Sunflower trials

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Trial Contributor
Funding sources		 Year Trial site
ALTERNATIVE IRRIGATED SUMMER CROPS

The project aimed to identify the potential for alternative summer crops in increasing the $return/ML water. It looked at demonstrating summer pulses (suitable for human consumption), summer grain crops (suitable for livestock consumption) and also various grazing fodder species. 

 		MacKillop Farm Management Group
2014 Naracoorte SA
Research organisaton
Contribution of leaves to the yield of sunflowers - Gurley

To quantify the contribution of different sunflower leaves to yield and oil quality through applying 12 leaf defoliation treatments.

 		Department of Primary Industries NSW
DPI NSW GRDC 		2015 Gurley NSW
Research organisaton
Contribution of leaves to the yield of sunflowers - Pine Ridge

To quantify the contribution of sunflower leaves to yield and oil quality through the application of twelve leaf defoliation treatments.

Sunflowers are generally considered a minor crop in the NSW northern grains region. However, they play an important role in providing a broadleaf summer crop rotation option. An individual sunflower plant produces on average between 2000–6,000 cm2 of leaf area, which drives yield and oil content. Identifying which leaves contribute most towards yield and oil content helps growers make decisions about disease, pest and general crop management in sunflower crops. Whether it is because the crop is infected with a disease such as powdery mildew or has insect damage e.g. loopers, the end result is a need for growers and advisors to know where and when to spend money in crop protection to achieve the best economic return on investment of maintaining
green leaf area.
This experiment was one of three sunflower leaf-loss sites conducted in the 2015–16 season, with the other sites being located at Gurley and Willow Tree.

 		Department of Primary Industries NSW
DPI NSW GRDC 		2015 Pine Ridge NSW
Research organisaton
Contribution of leaves to the yield of sunflowers - Willow Tree

To quantify the contribution of different sunflower leaves to yield and oil quality by applying 12 leaf defoliation treatments.

Sunflowers are generally considered a minor crop in the northern grains region. However, they play an important role in providing a broadleaf summer crop rotation option. An individual sunflower plant produces on average 2000–6,000 cm2 of leaf area, which drives yield and oil content.

Identifying which leaves contribute most towards yield and oil content helps inform decisions around disease, pest and general crop management in sunflower crops. Whether it is because the crop is infected with a disease such as powdery mildew, or has insect damage e.g. loopers, the end result is a need for growers and advisors to know where and when to spend money in crop protection to achieve the best economic return on investment through maintaining green leaf area.

 		Department of Primary Industries NSW
DPI NSW GRDC 		2016 Willow Tree NSW
Research organisaton
Economic performance and system water-use-efficiency of farming systems

Can systems performance be improved by modifying farming systems in the northern grains region?

What is the impact on system WUE ($ gross margin return per mm of system water use)?

 		Queensland Department of Agriculture and Fisheries
2018 Narrabri NSW
Research organisaton
Impact of crop species and crop sequencing on nematode, crown rot and common root rot inoculum loads—Northern Region

Can systems performance be improved by modifying farming systems in the northern grains region? Specifically, what impact do crop species and crop sequences have on soil- and stubble-borne pathogens?

 		Queensland Department of Agriculture and Fisheries
2018 Narrabri NSW
Research organisaton
Impact of Pratylenchus thornei on Sunflowers - Macalister

To determine the resistance and tolerance of sunflower hybrids to Pratylenchus thornei.

 		Northern Grower Alliance
GRDC 		2015 Macalister QLD
Research organisaton
Manganese tolerance of two crops

To report on glasshouse and laboratory analysis of the distribution of manganese in the leaves of sunflower and lupin.

 		South Australian Research and Development Institute
1988 Auchmore VIC
Research organisaton
Polymers

To demonstrate if summer crops and wheat can be grown successfully when sown in winter and covered in biodegradable polymer films.

 		Birchip Cropping Group
2008 Curyo VIC
Research organisaton
Summer Cropping Demonstrations in the Western Region

This GRDC investment aims to look at the impact of summer cropping on waterlogged winter soils and the resultant impact on crop growth and yield in the next winter growing season. Stirlings to Coast Farmers member Steve Lynch has been growing summer crops for the sole purpose of drying his soil profile in the summer to reduce the risk of waterlogging in the winter-time. Without livestock to benefit from the summer feed, Steve still believes the reduced risk of water-logging is a tangible benefit to his winter crop yields as well as providing diversity into the cropping system. Simon Harding’s (Williams demonstration host) intentions with the summer crop was to reduce his waterlogged areas within his farming practice. The area chosen suffers severe winter waterlogging that impacts on winter crop production and profitability.

 		Southern DIRT
2019 Mt Barker WA
Research organisaton
Sunflower configuration × population × hybrid – Gurley 2015–16

Optimising sunflower performance relies on being able to match a hybrid with the growing environment and ensuring that the most suitable agronomic management is provided. Suitable crop agronomy involves using the most appropriate row configuration and plant population as well as ensuring adequate nutrition, disease and insect management. This experiment and others conducted in this series were designed to provide recommendations for growers and advisors to support decisions on optimal row configuration, plant population and hybrids for sunflower production in the north-western and Liverpool Plains regions of NSW. These two environments are the primary sunflower growing regions in northern NSW.

 		Department of Primary Industries NSW
DPI NSW GRDC 		2015 Gurley NSW
Research organisaton
Sunflower contribution of leaves to grain yield and quality - Pine Ridge 2014-15

To quantify the contribution of sunflower leaves to yield and oil quality by applying nine leaf defoliation treatments. 

 		Department of Primary Industries NSW
DPI NSW GRDC 		2014 Pine Ridge NSW
Research organisaton
Sunflower Impact on Pratylenchus thornei - Clifton

To assess the impact of sunflower hybrids on Pratylenchus thornei build-up.

 		Northern Grower Alliance
GRDC 		2014 Clifton QLD
Research organisaton
Sunflower Impact on Pratylenchus thornei - Clifton

To assess the impact on Pratylenchus thornei multiplication from a range of sunflower varieties.

 		Northern Grower Alliance
GRDC 		2013 Clifton QLD
Research organisaton
Sunflower Impact on Pratylenchus thornei - Felton

To assess the impact of sunflower hybrids on Pratylenchus thornei build-up.

 		Northern Grower Alliance
GRDC 		2014 Felton QLD
Research organisaton
Sunflower Impact on Pratylenchus thornei - Spring Ridge

To assess the impact on Pratylenchus thornei multiplication from a range of sunflower varieties.

 		Northern Grower Alliance
GRDC 		2013 Spring Ridge NSW
Research organisaton
Sunflower row configuration x population x hybrid - Pine Ridge 2014-15

 To compare grain yield and oil responses with variations in row configurations, plant population and hybrid selection. 

 		Department of Primary Industries NSW
DPI NSW GRDC 		2014 Pine Ridge NSW
Research organisaton
The occurrence and diagnosis of manganese toxicities and deficiencies in crops and pastures in NSW, International Symposium on Manganese in Soils and Plants

A short review of manganese in NSW Agriculture.

 		South Australian Research and Development Institute
1988 University of Adelaide SA
Research organisaton
Tolerance of some winter and summer crops to copper deficiency

To screen winter and for summer crops for the tolerance of copper deficiency in glasshouse trials.

 		South Australian Research and Development Institute
1981 Toowoomba QLD
Research organisaton
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