia inferiore. Infine, questi tratti studiati sono considerati precursori di un’alta resa, il che ci permette di sfruttare meglio i genotipi in base alle condizioni agro-ecologiche e alle esigenze economiche.

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