Performance of improved guayule lines in Australia

Dissanayake, P.; George, D. L.; Gupta, Mohit

doi:10.1016/j.indcrop.2003.11.005

Cited by 16 publications

(9 citation statements)

References 13 publications

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“…Compared to the long-term climate records for Gatton, Queensland, Australia, daily mean solar radiation and total ICR were lower than the long-term averages (i.e. 19 MJ m −2 and 339 mm) for the 2011/2012 season The soil for this experimental site was characterized as Fluvisols (FAO, 1983), cracking clay with a pH of 7.9 (Dissanayake et al, 2004). A sorghum crop was grown before planting to reduce the N of the soil.…”

Section: Introductionmentioning

confidence: 91%

As the level of crop productivity increases: Is there a role for intercropping in smallholder agriculture

Temesgen

Fukai

Rodrı́guez

2015

Field Crops Research

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Section: Introductionmentioning

confidence: 91%

As the level of crop productivity increases: Is there a role for intercropping in smallholder agriculture

Temesgen

Fukai

Rodrı́guez

2015

Field Crops Research

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“…Outside southern Europe, Dissanayake et al [26] evaluated improved lines of guayule in a black earth soil at a sub-tropical climate site of Australia. They reported a rubber and resin yield increase in the range of 53-123% for lines AZ-1 and AZ-2 over 11591.…”

Section: Discussionmentioning

confidence: 99%

Adaptation, Biometric Traits and Performances of Guayule Lines Grown in Two Mediterranean Environments

et al. 2020

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The perennial shrub guayule (Parthenium argentatum A. Gray) has gained interest as a potential source of natural and hypoallergenic rubber in Southern Europe. Although, native to northern Mexico, it is suited to semi-arid and Mediterranean environments. A research study was conducted in Sardinia (Italy) to evaluate adaptation and biometric traits of introduced guayule lines and to determine the contents and yields of rubber and resin obtainable from its aboveground biomass. Seedlings of the accessions AZ-1, AZ-2, P803, and 11591 were field transplanted in 2015 at two locations of southern, and northern Sardinia, respectively, differing for annual precipitation. Plant survival rate, height and width, trunk diameter, leaf chlorophyll concentration and photosystem photochemical efficiency were monitored. Shoots were harvested at 30 months after transplanting and were partitioned into twigs and remaining stems and its rubber and resin contents were determined. Location markedly affected plant survival rates and biometric traits. Dry matter yield of aboveground components as well as contents of rubber and resin and plant rubber and resin yields differed significantly among accessions under comparison. We found that AZ1 and 11591 were the most successful accessions at southern Sardinia site, whereas 11591 was the only accession exhibiting a satisfactory plant survival rate in the northern location.

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“…As new varieties were developed since WW II with an improved rubber yield per hectare, their resin content increased significantly. Before the breeding procedure, the resin content used to be about 40% of the rubber content, while after such a process, it increased up to 150% [14]. Sesqui-and tri-terpenes account for 37% and 52% of the resin produced by resin vessels [12] with the sesquiterpene, guayulin A, alone, accumulating to 1%-13.7% [15][16][17] depending on the variety and harvest date.…”

Section: Guayule: More Than Rubbermentioning

confidence: 99%

Potential Applications of Guayulins to Improve Feasibility of Guayule Cultivation

2019

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Guayule (Parthenium argentatum Gray) is an interesting alternative and renewable source of rubber/latex which has been used in the past. Guayule rubber and latex products are not available in the market largely because the raw material cost is higher than the current sources produced in South-East Asia and other tropical countries (Hevea brasiliensis). Guayule contains many other compounds whose joint exploitation could make guayule cultivation profitable, especially in semi-desert areas where cultivation of other crops is difficult or impossible. Guayulins A–D, sesquiterpene esters, appear to have some commercial promise. Despite being accumulated in relatively high concentrations (its majority representative, guayulin A, can account for up to 13.7% of the resin content of this plant, which itself ranges from 6%–12%), guayulins have received little direct attention from scientists. This review presents the current knowledge about the activity of these compounds and, based on known activities of similar compounds from other species, potential uses as fungicides, miticides and insecticides are suggested.

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Performance of improved guayule lines in Australia

Cited by 16 publications

References 13 publications

As the level of crop productivity increases: Is there a role for intercropping in smallholder agriculture

As the level of crop productivity increases: Is there a role for intercropping in smallholder agriculture

Adaptation, Biometric Traits and Performances of Guayule Lines Grown in Two Mediterranean Environments

Potential Applications of Guayulins to Improve Feasibility of Guayule Cultivation

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