Ongoing research

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Orchard Designs

Almond > Orchard Management > Design Square | Hedgerow | Quincunx | Hexagonal Square Orchard Top of Page Hedgerow Top of Page Quincunx Top of Page Hexagonal Top of Page...
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Pistachio Bloom Cast

Pistachio Bloom Cast | Model Development (model in beta testing) Projected bloom dates are modeled using chill and heat accumulation collected from hourly temperatures downloaded nightly for more than 100 CIMIS weather stations.
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Almond Hull-Split Prediction Model

About Hull-Split Prediction | Model Development | GO TO THE MODEL | References Theodore DeJong, Department of Plant Sciences, University of California, Davis A timely harvest is essential for maintaining almond nut quality.
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References

About Hull-Split Prediction | Model Development | GO TO THE MODEL | References Ben Mimoun M and DeJong TM, 1999 Using the Relation between Growing Degree Hours and Harvest Date to Estimate Run-times for PEACH: a Tree Growth and Yield Simulation Model. Acta Hort. 499:107-114. (pdf) Connell, et al.
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Calculators

Cumulative Chilling Hours: Cumulative Chill Hours and Modified Chill Hours Hours below 45 F Hours between 32 F and 45 F November 1 through February 28/29.
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Hull Split Calculator

About Hull-Split Prediction | Model Development | GO TO THE MODEL | References You must wait until 90 days after bloom for this calculator to work.
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Pistachio Day 2012 Presentations

2012 Annual Statewide Pistachio Day Visalia Convention Center Wednesday, January 18, 2012 Power Point Presentations (pdf) Pesticides, Food Safety, GAPs, Sustainability, and the California Pistachio Industry Bob Klein, Manager, California Pistachio Research Board Navel Orangeworm Management in 2011 v...
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Pest, Disease and Weed Control

Growing Pistachios in California: Climate & Cultivars | Orchard Management | Pruning & Training | Nutrients & Fertilization | Pest, Disease and Weed Control | Harvesting | 2012 PISTACHIO DAY PRESENTATIONS (PDFs of PowerPoints) Navel Orangeworm Management in 2011 vs 2010: Factors Affection Successful...
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Harvesting

Growing Pistachios in California: Climate & Cultivars | Orchard Management | Pruning & Training | Nutrients & Fertilization | Pest, Disease and Weed Control | Harvesting | 2012 PISTACHIO DAY PRESENTATION (PDF of PowerPoint) Getting a Better Shake: Harvesting Pistachio Trees in the Future Louise Ferg...
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