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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha : |
25/02/2021 |
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Actualizado : |
25/02/2021 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Autor : |
CARRA, B.; ABREU, E. S.; DINI, M.; PASA, M. S.; PASA, C. P.; FRANCESCATTO. P.; HERTER, F. G.; MELLO-FARIAS, P. C. |
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Afiliación : |
BRUNO CARRA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; Programa de Pós-Graduaçao em Agronomia (PPGA), Universidade Federal de Pelotas (UFPel), Pelotas-RS, Brazil; E. S. ABREU, Programa de Pós-Graduaçao em Agronomia (PPGA), Universidade Federal de Pelotas (UFPel), Pelotas-RS, Brazil; MAXIMILIANO ANTONIO DINI VIÑOLY, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; Programa de Pós-Graduaçao em Agronomia (PPGA), Universidade Federal de Pelotas (UFPel), Pelotas-RS, Brazil; M. S. PASA, Programa de Pós-Graduaçao em Agronomia (PPGA), Universidade Federal de Pelotas (UFPel), Pelotas-RS, Brazil; C. P. PASA, Programa de Pós-Graduaçao em Agronomia (PPGA), Universidade Federal de Pelotas (UFPel), Pelotas-RS, Brazil; P. FRANCESCATTO, Global Technical Development Specialist, Valent BioSciences Corporation, Libertyville, IL, USA.; F. G. HERTER, Programa de Pós-Graduaçao em Agronomia (PPGA), Universidade Federal de Pelotas (UFPel), Pelotas-RS, Brazil; P. C. MELLO-FARIAS, Programa de Pós-Graduaçao em Agronomia (PPGA), Universidade Federal de Pelotas (UFPel), Pelotas-RS, Brazil. |
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Título : |
Increase of fruit set and yield of 'Rocha' pear trees. [Conference paper]. |
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Fecha de publicación : |
2021 |
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Fuente / Imprenta : |
Acta Horticulturae, February 2021, N°1303, p. 271-278. DOI: https://doi.org/10.17660/ActaHortic.2021.1303.38 |
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ISSN : |
0567-7572 (print); 2406-6168 (electronic) |
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DOI : |
10.17660/ActaHortic.2021.1303.38 |
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Idioma : |
Inglés |
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Notas : |
Article history: Published 5 February 2021. In: Acta Horticulturae (ISHS) 1303: XIII International Pear Symposium, Montevideo, Uruguay. Conveners: Roberto Zoppolo, Danilo Cabrera. Editors: Roberto Zoppolo, Danilo Cabrera, D. Granatstein. |
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Contenido : |
ABSTRACT.
Low fruit set is one of the main factors leading to low yields of the pear orchards in Brazil. Exogenous application of plant growth regulators (PGRs) shows great potential to overcome this problem. Recent studies have shown great promise of several ethylene inhibitors in increasing fruit set and yields of several fruit species. The objective of this study was to evaluate the effect of several PGRs sprayed at different timings on fruit set, yield, and fruit quality of 'Rocha' pear in southern Brazil. The study was performed during the 2016/2017 growing season using five-year-old 'Rocha' pear trees on 'BA29' quince rootstock. Treatments consisted of an untreated control, aminoethoxyvinilglycine (AVG) 60 mg L‑1 applied 1+2 weeks after full bloom (WAFB); cobalt (Co) 25.6 mg L‑1 + molybdenum (Mo) 38.4 mg L‑1 sprayed at full bloom (FB), 1 WAFB, 2 WAFB, 1 + 2 WAFB or FB + 1 + 2 WAFB; and kinetin (Ki) 0.18 mg L‑1 + gibberellic acid (GA3) 0.1 mg L‑1 + indolebutyric acid (IBA) 0.1 mg L‑1 sprayed at FB or FB + 1 WAFB. Fruit set, number of fruit tree‑1, yield, average fruit weight, fruit length (L), fruit diameter (D), L/D ratio, seed number, flesh firmness and soluble solids content were assessed. Fruit set and yield were increased by all treatments except Ki + GA3 + IBA sprayed at FB in total number of fruit at harvest, number of thinned fruit and yield compared to control trees. The greatest increase in yield was observed with AVG. Average fruit weight of all treatments, except Co + Mo (FB), was reduced compared to control trees, likely due to the increased crop load.
@ International Society for Horticultural Science. MenosABSTRACT.
