Merry Christmas and a Happy New Year to all PGA Members

2020 was indeed a difficult year with the pandemic figuring prominently – tempered by a generally good harvest and a thriving industry.  However, I’m sure many of us will be pleased to see the end of 2020!  To that end from PGA and the Committee, may you all have a Very Merry Christmas and a […]

Minimising drip system drainage

Drip irrigation has become the standard irrigation system adopted for irrigated horticulture. Most irrigators are generally operating at a high level of efficiency.  Recent observations have highlighted that drip irrigators can achieve even greater efficiencies by addressing system drainage (often referred to as ‘drain-out’).  Reducing the level of system drainage will result in a more […]

Latest 2020 Chill Newsletters, Issue 3 and 4

The last two chill newsletters are available for download.  Most growing areas have already achieved, as of the 13th August 2020, the recommended 59 Dynamic Chill units for this season. All the Chill newsletters and further information on Chill Requirements can be found in the (password protected) Member’s section Chilling Requirements

July 2020 Chill Newsletter

Winter chill so far has been above average. Most areas are likely to achieve the chill found by research to be sufficient.  More information and the regional chill accumulation graphs can be found in the newsletter More information on Chill Requirements can be found in the (password protected) Member’s section Chilling Requirements

New – Oil Trial on Young Trees at Waikerie

Paul undertook a trial on his property in August of 2019 to help decide whether to use Summer or Winter oil on his young Pistachio trees in the dormant stage using oil applications between 1% and 3%.

Winter Pruning of Pistachio Trees

The videos can be found in the (password protected) Production Puzzle Page, or alternatively the direct link to the Pruning section. Contact Trevor or Craig if you have forgotten your password

Pistachio Chill Requirements 2020 – Newsletter Number 1 out now

Please find linked below the PGA Chill Newsletter No 1 – 28th June 2020.  The results so far are promising with Chill hours above average in all sites. The next Newsletter will be available at the end of July 2020. Alternatively, you can look at the Chiling Requirements page on the PGA website.

California Pistachio Task List July 2020

Bob Bede’s latest paper on the state-of-play in the Californian Pistachio Industry. This year’s crop is estimates range from 750 to around 950 million pounds. Like 2018, this year’s cool spring suggests harvest is going to be later than “normal”, since early season photosynthesis and carbon fixation is not optimized under cool temperatures.