Management of blackberry pruning to extend harvest seasonality

IF 0.7 4区 农林科学 Q3 AGRICULTURE, MULTIDISCIPLINARY
Gabriel Laquete de Barros, Rafael Pio, Carlos Henrique Milagres Ribeiro, Lucídio Henriques Vote Fazenda, Alexandre Dias da Silva, Pedro Maranha Peche
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引用次数: 0

Abstract

Abstract The objective of this work was to evaluate the pruning management of the BRS Tupy and Brazos blackberry cultivars, in order to extend their harvest seasonality and fruit yield. The experiment was performed in an altitude subtropical region in the state of Minas Gerais, Brazil. Bushes were grown at 3.0x0.5 m spacing. The treatments consisted of the four following pruning seasons: one conventional pruning, with suppression of the produced stems in February and reduction of the stems in July; and three drastic pruning performed in the first two weeks of January, March, and May, with the application of 10% urea and 3% hydrogenated cyanamide five months later. The experimental design was in randomized complete blocks, in a 2x4 factorial arrangement, with two cultivars and four pruning managements, with four blocks. Fruit phenology, yield, and physicochemical quality were evaluated in two production cycles. It is possible to extend the harvest season of blackberry up to five months, in an altitude subtropical region in Lavras, in the state of Minas Gerais, Brazil, with drastic pruning in January and no irrigation. Drastic pruning in January or March increases the yield of the BRS Tupy and Brazos blackberry cultivars. The extended harvest season does not affect the quality of blackberries and does not create challenges for harvesting operations.
管理黑莓修剪延长收获季节
摘要为了延长黑莓品种的采收季节和果实产量,对BRS Tupy和Brazos两种黑莓品种的修剪管理进行了评价。实验是在巴西米纳斯吉拉斯州的亚热带高原地区进行的。灌木以3.0 × 0.5 m的间距生长。处理包括以下四个修剪季节:一个常规修剪,2月抑制产出茎,7月减少茎;在1月、3月和5月的前两周进行3次大幅度修剪,5个月后施用10%尿素和3%氢化氰酰胺。试验设计为随机完整区,2 × 4因子排列,2个品种和4个修剪管理,4个区。在两个生产周期内对果实物候、产量和理化品质进行了评价。在巴西米纳斯吉拉斯州拉夫拉斯(Lavras)的亚热带高原地区,黑莓的收获季节可以延长至5个月,在1月份进行剧烈的修剪,没有灌溉。1月或3月的剧烈修剪增加了BRS Tupy和Brazos黑莓品种的产量。延长的收获季节不会影响黑莓的质量,也不会给收获作业带来挑战。
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来源期刊
Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuaria Brasileira 农林科学-农业综合
CiteScore
1.20
自引率
0.00%
发文量
45
审稿时长
9-18 weeks
期刊介绍: Pesquisa Agropecuária Brasileira – PAB – is issued monthly by Empresa Brasileira de Pesquisa Agropecuária – EMBRAPA, affiliated to Ministry of Agriculture, Livestock and Food Supply. PAB publishes original scientific-technological articles on Plant Physiology, Plant Pathology, Crop Science, Genetics, Soil Science, Food Technology and Animal Science. Its abbreviated title is Pesq. agropec. bras., and it should be used in bibliographies, footnotes, references and bibliographic strips.
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