Low fruit set is one of the main factors leading to low yields of the pear orchards in Brazil. Exogenous application of plant growth regulators (PGRs) shows great potential to overcome this problem. Recent studies have shown great promise of several ethylene inhibitors in increasing fruit set and yields of several fruit species. The objective of this study was to evaluate the effect of several PGRs sprayed at different timings on fruit set, yield, and fruit quality of 'Rocha' pear in southern Brazil. The study was performed during the 2016/2017 growing season using five-year-old 'Rocha' pear trees on 'BA29' quince rootstock. Treatments consisted of an untreated control, aminoethoxyvinilglycine (AVG) 60 mg L‑1 applied 1+2 weeks after full bloom (WAFB); cobalt (Co) 25.6 mg L‑1 + molybdenum (Mo) 38.4 mg L‑1 sprayed at full bloom (FB), 1 WAFB, 2 WAFB, 1 + 2 WAFB or FB + 1 + 2 WAFB; and kinetin (Ki) 0.18 mg L‑1 + gibberellic acid (GA3) 0.1 mg L‑1 + indolebutyric acid (IBA) 0.1 mg L‑1 sprayed at FB or FB + 1 WAFB. Fruit set, number of fruit tree‑1, yield, average fruit weight, fruit length (L), fruit diameter (D), L/D ratio, seed number, flesh firmness and soluble solids content were assessed. Fruit set and yield were increased by all treatments except Ki + GA3 + IBA sprayed at FB in total number of fruit at harvest, number of thinned fruit and yield compared to control trees. The greatest increase in yield was observed with AVG.... Presentar Todo |
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Palabras claves : |
Aminoethoxyvinilglycine; Fruit quality; Fruitlet drop; Seed number. |
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Thesagro : |
PYRUS COMMUNIS. |
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Asunto categoría : |
F30 Genética vegetal y fitomejoramiento |
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Marc : |
LEADER 02849naa a2200301 a 4500
001 1061767
005 2021-02-25
008 2021 bl uuuu u00u1 u #d
022 $a0567-7572 (print); 2406-6168 (electronic)
024 7 $a10.17660/ActaHortic.2021.1303.38$2DOI
100 1 $aCARRA, B.
245 $aIncrease of fruit set and yield of 'Rocha' pear trees. [Conference paper].$h[electronic resource]
260 $c2021
500 $aArticle history: Published 5 February 2021. In: Acta Horticulturae (ISHS) 1303: XIII International Pear Symposium, Montevideo, Uruguay. Conveners: Roberto Zoppolo, Danilo Cabrera. Editors: Roberto Zoppolo, Danilo Cabrera, D. Granatstein.
520 $aABSTRACT. Low fruit set is one of the main factors leading to low yields of the pear orchards in Brazil. Exogenous application of plant growth regulators (PGRs) shows great potential to overcome this problem. Recent studies have shown great promise of several ethylene inhibitors in increasing fruit set and yields of several fruit species. The objective of this study was to evaluate the effect of several PGRs sprayed at different timings on fruit set, yield, and fruit quality of 'Rocha' pear in southern Brazil. The study was performed during the 2016/2017 growing season using five-year-old 'Rocha' pear trees on 'BA29' quince rootstock. Treatments consisted of an untreated control, aminoethoxyvinilglycine (AVG) 60 mg L‑1 applied 1+2 weeks after full bloom (WAFB); cobalt (Co) 25.6 mg L‑1 + molybdenum (Mo) 38.4 mg L‑1 sprayed at full bloom (FB), 1 WAFB, 2 WAFB, 1 + 2 WAFB or FB + 1 + 2 WAFB; and kinetin (Ki) 0.18 mg L‑1 + gibberellic acid (GA3) 0.1 mg L‑1 + indolebutyric acid (IBA) 0.1 mg L‑1 sprayed at FB or FB + 1 WAFB. Fruit set, number of fruit tree‑1, yield, average fruit weight, fruit length (L), fruit diameter (D), L/D ratio, seed number, flesh firmness and soluble solids content were assessed. Fruit set and yield were increased by all treatments except Ki + GA3 + IBA sprayed at FB in total number of fruit at harvest, number of thinned fruit and yield compared to control trees. The greatest increase in yield was observed with AVG. Average fruit weight of all treatments, except Co + Mo (FB), was reduced compared to control trees, likely due to the increased crop load. @ International Society for Horticultural Science.
650 $aPYRUS COMMUNIS
653 $aAminoethoxyvinilglycine
653 $aFruit quality
653 $aFruitlet drop
653 $aSeed number
700 1 $aABREU, E. S.
700 1 $aDINI, M.
700 1 $aPASA, M. S.
700 1 $aPASA, C. P.
700 1 $aFRANCESCATTO. P.
700 1 $aHERTER, F. G.
700 1 $aMELLO-FARIAS, P. C.
