Merced County Cooperative Extension
Merced County Cooperative Extension
Merced County Cooperative Extension
University of California
Merced County Cooperative Extension

Tree and Vine Newsletter

Issues Articles Type Date Added
Spring 2020 (8,021KB)

In this issue:

-Research Update: Post-Plant Nematicides in Almonds

-The Healthy Soils Program and Your Orchard

Thinking about improving your soils next year? The Healthy Soils Program give grants up to $100,000 to California farmers and ranchers to incorporate conservation agriculture techniques that improve your soil health and sequester carbon.

-Healthy Soils Workshop Dates

 

 

PDF 1/21/20
Spring 2018 (527KB)

Stink Bugs and Lygus Bugs

PDF 3/9/18
May 2017 (711KB)

In this issue:

Walnut Pruning Trial Field Day

PDF 5/5/17
February 2017 (305KB)

In this issue:

47th Quad-County Walnut Institute

 

PDF 2/14/17
January 2017 (663KB)

In this issue:

Meeting notice: 2017 North San Joaquin Valley Almond Day

PDF 1/24/17
September 2011 (544KB)

- Dealing with rain during almond harvest

- The Importance of Post Harvest Irrigation in Almond

- Hull Sampling at Harvest to Determine Boron Deficiency

- Interpreting a Water Analysis for Orchards or Vineyards

- Vineyard Pest Identification and Monitoring Cards

PDF 9/20/11
June 2011 (316KB)
  • Central San Joaquin Valley Summer Nut Grower’s Meeting
  • NEW PEST THREAT IN ORCHARDS – BROWN MARMORATED STINK BUG
  • Early Season Fruit Drop in Figs
  • Using Urea Efficiently
  • Almond Potassium Fertilization: Where did My Potassium Go?
PDF 6/2/11
Regional Prune Newsletter- Special Electronic Only Edition (57KB)

- Encouraging Prune Size and Quality

- Frost Protection

- Maximizing grower profit in tough times

- Sutter/Yuba Prune Day

PDF 2/17/11
Tree and Vine Supplemental - 41st Annual Quad-County Walnut Institute (108KB)
  • University of California Cooperative Extension
  • 41st Annual Quad-County Walnut Institute
  • Thursday, February 17, 2011
  • 8:00 a.m. - 1 2:00 p.m.
  • Harvest Hall, Stanislaus County Ag Center

Click on the link below for a flier with further info (.pdf format)

