Climatic Effects on Buffelgrass Productivity in the Sonoran Desert

Martín, Martha H.; Cox, Jerry R.; Ibarra-F., Fernando A.

doi:10.2307/4002505

Cited by 40 publications

(30 citation statements)

References 8 publications

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“…While in Mexico, the greatest observed biomass over a three‐year period occurred in the wettest year (July to September monsoon precipitation of 358 mm; Martin‐R et al. ). Buffelgrass has also been observed to predominate and spread where winter precipitation is <400 mm (Cox et al.…”

Section: Discussionmentioning

confidence: 99%

Forecasting an invasive species’ distribution with global distribution data, local data, and physiological information

et al. 2018

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Understanding invasive species distributions and potential invasions often requires broad‐scale information on the environmental tolerances of the species. Further, resource managers are often faced with knowing these broad‐scale relationships as well as nuanced environmental factors related to their landscape that influence where an invasive species occurs and potentially could occur. Using invasive buffelgrass (Cenchrus ciliaris), we developed global models and local models for Saguaro National Park, Arizona, USA, based on location records and literature on physiological tolerances to environmental factors to investigate whether environmental relationships of a species at a global scale are also important at local scales. In addition to correlative models with five commonly used algorithms, we also developed a model using a priori user‐defined relationships between occurrence and environmental characteristics based on a literature review. All correlative models at both scales performed well based on statistical evaluations. The user‐defined curves closely matched those produced by the correlative models, indicating that the correlative models may be capturing mechanisms driving the distribution of buffelgrass. Given climate projections for the region, both global and local models indicate that conditions at Saguaro National Park may become more suitable for buffelgrass. Combining global and local data with correlative models and physiological information provided a holistic approach to forecasting invasive species distributions.

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Section: Discussionmentioning

confidence: 99%

Forecasting an invasive species’ distribution with global distribution data, local data, and physiological information

et al. 2018

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“…It is highly drought-tolerant having high biomass productivity (Martin et al 1995, Rao et al 1996. Owing to its apomictic mode of reproduction, the genetic improvement of buffel grass was restricted to selection methodologies (Echenique et al 1996).…”

Section: Introductionmentioning

confidence: 99%

Somatic embryogenesis and regeneration of Cenchrus ciliaris genotypes from immature inflorescence explants

Yadav¹,

Jha²,

Mahalakshmi³

et al. 2009

Biologia plant.

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An efficient, highly reproducible system for plant regeneration via somatic embryogenesis was developed for Cenchrus ciliaris genotypes IG-3108 and IG-74. Explants such as seeds, shoot tip segments and immature inflorescences were cultured on Murashige and Skoog (MS) medium supplemented with 2.0 -5.0 mg dm -3 2,4-dichlorophenoxyacetic acid (2,4-D) and 0.5 mg dm -3 N 6 -benzyladenine (BA) for induction of callus. Callus could be successfully induced from all the three explants of both the genotypes. But the high frequency of embryogenic callus could be induced only from immature inflorescence explants. Somatic embryos were formed from nodular, hard and compact embryogenic calli when 2,4-D concentration was gradually reduced and BA concentration increased. Histological studies of somatic embryos indicated the presence of shoot apical meristem with leaf primordia. Ultrastructural details of globular and scutellar somatic embryos further validated successful induction and progression of somatic embryogenesis. Shoots were differentiated upon germination of somatic embryos on MS medium containing 2,4-D (0.25 mg dm -3 ) and BA or kinetin (1 -5 mg dm -3 ). Roots were induced on ½ MS medium containing charcoal (0.8 %), and the regenerated plants transferred to pots and established in the soil showed normal growth and fertility.

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“…I t seems t h a t advantages of Nueces over common buffelgrass include strongly rhizomatosus root system, better cold tolerance, up to three weeks earlier spring growth, higher forage yields, tolerance to long periods of drought and good nutritional quality. It has been reported that Nueces in Northeastern Mexico has great productive potential, even higher than common buffelgrass (Martin et al, 1995;Garcia and Maldonado, 1998). However, there is not scientific data available about seasonal variation of nutrient quality and in situ digestibility of Nueces growing in northeastern Mexico.…”

Section: Introductionmentioning

confidence: 99%

Seasonal Variation ofin situDigestibility of Dry Matter, Crude Protein and Cell Wall of Total Plant Leaves and Stems of Nueces Buffelgrass (Cenchrus ciliarisL.)

Ramírez

Foroughbackhch

Hauad

et al. 2001

Journal of Applied Animal Research

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Climatic Effects on Buffelgrass Productivity in the Sonoran Desert

Cited by 40 publications

References 8 publications

Forecasting an invasive species’ distribution with global distribution data, local data, and physiological information

Forecasting an invasive species’ distribution with global distribution data, local data, and physiological information

Somatic embryogenesis and regeneration of Cenchrus ciliaris genotypes from immature inflorescence explants

Seasonal Variation ofin situDigestibility of Dry Matter, Crude Protein and Cell Wall of Total Plant Leaves and Stems of Nueces Buffelgrass (Cenchrus ciliarisL.)

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