Agronomic evaluation of ‘Riesling Itálico’, ‘Chardonnay’, ‘Merlot’ and ‘Cabernet Franc’ grapevine clones

Pesquisa Agropecuaria Gaucha Pub Date : 2022-04-20 DOI:10.36812/pag.202228148-57

R. Anzanello, Tainan Graeff Tasso, Cláudia Martellet Fogaça, A. Cargnin, Leo Duc Haa Carson Schwartzhaupt da Conceição, Gabriele Becker Delwing Sartori, A. Heemann Junges

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Abstract

This study aimed to evaluate clones of ‘Riesling Itálico’, ‘Chardonnay’, ‘Merlot’ and ‘Cabernet Franc’ grapevines that best adapt to the edaphoclimatic conditions in Veranópolis, RS. The experiment was carried out at the State Center for Diagnosis and Research in Fruticulture - DDPA/SEAPDR. Three 'Riesling Itálico' clones (ISV-1, RI12V23, VCR-365), four 'Chardonnay' clones (INRA-95, INRA-132, INRA-548, VCR-6), four 'Merlot' clones (INRA-181, INRA-347, VCR-13, VCR-494) and seven 'Cabernet Franc' clones (INRA-212, INRA-214, ISV-8, ISV-101, VCR-2, VCR- 4, VCR-10) were evaluated. The experimental design was randomized blocks, with 4 replications and 10 plants per plot. The clones were evaluated in the 2020/2021 cycle for phenology (budburst and maturation dates), production (kg/plant, ton/ha weight/bunch) and fruit quality (soluble solids-SS, titratable acidity-AT, pH). The results showed the potentiality of the clone RI12V23 for 'Riesling Itálico', INRA-132 for 'Chardonnay', VCR-13 for 'Merlot' and VCR-10 for 'Cabernet Franc'. The 'Riesling Itálico' and 'Chardonnay' clones showed greater production precocity than the 'Merlot' and 'Cabernet Franc' clones.

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“Riesling Itálico”、“Chardonnay”、“Merlot”和“Cabernet Franc”葡萄无性系的农艺评价

本研究旨在评估最适合RS Veranópolis土壤气候条件的“Riesling Itálico”、“Chardonnay”、“Merlot”和“Cabernet Franc”葡萄无性系。该实验在国家果树诊断与研究中心（DDPA/SEAPDR）进行。评估了三个“雷司令伊塔利科”克隆（ISV-1、RI12V23、VCR-365）、四个“霞多丽”克隆（INRA-95、INRA-132、INRA-548、VCR-6）、四种“梅洛”克隆（INRA-181、INRA-47、VCR-13、VCR-1494）和七个“赤霞珠”克隆（INRA-122、INRA-144、ISV-8、ISV-101、VCR-2、VCR-4、VCR-10）。实验设计是随机分组的，每个小区有4个重复和10株植物。在2020/2021周期中，对无性系的酚系（芽突和成熟日期）、产量（公斤/株，吨/公顷重量/串）和果实质量（可溶性固体SS、可滴定酸度AT、pH）进行了评估。结果表明，RI12V23对“Riesling Itálico”、INRA-132对“Chardonnay”、VCR-13对“Merlot”和VCR-10对“Cabernet Franc”具有潜力。“Riesling Itálico”和“Chardonnay”无性系比“Merlot”和“Cabernet Franc”无性系表现出更大的生产早熟性。

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Pesquisa Agropecuaria Gaucha

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25 weeks