Effect of leaf damage and environmental conditions on corn production

The aims of this study were to: (i) evaluate the effects of simulated foliar damage (FD) caused by hail at different corn growth stages on yield, weight of 1000 grains and test weight , (ii)relate them to the values used by some insurance companies. The trials were carried out in Zavalla (60° 53` W;...

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Detalles Bibliográficos
Autores principales: Papucci, Santiago Pedro, González, A, Cruciani, M
Formato: Artículo revista
Lenguaje:Español
Publicado: Facultad de Ciencias Agronómicas - UNR 2022
Materias:
maíz
daño foliar
rendimiento
corn
foliage damage
yield
milho
dano foliar
rendimento
Acceso en línea:https://cienciasagronomicas.unr.edu.ar/index.php/agro/article/view/23
Aporte de:
Ciencias Agronómicas de Universidad Nacional de Rosario
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institution Universidad Nacional de Rosario
institution_str I-15
repository_str R-223
container_title_str Ciencias Agronómicas
language Español
format Artículo revista
topic maíz
daño foliar
rendimiento
corn
foliage damage
yield
milho
dano foliar
rendimento
spellingShingle maíz
daño foliar
rendimiento
corn
foliage damage
yield
milho
dano foliar
rendimento
Papucci, Santiago Pedro
González, A
Cruciani, M
Effect of leaf damage and environmental conditions on corn production
topic_facet maíz
daño foliar
rendimiento
corn
foliage damage
yield
milho
dano foliar
rendimento
author Papucci, Santiago Pedro
González, A
Cruciani, M
author_facet Papucci, Santiago Pedro
González, A
Cruciani, M
author_sort Papucci, Santiago Pedro
title Effect of leaf damage and environmental conditions on corn production
title_short Effect of leaf damage and environmental conditions on corn production
title_full Effect of leaf damage and environmental conditions on corn production
title_fullStr Effect of leaf damage and environmental conditions on corn production
title_full_unstemmed Effect of leaf damage and environmental conditions on corn production
title_sort effect of leaf damage and environmental conditions on corn production
description The aims of this study were to: (i) evaluate the effects of simulated foliar damage (FD) caused by hail at different corn growth stages on yield, weight of 1000 grains and test weight , (ii)relate them to the values used by some insurance companies. The trials were carried out in Zavalla (60° 53` W; 33º 01` S), Argentina in 2008, 2010, 2011, 2012, 2014 and 2015. FD consisted in tearing all leaves at three different times: R1-15 days, R1, and R1+15 days , and with varying intensity (breaking or not breaking the midrib: BM and NBM). Number of spikes (S), yield (Y), weight of 1000 grains (WG1000) and test weight (TW) were evaluated. Data were analyzed using ANOVA and Tukey-Kramer´s test. Treatments in which the midrib was broken at R1-15 and R1 showed the greatest yield decreases. Although different yields were observed when foliar damage was done at different growth stages (R1-15, R1 or R1 + 15), the differences between these moments were not statistically significant for either of the two intensities. According to these results, the treatment BMat R1 + 15 is the one that is more involved with WG1000 decrease. Significant TW differences were found only in the 2007/08 and 2009 /10 growing seasons, with BM at R1 differing significant (P≤0.01) from the control.Yieldwas not influenced by environment-treatment interactions. BM R1 treatments resulted in the highest yield decreases. WG1000 waslower when the blade was damaged and the midribbroken at R1 + 15. The 15% yield decrease may be compared with the 35% defoliation value used by security companies.
publisher Facultad de Ciencias Agronómicas - UNR
publishDate 2022
url https://cienciasagronomicas.unr.edu.ar/index.php/agro/article/view/23
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first_indexed 2023-05-16T22:17:45Z
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spelling I15-R223-article-232024-11-04T11:11:00Z Effect of leaf damage and environmental conditions on corn production Efecto del daño foliar y el ambiente sobre el rendimiento en el cultivo de maiz Efeito do dano foliar e do ambiente sobre o desempenho no cultivo de milho Papucci, Santiago Pedro González, A Cruciani, M maíz daño foliar rendimiento corn foliage damage yield milho dano foliar rendimento The aims of this study were to: (i) evaluate the effects of simulated foliar damage (FD) caused by hail at different corn growth stages on yield, weight of 1000 grains and test weight , (ii)relate them to the values used by some insurance companies. The trials were carried out in Zavalla (60° 53` W; 33º 01` S), Argentina