Raciation in Epacris impressa. I. Corolla colour and corolla length

1977 ◽  
Vol 25 (3) ◽  
pp. 299 ◽  
Author(s):  
HM Stace ◽  
YJ Fripp
Keyword(s):  
South Australia ◽  
The Other ◽  
Potential Importance ◽  
Corolla Length ◽  
Corolla Colour ◽  
Racial Development

195 populations of Epacris impressa in Victoria, South Australia and Tasmania were surveyed for corolla colour composition. Of these, 75 consisted entirely of plants with white, or pink, or scarlet corollas. These monomorphic populations showed a consistent association between corolla colour, corolla length and anther colour, which suggested that corolla colour is a marker of racial development in this species. Most of the other 120 populations were polymorphic for pink- and white-flowered plants, the content of white-flowered plants ranging from 1 to 99 %. Twenty-six of these polymorphic populations were located in the Grampians and belong to the previously recognized grandiflora race. Four races are distinguished in E. impressa, marked respectively by short white corollas, long pink corollas, long scarlet corollas, and broad pink or white corollas (grandiflora). Corolla colour and length in the genus Epacris, and the potential importance of corolla colour and other differences in successful pollination are discussed.

Studies on the susceptibility of varieties of apple to the feeding of two strains of woolly aphis (Homoptera) and relation to the chemical content of the tissues of the host

1975 ◽  
Vol 26 (1) ◽  
pp. 157 ◽  
Author(s):  
GC Sen Gupta ◽  
PW Miles
Keyword(s):  
Amino Nitrogen ◽  
South Australia ◽  
The Other ◽  
Clear Cut ◽  
Chemical Content ◽  
The One ◽  
Different Parts

Two strains of woolly aphis have been demonstrated in South Australia, the one ('Blackwood strain') able to attack varieties of apple resistant to the other ('Clare strain'). Both strains display well-defined differences in the ease with which they can colonize different varieties of apple and different parts of any one variety. These differences tend to be related to the composition of the tissues with respect to α-amino nitrogen and phenolics, but the most clear-cut correlation is an inverse one between the susceptibility of tissues and the ratio of phenolics to α-amino nitrogen in the tissue.

Are mesic communities less drought-resistant? A study on moisture relationships in dry sclerophyll forest at Inglewood, South Australia

1962 ◽  
Vol 10 (2) ◽  
pp. 106 ◽  
Author(s):  
HA Martin ◽  
RL Specht
Keyword(s):  
Soil Moisture ◽  
South Australia ◽  
Seedling Stage ◽  
The Other ◽  
Drought Period ◽  
Available Water ◽  
Sclerophyll Forest ◽  
Characteristic Species ◽  
Drought Resistant ◽  
Soil Moisture Reserves

Soil moisture changes under two adjacent forest associations (Eucalyptus obliqua association in the more mesic environment, E. elaeophora association in the more xeric sites) were recorded in the Inglewood area of the Mount Lofty Ranges, South Australia. The evidence indicated that the E. obliqua association had a higher index of evapotranspiration (Itr = Etr/Ew0.75) over most of the range of available water (soil moisture + rainfall) than the E. elaeophora association. The more mesic association consequently completely exhausted the stored soil moisture during periods of low rainfall and had to survive a drought period every year. The other association did not deplete the soil moisture reserves and in an average year, no drought occurred. Characteristic species of the more mesic association must be able to survive this drought period especially during the seedling stage.

Ease of calving, growth and carcass characteristics of crossbred calves in the lower South East of South Australia

1983 ◽  
Vol 23 (122) ◽  
pp. 228 ◽  
Author(s):  
MPB Deland ◽  
RW Ponzoni ◽  
RW McNeil
Keyword(s):  
Growth Rate ◽  
Growth Rates ◽  
South Australia ◽  
Carcass Characteristics ◽  
The Other ◽  
Research Centre ◽  
Slaughter Cattle ◽  
Calf Mortality ◽  
Lower South ◽  
Jersey Cows

