Aptitude for the implantation and survival of native and exotic estival forage grasses in La Pampa province, Argentina.
Grasslands in arid and semiarid regions suffer ecological degradation and production limitations. A management alternative to reverse this situation is the sowing of megathermal forage species. The objective was to evaluate vegetative and reproductive characters for the establishment of native and introduced forage grasses of the semiarid pampean region. The species evaluated were: the native Leptochloa crinita and Pappophorum caespitosum and the introduced ones Eragrostis curvula, Eragrostis superba, Tetrachne dregei, Digitaria eriantha and Panicum coloratum. Survival (Ix), Canopy height (AM), Canopy diameter (DM), Number of tillers (NM), Length of floral stems (LVF), Number of floral stems (NVF), Number of seeds per plant (NSP) and Weight of thousand seeds (PMS) were determined. Survival, 3 months after implantation, was high and without significant differences between species. P. coloratum obtained the highest values regarding: NVF (3 and 12 months), LVF (12 months), DM (10 and 12 months) and PMS (4 and 14 months after its implantation). D. eriantha obtained the highest values in: LVF (3 months) and AM (3 and 12 months); while E. curvula in NM (10 and 12 months), T. dregei in NSP (14 months) and P. caespitosum in NSP (4 months after implantation) and had significant differences with the rest of the species. It is feasible to implant the evaluated species, because they show high survival, good propagation by tillering (introduced) and high seed production (native).
Main Authors: | , , |
---|---|
Format: | Digital revista |
Language: | spa |
Published: |
Facultad de Agronomía
2021
|
Online Access: | https://cerac.unlpam.edu.ar/index.php/semiarida/article/view/5499 |
Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
id |
oai:ojs.cerac.unlpam.edu.ar:article5499 |
---|---|
record_format |
ojs |
spelling |
oai:ojs.cerac.unlpam.edu.ar:article54992023-11-14T12:23:04Z Aptitude for the implantation and survival of native and exotic estival forage grasses in La Pampa province, Argentina. Aptitud para la implantación y supervivencia de gramíneas forrajeras estivales nativas y exóticas en la provincia de La Pampa, Argentina Gonzalez, Martin Ezequiel Ernst, Ricardo Daniel Ruiz, María de los Ángeles grassland supervivencia gramineas Grasslands in arid and semiarid regions suffer ecological degradation and production limitations. A management alternative to reverse this situation is the sowing of megathermal forage species. The objective was to evaluate vegetative and reproductive characters for the establishment of native and introduced forage grasses of the semiarid pampean region. The species evaluated were: the native Leptochloa crinita and Pappophorum caespitosum and the introduced ones Eragrostis curvula, Eragrostis superba, Tetrachne dregei, Digitaria eriantha and Panicum coloratum. Survival (Ix), Canopy height (AM), Canopy diameter (DM), Number of tillers (NM), Length of floral stems (LVF), Number of floral stems (NVF), Number of seeds per plant (NSP) and Weight of thousand seeds (PMS) were determined. Survival, 3 months after implantation, was high and without significant differences between species. P. coloratum obtained the highest values regarding: NVF (3 and 12 months), LVF (12 months), DM (10 and 12 months) and PMS (4 and 14 months after its implantation). D. eriantha obtained the highest values in: LVF (3 months) and AM (3 and 12 months); while E. curvula in NM (10 and 12 months), T. dregei in NSP (14 months) and P. caespitosum in NSP (4 months after implantation) and had significant differences with the rest of the species. It is feasible to implant the evaluated species, because they show high survival, good propagation by tillering (introduced) and high seed production (native). Los pastizales de regiones áridas y semiáridas sufren degradación ecológica y limitaciones productivas. Una alternativa de manejo para revertir tal situación es la siembra de especies forrajeras megatérmicas. El objetivo fue evaluar caracteres vegetativos y reproductivos para el establecimiento de gramíneas forrajeras nativas e introducidas de la región semiárida pampeana. Las especies evaluadas fueron las nativas Leptochloa crinita y Pappophorum caespitosum y las introducidas Eragrostis curvula, Eragrostis superba, Tetrachne dregei, Digitaria eriantha y Panicum coloratum. Se determinó la supervivencia (Ix), altura de mata (AM), diámetro de mata (DM), número de macollas (NM), longitud de varas florales (LVF), número de varas florales (NVF), número de semillas por planta (NSP) y peso de mil semillas (PMS). La supervivencia, a los 3 meses de la implantación, fue alta y sin diferencias significativas entre especies. P. coloratum obtuvo los mayores valores respecto a: NVF (3 y 12 meses), LVF (12 meses), DM (10 y 12 meses) y PMS (4 y 14 meses de su