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Investigating vegetative growth, yield and harvest time of Fukumoto orange (Citrus sinensis cv. Fukumoto) on some citrus rootstocks
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Negin Akhlaghi Amiri   , Ali Asadi Kangarshahi |
| Agricultural Research, Education and Extension Organization (AREEO) |
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Abstract: (31 Views) |
Effect of three citrus rootstocks (Carrizo citrange, Swingle citrumelo and C-35 citrange) on vegetative growth, quantitative and qualitative yield, and harvest time of Fukumoto navel orange was investigated during seven years. The trees on all rootstocks had a small volume (average volume in the last year was 5.5 m3). The bark of rootstock and scion of some trees on the C-35 rootstock, from the fifth year gradually showed signs of blistering and from the sixth year, leaves of two of them turned yellow and fell, and one of them died by the end of experiment. Carrizo citrange rootstock showed the highest morphological compatibility with the Fukumoto variety (0.77) and the trees on it althought a small volume (4.75 m3) did not show any signs of decline. The average size of the fruit in consecutive years was 250 g, the average peel thickness was 4 mm, the peel weight was 50% and the fruit juice was 40% compared to the fruit weight. The fruit harvest index reached the standard level (seven) in the third week of October every year. Therefore, currently, Fukumoto is the earliest navel orange variety in Iran, and it is harvestable about a month before Thomson navel orange.
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| Keywords: Citrange, Citrumelo, Incompatibility, Intensive planting, Tree volume |
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Type of Study: Research |
Subject:
Pomology
Received: 2023/08/6 | Accepted: 2024/12/29 | Published: 2025/03/8
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