Hereford, Charolais and Brahman sires were mated to Hereford, Shorthorn, Jersey and Friesian xshorthorn cows for four successive years from June 1969 at Struan Research Centre in South Australia. Assistance was given during 15 .9% of calvings resulting from Charolais sires, 6.8% resulting from Brahman sires and 2.1% from Hereford sires (differences statistically significant, P < 0 05). A greater percentage of Friesian x Shorthorn (13.8) than of Shorthorn (5.0) or Jersey (4 3) cows were assisted at birth (P< 0.05). There were no significant differences between the percentage of Hereford cows assisted (10.9) and that of any of the other dam breeds. There were no significant differences in calf mortality among sire breeds or among dam breeds. Charolais-sired calves were heavier at birth, 270,340 and 430 d old and had heavier (1 95 kg) carcasses with a smaller proportion of fat than Brahman- and Hereford-sired carcasses (180 and 167 kg respectively) at 430d old. Brahman-sired calves were heavier than Hereford-sired calves at birth, 370, 430 d old. However, they were significantly lighter at 270 d old. Hereford cows gave birth to significantly heavier calves than Shorthorn and Jersey cows but there were no clear differences due to dam breed in growth rates of calves, carcass weights or composition. It was concluded that the use of Charolais sires in the lower South East of South Australia can result in significant increases in the growth rate of slaughter cattle and in the production of leaner carcasses. Brahman sires did not exhibit clear advantages over Hereford sires. No definite conclusions could be drawn about the dam breeds examined in the study.

RADICAL-MOLECULE REACTIONS HCO/HOC + C2H4: A MECHANISTIC STUDY

2005 ◽  
Vol 04 (04) ◽  
pp. 1029-1055 ◽  
Author(s):  
HONG-BIN XIE ◽  
YI-HONG DING ◽  
CHIA-CHUNG SUN
Keyword(s):  
Kinetic Study ◽  
Kinetic Data ◽  
Computational Study ◽  
The Other ◽  
Mechanistic Study ◽  
Potential Importance ◽  
Donation Process ◽  
Combustion Processes ◽  
Extrusion Product ◽  
Orbital Analysis

A detailed computational study is performed on the radical-molecule reactions between HCO/HOC and ethylene ( C 2 H 4) at the Gaussian-3//B3LYP/6-31G(d) level. For the HCO + C 2 H 4 reaction, the most favorable pathway is the direct C -addition forming the intermediate H 2 CCH 2 CHO , followed by a 1,2- H -shift leading to H 3 CCHCHO . Subsequently, there are two highly competitive dissociation pathways for H 3 CCHCHO : one is the formation of the direct H -extrusion product H 2 CCHCHO + H , and the other is the formation of C 2 H 5 + CO via the intermediate H 3 CCH 2 CO . The overall reaction barrier is 14.1 and 14.6 kcal/mol respectively, at the G3B3 level. The quasi-direct H -donation process to produce C 2 H 5 + CO with the barrier 16.5 kcal/mol is less competitive. Thus, only at higher temperatures, the HCO + C 2 H 4 reaction could play a role. In contrast, the HOC + C 2 H 4 reaction just need to overcome a small barrier 2.0 kcal/mol to generate C 2 H 5 + CO via the quasi-direct H -donation mechanism. This is suggestive of the potential importance of the HOC + C 2 H 4 reaction in combustion processes. However, the direct C -addition channel is much less competitive. The present kinetic data and orbital analysis show that the HCO radical has much higher reactivity than HOC , although the latter is more energetic. Till now, no kinetic study on the HOC radical has been reported, the present study can provide useful information on understanding the reactivity and depletion mechanism of the energetic HOC radical.

Irish life and progress in colonial South Australia

1991 ◽  
Vol 27 (107) ◽  
pp. 216-236 ◽  
Author(s):  
Eric Richards
Keyword(s):  
Nineteenth Century ◽  
South Australia ◽  
The Other ◽  
Catholic Priest ◽  
Southern England ◽  
Early Colonial

South Australia was the least Irish part of nineteenth-century Australia. Proportionately fewer Irish arrived at Port Adelaide than at the other great immigrant ports of the southern continent. They also came later: relatively few Irish participated in the first dozen years of colonisation in South Australia after its inception in 1836. In contrast with other parts of Australia the Irish were slow to reach a tenth and never reached a third of the colonial population. They were not in South Australia ‘a founding people’. They were indeed conspicuously a minority which faced the established and unquestioned primacy of Anglo-Scottish colonisation.South Australia was overwhelmingly English in its origins. From the beginning it was virtually a fragment of southern England, a Home Counties colony expressly designed for superior expatriates. It was also heavily advertised as a haven for Protestant dissenters. The first Catholic priest in South Australia, William Benson, was hardly exaggerating when he described it in 1843 as ‘a little dissenting colony, exclusively Protestant evangelical’. He went further, saying that ‘when this colony was established no Catholic gentlemen of property were allowed to join the founders’ — implying thereby that the planners deliberately discouraged Irish participation. Only when the colonial population reached 14,000, asserted Benson, did ‘our late evangelical governors’ feel confident enough to permit a minority of Catholics reasonable and equal entry. Another Catholic Irishman, Major Thomas O’Halloran, also claimed that the early colonial planners had been anti-Irish, wishing to restrict their numbers to less than 5 per cent of the colonial population. It is little wonder that South Australia seemed, in Irish eyes, the most alien quarter of the new continent.