in 2008, 2010, 2011, 2012, 2014 and 2015. FD consisted in tearing all leaves at three different times: R1-15 days, R1, and R1+15 days , and with varying intensity (breaking or not breaking the midrib: BM and NBM). Number of spikes (S), yield (Y), weight of 1000 grains (WG1000) and test weight (TW) were evaluated. Data were analyzed using ANOVA and Tukey-Kramer´s test. Treatments in which the midrib was broken at R1-15 and R1 showed the greatest yield decreases. Although different yields were observed when foliar damage was done at different growth stages (R1-15, R1 or R1 + 15), the differences between these moments were not statistically significant for either of the two intensities. According to these results, the treatment BMat R1 + 15 is the one that is more involved with WG1000 decrease. Significant TW differences were found only in the 2007/08 and 2009 /10 growing seasons, with BM at R1 differing significant (P≤0.01) from the control.Yieldwas not influenced by environment-treatment interactions. BM R1 treatments resulted in the highest yield decreases. WG1000 waslower when the blade was damaged and the midribbroken at R1 + 15. The 15% yield decrease may be compared with the 35% defoliation value used by security companies. Los objetivos de este trabajo fueron: (i) evaluar, en el cultivo de maíz, los efectos sobre el rendimiento (REND), peso de grano (P1000) y peso hectolítrico (PH) cuando se simula el daño foliar (DF) causado por el granizo y (ii) relacionarlos con los valores usados por las compañías de seguros. Los ensayos se realizaron en Zavalla, Long. O 60º 53`; Lat. S 33º 01`, Argentina, en las campañas 2007/08, 2009/10, 2010/11, 2011/12, 2013/14 y 2014/15. El DF consistió en el rasgado de las láminas en distintos momentos: R1-15 días, R1 y R1+15 días (escala de Ritchie et al, 1989), y diferente intensidad (con quebrado, CQNC, o no de la nervadura central, SQNC). Se midió el número de espigas (ESP), REND, P1000 y PH. Los datos fueron analizados mediante ANOVA y el test de medias de Tukey-Kramer. Las mayores mermas de REND se producen con CQNC y en los momentos R1-15 y R1. El tratamiento CQNC R1 + 15 presentó valores significativamente menores para P1000 en las campañas 2007/08, 2009/10 y 2010/11. Para el PH se encontraron diferencias en 2007/08 y 2009/10. El tratamiento que difirió del testigo fue CQNC R1 (P≤0.01). El REND no es influenciado por la interacción ambiente por tratamiento. La mayor disminución del REND la muestra el tratamiento CQNC R1. El P1000 es menor cuando en R1+15 la hoja es dañada y quebrada la nervadura central. La disminución del REND del 15 % es comparable a una defoliación del 35 % según las compañías de seguro. Os objetivos deste trabalho foram: (i) avaliar, no cultivo do milho, os efeitos sobre o rendimento (REND), peso do grão (P1000) e peso hectolitro (PH) ao simular o dano foliar (DF) causado pelo granizo e (ii) relacioná-los com os valores usados pelas seguradoras. Os ensaios foram realizados em Zavalla, Log. O 60º 53`; Lat. S 33º 01`, Argentina, nas campanhas 2007/08, 2009/10, 2010/11, 2011/12, 2013/14 y 2014/15. O DF consistiu em rasgar as lâminas em diferentes momentos: R1-15 dias, R1 e R1+15 dias (escala de Ritchie et al, 1989) e com diferente intensidade (com quebra, CQNC, ou não da nervura central, SQNC). Foi medido o número de espigas (ESP), REND, P1000 e PH. Os dados foram analisados com ANOVA e o teste de médias de Tukey-Kramer. As maiores perdas de REND ocorrem CQNC e nos momentos R1-15 e R1. O tratamento CQNC R1 + 15 apresentou valores significativamente mais baixos para P1000 nas campanhas 2007/08, 2009/10 y 2010/11. Para o PH encontraram-se diferenças em 2007/08 e 2009/10. O tratamento que diferiu da testemunha foi CQNC R1 (P≤0,01). O REND não é influenciado pela interação ambiente por tratamento. A maior diminuição no REND é demonstrada pelo tratamento CQNC R1. O P1000 é menor quando em R1 + 15 a folha está danificada e a nervura central está quebrada. A redução de 15% no REND é comparável a uma desfoliação de 35%, segundo as seguradoras. Facultad de Ciencias Agronómicas - UNR 2022-05-24 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Artículo evaluado por pares text/html application/pdf https://cienciasagronomicas.unr.edu.ar/index.php/agro/article/view/23 10.35305/agro34.225 Ciencias Agronómicas; Núm. 34 (19): 2019; e001 2250-8872 1853-4333 spa https://cienciasagronomicas.unr.edu.ar/index.php/agro/article/view/23/31 https://cienciasagronomicas.unr.edu.ar/index.php/agro/article/view/23/67 Derechos de autor 2019 Santiago Pedro Papucci, A González, M Cruciani, M González https://creativecommons.org/licenses/by-nc-nd/4.0/

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