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CitrusConnect March 2020

Connecting the citrus industry with citrus research, development and technology

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Orchard practices

flowering citrus shoot

For the current crop stage/phenology

Growing and maturing fruit will weigh branches down. Ensure trees are properly skirted and weeds are managed.

Pest and disease watch

Citrus Kellys thripsFuller's Rose Weevil

Fuller’s Rose Weevil enters trees via branches that contact the ground and weeds that bridge into the canopy. Trunks treated with registered insecticides prevent entry via the trunk. Fuller’s Rose Weevil is an export pest of concern for some international export markets. Read more... 

Citrus Kellys thripsSeptoria Spot

In southern regions, Autumn is the best time to apply a copper spray to prevent fungal diseases such as Septoria spot. Read more...
 

Head photo of Dr Dave Monks

HLB update

NSW DPI Citrus Pathology team representatives attended the HLB Conference in Riverside, California. Texas has had increased detection of the psyllid, and the US has spent $400 million USD on research, Brazil has lost an estimated 52 million citrus trees and A province in China has lost over 50 million trees. Read more…

Events

2020 Citrus Market Outlook Forum, 3-4 March

The bi-annual Citrus Australia Citrus Market Outlook Forum will be held in Melbourne, 3rd and 4th March 2020, with more than 150 representatives from the growing, packing and marketing sectors of the citrus industry expected to attend. More information from the Citrus Australia website 

Research update

A Chinese lady eating an orange

Deficit irrigation to enhance navel sweetness

NSW DPI is leading a Horticulture Innovation funded research project on regulated deficit irrigation (RDI) to enhance the sweetness of navels. Enhancing sweetness will help make Australian fruit more competitive on the Asian market. Two years of research is showing promising results. Read more...
 

A Chinese lady eating an orange

New early navel oranges

Several new, early Navelina orange sports with maturity four to six weeks earlier than standard Washington navel have been evaluated in Australia. To find out more about the maturity results, rootstock compatibilities and grower feedback on varieties such as Navelina, M7, FJ Navel and Rayno, read more…

Industry development

A smooth navel orange

Plant breeder’s rights

Most new citrus varieties have variety managers to deal with the legal rights of each variety. This article explains plant breeder’s rights (PBR) and private varieties and included a contact list for new varieties. Read more…

Postharvest activities

An agar plate with fungus growing

Assessing resistance to postharvest fungicides

With Dr John Golding’s leadership, NSW DPI will continue the Australian Citrus Postharvest Science Program (CT15010) to develop best practices for managing current fungicides and sanitisers that control decay. Over the past three years, the project team visited most packing sheds throughout Australia to conduct resistance tests for thiabendazole, imazalil and fludioxonil fungicides. Read the survey results…
An agar plate with fungus growing

Spanish researcher working with NSW DPI to improve fruit quality

Professor Lluís Palou is a leading postharvest researcher and he is working with the NSW DPI postharvest team to improve fruit quality. Read more…

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We are always thrilled to welcome new readers. Some readers are passing on CitrusConnect to their own contact lists. For those of you receiving CitrusConnect for the first time, please take the time to subscribe to ensure you continue to receive this valuable resource, particularly during the growing and harvesting seasons.
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