Growth Regulators in Orchard Management
University of California
Growth Regulators in Orchard Management

2003

Annual Reports 2003

Annual Reports 2003 Annual Report of NC-140 Sweet Cherry Rootstock
Summary of evaluation of 16 cherry rootstocks, planted in 1998 at Wolfskill Experimental Orchard, UC Davis. Submitted to the California Cherry Advisory Board for 2003.
Annual Reports 2003 Calculating Chill Hours Based Upon the Dynamic Model for Use in Determining When to Apply Rest-breaking Agents in California Sweet Cherry Production
Evaluation of rest-breaking treatments of Dormex and CAN17 based upon the amount of chilling, using several models including the Dynamic Model (Fishman et al., 1987). Submitted to the California Cherry Advisory Board for 2003.
Annual Reports 2003 Control of Shoot Growth in 'French' Prune by Apogee
Applications of this shoot growth inhibitor did reduce shoot grown, however the product will likely not be labelled for this crop in California. Submitted to the Dried Plum Advisory Board of California for 2003.
Annual Reports 2003 Effects of Messenger on 'Bartlett' Pear Fruit Size and Cropping
Evaluation of effect of applications on fruit quality and yield in a commercial orchard in Yolo County. Submitted to the California Pear Advisory Board for 2003.
Annual Reports 2003 Effects of Messenger on 'Bing' Sweet Cherry Fruit Size and Cropping
Evaluation of Messenger, a chemical with plant growth regulating activities, in a commercial orchard in San Joaquin County. Submitted to the California Cherry Advisory Board for 2003.
Annual Reports 2003 Evaluation of Mahaleb Rootstock Selections, 2003
Field evaluation of several Mahaleb rootstock clones under Phytophthora pressure, for horticultural characteristics. The rootstocks were planted in 1995, 1996 and 1998, and budded with 'Bing' cherry. Submitted to the California Cherry Advisory Board for 2003.
Annual Reports 2003 Labor/Cost Saving Technologies: Refining Chemical Thinning Procedures for Cling Peach in 2003; Testing Mechanical Thinning
Test of candidates for chemical peach thinning: fish oils, soybean oils and organics, and others; a machine-thinning trial was conducted in a commercial orchard. Submitted to the California Cling Peach Board for 2003.
Annual Reports 2003 Reduction of Stem Loss in 'Bing' Sweet Cherry, 2003
Preliminary trials evaluating plant growth regulators: ReTain and CPPU and calcium sprays on stem retention in two orchards. Submitted to the California Cherry Advisory Board for 2003.
Annual Reports 2003 Shoot Growth and Secondary Bloom Inhibition for Fire Blight Control in 'Bartlett' Pear
Single and multiple applications of Apogee, a growth retardant, significantly reduced shoot growth, thus potentially reducing fireblight infection. Submitted to the California Pear Advisory Board for 2003.
Annual Reports 2003 Use of Preharvest Gibberellin and ReTain Sprays to Improve Fruit Firmness of 'Andross' and 'Ross' Cling Peach
Trials in two Yuba County orchards to assess impact of Gibberellin and ReTain Sprayson fruit firmness, harvest date, and return bloom. Submitted to the California Cling Peach Board for 2003.
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