implantación). D. eriantha obtuvo los mayores valores en: LVF (3 meses) y AM (3 y 12 meses); mientras que E. curvula en NM (10 y 12 meses), T. dregei en NSP (14 meses) y P. caespitosum en NSP (4 meses de su implantación) y tuvieron diferencias significativas con el resto de las especies. Es factible implantar las especies evaluadas, porque muestran alta supervivencia, buena propagación por macollamiento (introducidas) y elevada producción de semillas (nativas). Facultad de Agronomía 2021-07-12 info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion application/pdf https://cerac.unlpam.edu.ar/index.php/semiarida/article/view/5499 10.19137/semiarida.2021(02).21-31 Semiárida; Vol. 31 Núm. 2 (2021); 21-31 2408-4077 2362-4337 spa https://cerac.unlpam.edu.ar/index.php/semiarida/article/view/5499/6665 Derechos de autor 2021 Martin Ezequiel Gonzalez, Ricardo Daniel Ernst, María de los Ángeles Ruiz |
institution |
UNLPam |
collection |
OJS |
country |
Argentina |
countrycode |
AR |
component |
Revista |
access |
En linea |
databasecode |
rev-semiarida |
tag |
revista |
region |
America del Sur |
libraryname |
Biblioteca de la Facultad de Agronomía 'Eduardo Cano' |
language |
spa |
format |
Digital |
author |
Gonzalez, Martin Ezequiel Ernst, Ricardo Daniel Ruiz, María de los Ángeles |
spellingShingle |
Gonzalez, Martin Ezequiel Ernst, Ricardo Daniel Ruiz, María de los Ángeles Aptitude for the implantation and survival of native and exotic estival forage grasses in La Pampa province, Argentina. |
author_facet |
Gonzalez, Martin Ezequiel Ernst, Ricardo Daniel Ruiz, María de los Ángeles |
author_sort |
Gonzalez, Martin Ezequiel |
title |
Aptitude for the implantation and survival of native and exotic estival forage grasses in La Pampa province, Argentina. |
title_short |
Aptitude for the implantation and survival of native and exotic estival forage grasses in La Pampa province, Argentina. |
title_full |
Aptitude for the implantation and survival of native and exotic estival forage grasses in La Pampa province, Argentina. |
title_fullStr |
Aptitude for the implantation and survival of native and exotic estival forage grasses in La Pampa province, Argentina. |
title_full_unstemmed |
Aptitude for the implantation and survival of native and exotic estival forage grasses in La Pampa province, Argentina. |
title_sort |
aptitude for the implantation and survival of native and exotic estival forage grasses in la pampa province, argentina. |
description |
Grasslands in arid and semiarid regions suffer ecological degradation and production limitations. A management alternative to reverse this situation is the sowing of megathermal forage species. The objective was to evaluate vegetative and reproductive characters for the establishment of native and introduced forage grasses of the semiarid pampean region. The species evaluated were: the native Leptochloa crinita and Pappophorum caespitosum and the introduced ones Eragrostis curvula, Eragrostis superba, Tetrachne dregei, Digitaria eriantha and Panicum coloratum. Survival (Ix), Canopy height (AM), Canopy diameter (DM), Number of tillers (NM), Length of floral stems (LVF), Number of floral stems (NVF), Number of seeds per plant (NSP) and Weight of thousand seeds (PMS) were determined. Survival, 3 months after implantation, was high and without significant differences between species. P. coloratum obtained the highest values regarding: NVF (3 and 12 months), LVF (12 months), DM (10 and 12 months) and PMS (4 and 14 months after its implantation). D. eriantha obtained the highest values in: LVF (3 months) and AM (3 and 12 months); while E. curvula in NM (10 and 12 months), T. dregei in NSP (14 months) and P. caespitosum in NSP (4 months after implantation) and had significant differences with the rest of the species. It is feasible to implant the evaluated species, because they show high survival, good propagation by tillering (introduced) and high seed production (native). |
publisher |
Facultad de Agronomía |
publishDate |
2021 |
url |
https://cerac.unlpam.edu.ar/index.php/semiarida/article/view/5499 |
work_keys_str_mv |
AT gonzalezmartinezequiel aptitudefortheimplantationandsurvivalofnativeandexoticestivalforagegrassesinlapampaprovinceargentina AT ernstricardodaniel aptitudefortheimplantationandsurvivalofnativeandexoticestivalforagegrassesinlapampaprovinceargentina AT ruizmariadelosangeles aptitudefortheimplantationandsurvivalofnativeandexoticestivalforagegrassesinlapampaprovinceargentina AT gonzalezmartinezequiel aptitudparalaimplantacionysupervivenciadegramineasforrajerasestivalesnativasyexoticasenlaprovinciadelapampaargentina AT ernstricardodaniel aptitudparalaimplantacionysupervivenciadegramineasforrajerasestivalesnativasyexoticasenlaprovinciadelapampaargentina AT ruizmariadelosangeles aptitudparalaimplantacionysupervivenciadegramineasforrajerasestivalesnativasyexoticasenlaprovinciadelapampaargentina |
_version_ |
1787234152944238592 |