Effects of plant spacing on yield, size and kernel fill of sweetcorn

1988 ◽  
Vol 28 (6) ◽  
pp. 787 ◽  
Author(s):  
IS Rogers ◽  
GJ Lomman
Keyword(s):  
Zea Mays ◽  
Plant Density ◽  
South Australia ◽  
The Other ◽  
Plant Spacing ◽  
Response Curves ◽  
Quadratic Equations ◽  
Optimum Density ◽  
Gross Margins

The effect of plant density (1.1-20 plants/ m2) on the yield of cobs, weight per cob and per cent kernel fill was determined for 3 types of sweetcorn (Zea mays), viz. sugary, sugary enhanced and shrunken, in 1984-85 and 1985-86 at Oakbank in South Australia. Response curves were fitted by inverse linear, inverse quadratic or quadratic equations. Of the shrunken (super sweet) cultivars Honey Sweet yielded highest, with 30.2 and 28.3 t/ha at densities of 14.0 and 11.2 plants/m2, which was marginally below (P>0.05) the yield of sugary (traditional), Golden Early Improved (31-6 t/ha at 7.5 plants/m2). Maximum mean weights of cobs of Honey Sweet in 1984-85 and 1985-86 were 0.40 and 0.38 kg at densities of 7.1 and 6.6 plants/m2. Most other cultivars produced the largest cob weight at 1.1 plants/m2. Sugar Sweet yielded less than Honey Sweet, but filled a higher percentage of the cob with kernels at all densities. There was 95.1% kernel fill at optimum density of 7.0 plants/m2 for Sugar Sweet compared with 90.6% for Honey Sweet for which the optimum density was not clearly defined. In the other cultivars, kernel fill declined as density increased from 1.1 to 20. Highest gross margins for Honey Sweet were obtained at 8-12 plants/m2 but, above 8 plants/m2, kernel fill and cob size rapidly decreased.

scholarly journals A Stitch in Time? Craftivism, Connection and Community in the Time of COVID-19

2020 ◽  
Vol 18 (3) ◽  
pp. 327-329
Author(s):  
Nikki Sullivan
Keyword(s):  
Domestic Violence ◽  
Public Engagement ◽  
South Australia ◽  
Active Role ◽  
The Other ◽  
Public Events ◽  
Democratic Practice ◽  
Challenges And Opportunities

The Centre of Democracy's mission is to share stories about democracy and democratic practice in South Australia, and to motivate and support individuals and communities to play an active role in changemaking. The second of these aims was central to a public engagement project entitled Stitch & Resist which we began developing in late 2019. In March 2020, just days before we were due to launch the project, COVID-19 hit. CoD, along with the other museums run by the History Trust of South Australia, was closed, all public events were cancelled, and we suddenly started to talk about ‘pivoting’ – what it meant and what it might look like in practice. How, we wondered, could CoD remain relevant and useful during lockdown? How might we facilitate discussions around some of the issues that the pandemic and the measures introduced to ‘flatten the curve’ were bringing to the fore: housing and homelessness, isolation, wellbeing, domestic violence, racism, inequality, to mention but a few? And how might we collect around and document what will undoubtedly prove to be a historically significant moment? Stitch & Resist has become a vehicle through which we have explored and responded to these questions and the challenges and opportunities that COVID-19 has engendered.

