Effect of 14 peach rootstocks on the yield,fruit quality,mortality, girth expansion and resistance to frost damages of May Crest peach variety and their susceptibility on Phytophthora citrophthora |
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| Affiliation: | 1. CAPES Foundation, Ministry of Education of Brazil, Brasília DF 70040-020, Brazil;2. Department of Horticulture, Oregon State University, Mid-Columbia Agricultural Research and Extension Center, 3005 Experiment Station Drive, Hood River, OR 97031, USA;1. Dipartimento di Scienze Agrarie, Alimentari e Ambientali, Università degli Studi di Perugia, Borgo XX Giugno, Perugia, 74–06121 Italy;2. Dipartimento di Agraria, Università degli Studi di Napoli Federico II, Portici, NA, Italy;3. Istituto di Biologia Agroambientale e Forestale, CNR, Porano, TR, Italy;1. Department of Landscape Architecture, Planning and Management, Swedish University of Agricultural Sciences, Slottsvägen 5, SE-230 53 Alnarp, Sweden;2. Department of Horticulture and Urban Greening, Bioforsk Vest, 4353 Klepp, Norway;1. Universidade de São Paulo, Instituto de Biociências, Departamento de Botânica, Rua do Matão 277, 05508-090 São Paulo, São Paulo, Brazil;2. Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto, Departamento de Biologia, Av. Bandeirantes, 3900, 14040-901 Ribeirão Preto, São Paulo, Brazil;1. NARO Institute of Fruit Tree Science, Tsukuba, Ibaraki 305-8605, Japan;2. Kumamoto Prefectural Agricultural Research Center, Uki, Kumamoto 869-0524, Japan;3. Kochi Prefectural Agricultural Research Center, Kochi, Kochi 780-8064, Japan;4. Tochigi Prefectural Agricultural Experimental Station, Utsunomiya, Tochigi 320-0002, Japan |
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| Abstract: | The influence of 14 peach rootstocks (GF677, AN 1/6, PR204/84, KID 1, DSS, wild peach seedling, KID 2, IDS-37, Limnou, Loadel, D.1869, MRS 2/5, A/P Procopiou, Selfrooted) on the nutrient absorption, yield, fruit quality, mortality, girth expansion and resistance to frost damages of May Crest peach variety was evaluated. The results showed that the better rootstocks were considered PR204/84, GF677, AN 1/6, KID 1 and KID 2. Trees on these rootstocks produced the highest yields and relatively good fruit quality. Trees grafted on PR204/84, GF677, KID 1 and KID 2 rootstocks were resistant to frost damage. In contrast, scion on the rootstock AN 1/6 were susceptible to frost damage. The mortality of trees grafted on AN 1/6, KID 1 and KID 2 was 0%. Trees grafted on PR204/84 and GF677 showed 40% mortality. The rootstocks GF677, AN 1/6, KID 1 and KID 2 had similar girth expansion. In contrast, the girth expansion of PR204/84 was significantly lower. Generally, rootstocks with the lowest level of P had the highest level of K and Ca. The converse was also true.All rootstocks showed similar susceptibility to Phytophthora citrophthora. |
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