PDF 2/4/11
January 2011 (311KB)
  • Mechanical Blossom Thinning in Peaches
  • Peach Board Updates Web Site
  • Controlling Glyphosate-Resistant Weeds in Orchards with Rely
  • Potassium Nutrition in Vineyards
  • Proper Almond Tree Planting
PDF 1/12/11
October 2010 (1,398KB)
  • Management of almond rust and scab
  • Post Harvest Pruning of Mature Orchards
  • Prune out Cytospora cankers to reduce disease
  • Fall Spray for Prune Aphid Management
  • Using high oil rate before bloom: Why do it?
  • Interpreting a Soil Analysis for Orchards and Vineyards
PDF 10/25/10
August 2010 (169KB)
  • Preparing for Harvest
  • Hull Sampling at Harvest to Determine Boron Deficiency
  • Replanting Almonds? Interested in free fumigant?
  • Managing European Grapevine Moth in San Joaquin Valley Vineyards
  • Good Agricultural Practices Reduce Microbial Contamination
  • Farmers should make a skin check a priority
PDF 8/26/10
May 2010 - 2010 Spotted Wing Drosophila Recommendations for Sweet Cherry - Identifying Orchard Ants - Managing Problematic Ants in the Orchard PDF  
January 2010 - 2010 North San Joaquin Valley Almond Day - Spring Time Bloom and Pest Management Update - Use of Preemergent Herbicides in Orchards - 40th Annual Tri-County Walnut Institute - PRUNE ORCHARD MANAGEMENT PRACTICES TO CONSIDER IN THE FALL AND DORMANT SEASONS - PREBLOOM APHID MANAGEMENT - Drought Web Site - New Cost Studies – Stonefruit and Oranges - Varietal Wine Grape Production Short Course PDF  
November 2009 -Now is Not the Time to Prune Grapes, Apricots and Cherries -Evaluation of Movento™ (spirotetramat) for efficacy against nematodes infesting perennial crops -Potassium Applications for Almond Orchards -Almond Tree Blow Over Problems -Why the Glassy-winged Sharpshooter Isn’t Everywhere in California -Tree and Vine Notes Newsletter Renewal PDF  
September 2009 -Inspecting the Orchard During the Post-Harvest Period for Damage -Spotted Wing Drosophila (SWD) -On-line Courses in Viticulture and Enology -Budget Cuts at Cooperative Extension -Web Site for Free Publications Launched -An assessment of multiple approaches for controlling gophers in vineyards. -Tree and Vine Notes Newsletter Renewal -Almond Pest Management Course PDF  
July 2009 -Disease Digest: Lower Limb Dieback of Almond -July Leaf Sampling: Sampling Today for 2010’s Fertilizer Budget -Managing Grapevine Canker Diseases -Drosophila suzukii or Spotted Wing Drosophila (SWD) PDF  
May 2009 - Cytospora Management - Precise and Accurate Herbicide Applications - Not-infectious Bud Failure Effects and Management - Pacific Spider Mite Control at Hull Split in Almonds PDF  
March 2009 -Principles of irrigation efficiency for perennial crops -Irrigation Management of Almond Trees with a Limited Water Supply -Developing a Deficit Irrigation Strategy -Severe Drought Management Recommendations for Almond -Regional Peach IPM Project -Frost Preparation & Winter Injury -Oil Burn in Prunes PDF  
January 2009 -USDA Environmental Quality Incentives Program -Notes on Degree Day Calculations -Dormant Spray Option for Peaches -Disease Digest: Phytopthora Root and Crown Rot -Plant New Trees High -Irrigating Trees PDF  
November 2008 -PRUNING TIMES -ORGANIC WEED AND NITROGEN MANAGEMENT FOR TREE FRUITS -FARMING PRUNES ON THE SKINNY IN 2009 -FALL ORCHARD ACTIVITIES IN ALMONDS -ESTIMATING NITROGEN USAGE FOR 2009 ALMOND CROP YEAR -TAKING INTO ACCOUNT GROUND-WATER NITRATE CONTAMINATION IN NEXT YEAR’S NITROGEN BUDGET PDF  
October 2008 -CHALLENGES AND OPPORTUNITIES FOR ORCHARD REPLANT MANAGEMENT -BIOLOGY AND MANAGEMENT OF ALMOND AND STONE FRUIT REPLANT DISEASE -Fumigant movement and fate as affected by various conditions in several soils -ORCHARD WEED NOTES PDF  
September 2008 -Disease Digest: Ceratocystis Canker of Almond. -Post-harvest irrigation is important in the next year’s almond crop -Pruning and Eutypa Dieback Disease PDF  
June 2008 -Field Demonstrations:Using the Pressure Chamber to Manage Irrigation & Diagnose Problems -2008 Almond Irrigation & Hull Rot Field Meeting -Report Crop Damage Promptly -Using Sunflowers in the control of Oriental Fruit Moth in Peaches -Disease Digest: Verticillium Wilt of Pistachio and Almond PDF  
May 2008 -Hard Times Ahead? -Frost Damage -Powdery Mildew -Disease Notes: Non-Infectious Bud Failure -Cling Peach Harvest Prediction -Fertilization of Young Almond Trees -The Importance of Good Agricultural Practices and Manure Application PDF  
March 2008 -We welcome our new nut crops Farm Advisor David Doll -March 2008 Task List for Pistachios -RESISTANCE MANAGEMENT IS ESSENTIAL TO LONG TERM DISEASE CONTROL -WHAT TO DO IF IT’S HOT AT BLOOM – 2008 PDF  
