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Inter-varietal differences in grapevine bud fertility and grape fruit quality of between local and introduced cultivars (Vitis vinifera L.) grown under sub-humid environment

Abstract

Abdessalem Belaid, Ali-Haimoud Farouk and Attaf Ahmed

This study was carried out at the ITAF Station at Medjez Eddchiche Region (Skikda, Algeria) in order to ex-amine the inter-varietal differences in grapevine bud fertility and grape fruit quality, between local and intro-duced grapevine cultivars grown under sub-humid environment in Algeria. Eighteen grapevine cultivars were studied through the principal component analysis and the analysis of variance using the least signifi-cant difference test to achieve rankings of grapevine varieties based on their fertility and fruit quality meas-ures. Data analysis indicate that the three introduced varieties (Cardinal, Muscat de Hambourg and Alphonse Lavallée) had significantly higher bud fertility with good fruit shape characteristics. Most studied local varie-ties have high sugar content. Two local varieties (Lakhdari and Bouabar Aurès) had a strong component in size and weight. We distinguish three local varieties (Muscat El Adda, Ain El Bouma and Sbaa El Tolba) sig-nificantly higher bud fertility than all other cultivars, whereas Bouabar Aurès, Lakhdari and Amokrane with good fruit quality characteristics, although they have low fertility compared to the introduced ones. These local varieties are considered good across all varieties studied and should have special attention from scien-tists and grapevine producers.

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