Desponte dos ramos da videira e seu efeito na qualidade dos frutos de 'Merlot' sobre os porta-enxertos 'Paulsen 1103' e 'Couderc 3309'

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DOI: 10.1590/S0100-29452010005000038

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摘要: ABSTRACT - The production of grapevines in regions high altitude Santa Catarina state is recent and there are few data on the behavior different cultivars. objective this work was to verify effect levels shoot topping evaluate fl uence two rootstocks characteristics fruit produced. experiment conducted city Sao Joaquim, (28°17’38” S 49°55’54” W), an 1.250m, at Villa Francioni Vineyards, with Merlot grapevine grafted Paulsen 1103 Couderc 3309. treatments consisted topping, keeping leaf area 4.5; 2.5; 2.0 1.5 m 2 kg -1 grapes rootstocks. variables evaluated were: number berries per bunch, berry diameter, pH, total soluble solids, anthocyanins, polyphenols index, length weight bunch. Plants showed maximum ef fi ciency maintaining a 3.4 .kg

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