January 2008 -2008 ANNUAL STATEWIDE PISTACHIO DAY -2008 North San Joaquin Valley Almond Day -2008 Regional Almond Meeting -Zinc Applied to Vineyards by Drip Fertigation is Effective and Feasible -Use of Dormant Oil in Pistachio PDF  
December 2007 -Reduced hazard dormant spray options -Phytophthora and Phosphonates -Prune Aphids: Life Cycles and Over Wintering Biology -Monitoring Soil Moisture for Irrigation Water Management -Almond;Dormant Spur Sampling and Treatment Guidelines PDF  
October 2007 -Orchard replant considerations -Fall Zinc and/or Urea Sprays PDF  
August 2007 -Drought tips -Tools for efficient irrigation PDF  
May 2007 -Early to mid season irrigation; dried plums -Microirrigation system maintenance -Diagnosing spots in apricots -Light brown apple moth -New UC fig varieties -NRCS EQIP Grants -Union Mild Etch in almonds - PDF  
January 2007 -Frost Protection References -Peach Leaf Curl -Chilling Hours -Phytophtheora and Phosphonates -Pistachio Task List - PDF  
November 2006 -Fall and winter sisease control -Peach Leaf Curl -Microirrigation PDF  
June 2006 -Leaffooted Bugs in Almonds -Prune Fruit Cracking -Lower Branch Death -Water Logging & Phytophthora -Peach Crop/Predicting Harvest Timing PDF  
January 2006 -Chill Hours -Dormant Sprays -2005 Tree and Vine Herbicide Registration Tables -2005 Susceptibility of weeds to herbicides PDF  
December 2005 -Spreading Prune Bloom -Pruning Mature Dried Plums -Fall Nutrition in Almonds and Stone Fruit -Fall Urea sprays PDF  
September 2005 -2005 Pistachio Task List -Lower limb death in almonds -Verticillium Wilt -Hull Rot PDF  
July 2005 -Nutrition note -Well water quality -Gili Mealy bug -Walnut tasks -Walnut Husk fly PDF  
May 2005 -Red Imported FireAnt- Madera County -Winegrape cost study -Codling moth - apples and walnuts -Peach twig borer- apricots PDF  
April 2005 -Temperature, thinning and fruit size in peaches -Walnut blight update -Phomopsis PDF  
January 2005 -NSJV Almond Day -Walnut Issues -Navel Orangeworm -Winter Walnut Tips -Dormant Spray - Peaches -New responsibilities for Maxwell Norton PDF  
December 2004 -Cling Peach Seminar -Light management in orchards -Plant nutrition; shoot sampling -List of almond publications PDF  
November 2004 -2nd generation.....Almond Replant Disease -Foliar sprays can reduce Perennial Phytophtora Canker -Farm water quality planning series -Calculating the value of damaged tree or vine -Olive Fruit Fly PDF  
March 2004 Fog spot and powdery mildew in apricots; Chill hours and bloom; Prune orchard checklist; Perches for hawks; Bud break in grapes PDF  
January 2004 Ground squirrel control; New dried plum selection;Bat houses; New rootstock PDF  
November 2003 Shredding almond prunings; Pistachio pest management; Fruit tree height; DOV raisins on traditional trellis PDF  
October 2003 Predicting lacy scab; Eutypa dieback; Pruning almonds post-harvest PDF  
July 2003 Brown spots on peaches; Downey mildew in grapes; Eradicate wild figs PDF  
April 2003 Fog spot in apricot; Gophers in orchards; Hail damage; Vine mealybug in Stanislaus County PDF  
January 2003 Spring control of almond diseases; Fig industry in Merced County PDF  
December 2002 Salinity problems increasing in Merced County; Survival of nursery trees PDF  
September 2002 Post-harvest drop in cling peaches; Controlling prune aphids with zinc; Vine mealybug in Sacramento County PDF  
July 2002 Trees dying in early summer; Almond leaf scorch in Madera County; Pistachio pests; Walnut notes PDF  
May/June 2002 Potassium deficiency; Bunch rot management; Bud failure in Carmel; Effect of surround on Carmel bloom; Hull rot in almonds PDF  
February 2002 Spring almond disease control; Peach powdery mildew; Boron in almond bloom sprays PDF  
January 2002 Reducing costs in almonds; Mechanical pruning of winegrapes PDF  
December 2001 Navel orangeworm in pistachio and almond; Bud failure in Carmel and Nonpareil; Winter kill in walnuts; Guide for share leases PDF  
October 2001 Salt burn in orchards; Post-harvest nitrogen in grapes; Winter almond orchard tasks; Lace bug in almonds; Obliquebanded leafroller in almonds; Fuller rose beetle in orchards PDF  
August 2001 Fall fertilization of peaches Pierce's disease in Tulare County Prune almonds soon after harvest PDF  
July 2001 Katydid in stone fruit; Almond nut drop PDF  
April 2001 Almond bud failure; Almond leaf scorch; Almond rust disease; Frost in grapes; Avoiding problems with sulfur dust PDF  
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