Growth and carcase characteristics of Simmental × Friesian and Friesian × Friesian cattle in a Mediterranean environment

1979 ◽  
Vol 19 (101) ◽  
pp. 652 ◽  
Author(s):  
DR Gifford ◽  
PC Stephen
Keyword(s):  
South Australia ◽  
Similar Rate ◽  
The Other ◽  
Mediterranean Environment ◽  
Muscle Area ◽  
Eye Muscle ◽  
Friesian Cattle ◽  
Calving Performance ◽  
Friesian Cows

The calving performance of 152 Friesian cows, located on two properties in the southern Adelaide Hills region of South Australia and mated to Simmental and Friesian sires, is reported. The growth of their steer and heifer progeny and the carcase characteristics of the steer progeny are also reported. Differences due to breed of sire in the incidence of both assisted calvings and calf deaths at birth were not significant on either property. The number of assisted calvings ranged from 1 in 36 calvings for Friesian x Friesian to 3 in 31 calvings for the Simmental x Friesian, both recorded on the same property. The Simmental x Friesian progeny were always significantly heavier at birth than the Friesian progeny. On one property, the Simmental x Friesian and Friesian x Friesian steers grew at a similar rate from weaning at approximately 11 weeks of age until slaughter at approximately 32 months of age, at which stage their carcases did not differ significantly in weight, length, fat cover and eye muscle area. On the other property, the Simmental x Friesian steers grew significantly faster from weaning to slaughter than did the Friesian x Friesian steers. When slaughtered at approximately 34 months of age, the Simmental x Friesian carcases were heavier (P < 0.001 ) and had a larger eye muscle area (P < 0.001 ) than the Friesian x Friesian steers, but there were no significant differences in length or fat cover. The carcases of both breed types were leaner than required by the local Adelaide market and steers would need to be slaughtered at heavier liveweights than those used in this study for acceptable levels of carcase fatness to be achieved.

Developing Multicultural Counselling in an Australian University

2019 ◽  
pp. 168-182
Author(s):  
Carl Vadivella Belle
Keyword(s):  
South Australia ◽  
The Other ◽  
Team Approach ◽  
Fundamental Level ◽  
Problem Resolution ◽  
Community Interest ◽  
Diverse Background ◽  
Multicultural Counselling

Lifetime experiences have equipped the author with a broad and diverse background in approaching counselling and problem resolution. This has ranged from grief counselling to management of rural financial counselling and spiritual counselling. In 2004, the author was appointed Inaugural Hindu Chaplain at the Flinders University of South Australia, a position held until late 2007 (although his counselling role has continued until this day). The chaplaincy to which he was appointed was one of several that collectively comprised a multi-faith chaplaincy involving a team approach. The concept was one in which chaplains of different faiths would respect each other's traditions, would eschew proselytization, and would work cooperatively to mount joint educational and community interest projects. However, at the more fundamental level, his role consisted of providing chaplaincy services to Hindu students and staff studying or employed at Flinders University. (Increasingly this role extended to members of the other two universities based in Adelaide, neither of which possessed a Hindu chaplain.)

Factors that influence trap success of sandhill dunnarts (Sminthopsis psammophila) and other small mammals in Triodia dunefields of South Australia

2015 ◽  
Vol 37 (2) ◽  
pp. 212 ◽  
Author(s):  
John L. Read ◽  
Matthew J. Ward ◽  
Katherine E. Moseby
Keyword(s):  
Threatened Species ◽  
South Australia ◽  
The Other ◽  
Pitfall Traps ◽  
The Moon ◽  
Mammal Species ◽  
Detection Rates ◽  
Study Region ◽  
Moon Phases ◽  
Capture Rates

Optimised detection and sensitivity of fauna-monitoring programs is essential for the adaptive management of threatened species. We describe the influence of trap type, trapping duration and timing on the detection rates of small vertebrates, in particular the nationally endangered sandhill dunnart (Sminthopsis psammophila) in its two primary populations in South Australia. A total of 118 and 155 sandhill dunnarts were captured from the Middleback and Yellabinna regions, respectively, from five trapping sessions between 2008 and 2012. Wide deep pitfall traps (225 mm diameter × 600–700 mm deep) captured significantly more adult sandhill dunnarts than shorter, narrower pitfalls (150 mm diameter × 500 mm deep) or Elliott traps. Deep pitfall traps also captured significantly more hopping mice (Notomys mitchellii) but smaller mammal species were equally trapable in deep or short pitfall traps. Capture rates declined through successive nights of trapping. Capture rates of sandhill dunnarts were greatest in one study region when the moon illumination was less than 40% compared with fuller moon phases but were not affected by moon illumination in the other study region. The results suggest that higher capture rates of sandhill dunnarts will be achieved when using wide, deep pitfall traps on dark nights during the first two nights of trapping. Trapping in summer detected more juvenile sandhill dunnarts than trapping in winter.

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