773 $tActa Horticulturae, February 2021, N°1303, p. 271-278. DOI: https://doi.org/10.17660/ActaHortic.2021.1303.38
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Registro original : |
INIA Las Brujas (LB) |
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| Acceso al texto completo restringido a Biblioteca INIA Las Brujas. Por información adicional contacte bibliolb@inia.org.uy. |
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Registro completo
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Biblioteca (s) : |
INIA Las Brujas. |
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Fecha actual : |
04/02/2020 |
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Actualizado : |
24/06/2021 |
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Tipo de producción científica : |
Artículos en Revistas Indexadas Internacionales |
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Circulación / Nivel : |
Q - 1 |
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Autor : |
HAREAU, G.; MILLS, B.F.; NORTON, G.W. |
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Afiliación : |
GUY GASTON HAREAU ALGORTA, INIA (Instituto Nacional de Investigación Agropecuaria), Uruguay; Department of Agricultural and Applied Economics, Virginia Polytechnic Institute and State University, VA, United States; BRADFORD F. MILLS, Department of Agricultural and Applied Economics, Virginia Polytechnic Institute and State University, VA, United States; GEORGE W. NORTON, Department of Agricultural and Applied Economics, Virginia Polytechnic Institute and State University, VA, United States. |
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Título : |
The potential benefits of herbicide-resistant transgenic rice in Uruguay: Lessons for small developing countries. |
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Fecha de publicación : |
2006 |
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Fuente / Imprenta : |
Food Policy, April 2006, Volume 31, Issue 2, Pages 162-179. Doi: https://doi.org/10.1016/j.foodpol.2005.10.005 |
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ISSN : |
0306-9192 |
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DOI : |
10.1016/j.foodpol.2005.10.005 |
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Idioma : |
Inglés |
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Notas : |
Article history: Accepted 3 October 2005 / Available online 18 November 2005. |
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Contenido : |
ABSTRACT.
In many developing countries, the potential benefits from adopting a transgenic variety developed by a multinational corporation are limited by the crop's small production base. This paper presents an ex-ante evaluation of the economic impact of herbicide resistant transgenic rice in a small developing country, Uruguay. To fully account for the multinational's market power, the firm's seed markup is assumed to affect the adoption rate for the variety. Stochastic simulation techniques are employed to understand how potential benefits may vary with changes in technology, yield, costs, and adoption parameters. The results indicate a $1.82 million mean net present value for producers from the development and utilization of transgenic rice in Uruguay and $0.55 million for the multinational. These relatively small multinational firm benefits suggest that a firm will not undertake significant efforts to develop transgenic varieties adapted to local conditions without either strategic partnerships with local institutions or access to wider regional markets. © 2005 Elsevier Ltd. All rights reserved. |
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Palabras claves : |
Economic surplus; Genetically modified rice; Stochastic simulation. |
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Thesagro : |
ARROZ; URUGUAY. |
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Asunto categoría : |
E10 Economía y políticas agrícolas |
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Marc : |
LEADER 01972naa a2200241 a 4500
001 1060763
005 2021-06-24
008 2006 bl uuuu u00u1 u #d
022 $a0306-9192
024 7 $a10.1016/j.foodpol.2005.10.005$2DOI
100 1 $aHAREAU, G.
245 $aThe potential benefits of herbicide-resistant transgenic rice in Uruguay$bLessons for small developing countries.$h[electronic resource]
260 $c2006
500 $aArticle history: Accepted 3 October 2005 / Available online 18 November 2005.
520 $aABSTRACT. In many developing countries, the potential benefits from adopting a transgenic variety developed by a multinational corporation are limited by the crop's small production base. This paper presents an ex-ante evaluation of the economic impact of herbicide resistant transgenic rice in a small developing country, Uruguay. To fully account for the multinational's market power, the firm's seed markup is assumed to affect the adoption rate for the variety. Stochastic simulation techniques are employed to understand how potential benefits may vary with changes in technology, yield, costs, and adoption parameters. The results indicate a $1.82 million mean net present value for producers from the development and utilization of transgenic rice in Uruguay and $0.55 million for the multinational. These relatively small multinational firm benefits suggest that a firm will not undertake significant efforts to develop transgenic varieties adapted to local conditions without either strategic partnerships with local institutions or access to wider regional markets. © 2005 Elsevier Ltd. All rights reserved.
650 $aARROZ
650 $aURUGUAY
653 $aEconomic surplus
653 $aGenetically modified rice
653 $aStochastic simulation
700 1 $aMILLS, B.F.
700 1 $aNORTON, G.W.
773 $tFood Policy, April 2006, Volume 31, Issue 2, Pages 162-179. Doi: https://doi.org/10.1016/j.foodpol.2005.10.005
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