Efeito da poda, raleio de frutos e uso de fitorreguladores na produção de tangerinas (Citrus deliciosa Tenore) cv. montenegrina

Sartori, Ivar Antônio; Koller, Otto Carlos; Theisen, Sergiomar; Souza, Paulo Vítor Dutra de; Bender, Renar João; Marodin, Gilmar Arduíno Bettio

doi:10.1590/s0100-29452007000100004

Cited by 15 publications

(23 citation statements)

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“…Sartori et al (2007) also showed that the concentration of 200 mg L -1 , Ethephon did not produce a thinning effect nor reduced alternate bearing in the Montenegrina tangerine.…”

Section: Resultsmentioning

confidence: 86%

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Carbohydrate levels in the leaves and production consistency of the Ponkan tangerine when thinned out with Ethephon

Moreira¹,

Ramos²,

Cruz³

et al. 2013

Rev. Ciênc. Agron.

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“…Sartori et al (2007) also showed that the concentration of 200 mg L -1 , Ethephon did not produce a thinning effect nor reduced alternate bearing in the Montenegrina tangerine.…”

Section: Resultsmentioning

confidence: 86%

“…In the Montenegrina tangerine (Citrus deliciosa Tenore), this alternation was reduced with the use of 200 mg L -1 Ethephon + 3% urea (SOUZA et al, 1993). However, Sartori et al (2007), working with the same cultivar observed no effect when applying 200 mg L -1 Ethephon.…”

Section: Introductionmentioning

confidence: 92%

Carbohydrate levels in the leaves and production consistency of the Ponkan tangerine when thinned out with Ethephon

Moreira¹,

Ramos²,

Cruz³

et al. 2013

Rev. Ciênc. Agron.

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“…In order to obtain balanced harvests with fruit diameter and quality suitable for commercialization, hand-thinning is a common practice (RODRIGUES et al, 1998). Nowadays, the recommendation for this cultivar is to combine pruning and hand-thinning of the fruit every year (SARTORI et al, 2007b).…”

Section: Introductionmentioning

confidence: 99%

“…The best results in reducing the economic impact of labor were obtained using ethephon (2-chloroethylphosphonic acid, ET) in doses between 200 and 300mg L -1 , applied during the middle of physiological drop of young fruits (SOUZA et al, 1993). There are, however, several inconveniences, such as excessive thinning of fruit positioned on the external part of the canopy, leaf drop, phytotoxicity, and erratic behavior (SARTORI et al, 2007a(SARTORI et al, , 2007b.…”

Section: Introductionmentioning

confidence: 99%

3,5,6-trichloro-2-pyridinyloxyacetic acid as effective thinning agent for fruit of 'Montenegrina' mandarin

et al. 2016

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The 'Montenegrina' mandarin ( Citrus deliciosa Tenore) is widely cultivated in southern Brazil. This cultivar has a great tendency for alternate bearing, requiring thining of the fruit. However, the chemical thinners studied until now in this cultivar have not been successful. The objective of this research was to evaluate the effect of 3,5,6-trichloro-2-pyridinyloxyacetic acid (3,5,6-TPA) on the production and fruit quality of the 'Montenegrina' mandarin, in comparison with hand thinning and the options of chemical thinning previously studied. Hand thinning and no thinning were used as controls. Ethephon was applied in three doses: 200mg L-1, 300mg L-1 or 200mg L-1 + 3% urea; or 3,5,6-TPA, in four doses: 10, 20, 30 or 40mg L-1. Fruits of the hand thinned trees and those treated with 40mg L-1 showed greater average size, greater distribution of commercial caliber and more orange colors. No treatment reduced alternate bearing. Applications of 40mg L-1 of 3,5,6-TPA as a chemical thinner, during the physiological drop of young fruit, had a similar effect that of hand thinning over yield and quality of fruits of 'Montenegrina' mandarin.

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“…De acordo com Mattos Júnior et al (2004) e Quaggio et al (2003), são vários os fatores que podem interferir negativamente na massa e na produtividade de frutos de citros, dentre eles o manejo inadequado das adubações com consequentes desequilíbrios nutricionais proporcionados por adubações insuficientes ou desequilibradas e outros fatores mais comuns, como: a alternância de produção (Ramos-Hurtado et al, 2006;Sartori et al, 2007), a alta temperatura e o estresse hídrico (Paulino et al, 2007), além de doenças como a podridão floral dos citros, a leprose e a mancha-preta.…”

Section: Resultsunclassified

Adubação complementar para a mexeriqueira 'Rio' em sistema de cultivo orgânico

Marini

Marinho²

2011

Rev. bras. eng. agríc. ambient.

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RESUMOObjetivou-se com este trabalho avaliar os efeitos da adubação complementar com o biofertilizante Supermagro, a urina de vaca e a manipueira na produção e nos teores de nutrientes nas folhas da mexeriqueira (Citrus deliciosa Tenore cv. Rio) em sistema de cultivo orgânico. O delineamento experimental adotado foi o de blocos casualizados, com cinco repetições. Todas as plantas foram adubadas com esterco bovino e os tratamentos aplicados foram complementares a essa adubação. Foram constituídos dez tratamentos obtidos pelos tipos de adubo e por seu modo de aplicação (via solo, via pulverizações foliares ou ambos) e uma testemunha. A produção foi avaliada nas safras de 2006 e 2007 e os teores de nutrientes nas folhas, em 2005, 2006 e 2007. A adubação complementar não influenciou a produção de frutos. As aplicações de urina de vaca via solo, com ou sem aplicação foliar, e da manipueira, independentemente do modo de aplicação, contribuíram para elevar os teores de S nas folhas. O Supermagro aplicado via solo aumentou os teores de B nas folhas e, quando aplicado via foliar, aumentou os teores de Zn. Palavras-chave:Citrus deliciosa Tenore, biofertilizante, Supermagro, urina de vaca, manipueiraComplementary fertilization to willowleaf mandarim in organic cultivation system ABSTRACT The aim of this work was to evaluate the effect of complementary fertilization with the biofertilizer Supermagro, cow urine and cassava wastewater in the production and levels of nutrients in the leaves of willowleaf mandarim 'Rio' (Citrus deliciosa Tenore) in organic cultivation system. The experimental design used was the randomized blocks, with five replications. All plants were fertilized with cow manure and the applied treatments were complementary to this fertilization. Ten treatments were constituted, by fertilizer types and by modes of application (soil, foliar spray or both) plus a control. The complementary fertilization did not affect the fruit production. However, the cow urine applied on soil, with or without foliar spray, and cassava wastewater, independently of mode of application, increased S contents of leaves. The biofertilizer Supermagro when applied in soil increased B content of leaf, and when it was applied by foliar sprays increased Zn content of leaves.

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Efeito da poda, raleio de frutos e uso de fitorreguladores na produção de tangerinas (Citrus deliciosa Tenore) cv. montenegrina

Cited by 15 publications

References 1 publication

Carbohydrate levels in the leaves and production consistency of the Ponkan tangerine when thinned out with Ethephon

Carbohydrate levels in the leaves and production consistency of the Ponkan tangerine when thinned out with Ethephon

3,5,6-trichloro-2-pyridinyloxyacetic acid as effective thinning agent for fruit of 'Montenegrina' mandarin

Adubação complementar para a mexeriqueira 'Rio' em sistema de cultivo orgânico

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