1、Brassinosteroids Application Responses in Fruit Crops

Research findings on influences of exogenous BRs application on various aspects of growth and development like vegetative growth, flowering, fruit set, fruit growth, ripening, storage, and...

2、Brassinosteroids (BRs) Role in Plant Development and Coping with

Brassinosteroids (BRs) are an important group of plant hormones involved in regulating plant growth and development, and they help plants to adapt to the environment [7].

3、Practical applications of brassinosteroids in horticulture—Some field

However, more accurate studies on dosage, mode and time of application, fit brassinosteroid suitability for the plant or cultivar, and association with other phytohormones are needed.

(PDF) Scientific Study of Brassinosteroids on Production of Fruit Crops

Previous study confirmed that exogenous brassinosteroid treatments increased growth and endogenous brassinosteroid, auxin, as well as gibberellin levels of apple nursery trees.

What to Spray Pear Trees With for Optimal Health and Fruit Production

Discover essential tips for spraying pear trees to combat pests and diseases effectively. This comprehensive guide covers common threats like pear psylla and fire blight, symptoms to watch for, and organic versus chemical treatment options.

Backyard Fruit Tree Spray Schedules

The list of PDFs below shows the suggested spray schedules for each tree crop. For more information about growing backyard fruit trees, contact your local WSU Master Gardener Program by clicking on your county on the map found here: WSU Extension Master Gardener Program.

Optimal Timing for Spraying Brassinosteroids on Crops

Spraying during the flowering period aids bud formation and development, leading to better-quality fruits. Pre-Harvest Spraying: Applying brassinosteroids before harvest accelerates fruit ripening and enhances quality.

Influence of pre

The present study consists of seventeen year old pear (Pyrus pyrifolia (Burm.) Nakai) trees subjected to seven treatments viz., GA3 (50 ppm,100 ppm), BR (0.5 ppm, 1.0 ppm), and GA3 + BR (50 ppm + 0.5 ppm and 100 ppm + 1 ppm) and water as control, sprayed thrice at 15 days intervals starting from petal fall stage.

SPRAY SCHEDULE FOR PEARS

Apply pesticide sprays only at the proper time of tree, bud, or pest development. Sprays applied at the wrong time are also ineffective. And always read and follow label directions of the product you use!

Brassinosteroids: The Promising Plant Growth Regulators in

However, more accurate studies on dosage, mode and time of application, fit brassinosteroid suitability for the plant or cultivar, and association with other phytohormones are needed. BS increase crop yield and show anti-stress effects on several plants at very low doses.

Brassinosteroid spraying on pear trees is a common agricultural practice primarily used to control pests and diseases. Brassinosteroids are novel plant growth regulators that promote plant development, increase yields, and improve fruit quality. In pear cultivation, rational use of brassinosteroids can effectively suppress pest and disease outbreaks while enhancing both productivity and fruit quality. Below is a detailed guide on methods, dosages, and precautions for brassinosteroid spraying on pear trees.

I. Methods for Brassinosteroid Spraying on Pear Trees

1. Timing: The optimal periods for spraying are during the pear tree’s growing season, specifically around budbreak in spring and before fruit maturation in autumn. These critical growth stages allow brassinosteroids to maximize pest and disease control.

2. Target Areas:

   • Leaves: As the primary sites of photosynthesis, spraying leaves enhances photosynthetic efficiency, boosts nutritional status, and strengthens disease resistance.
   • Fruits: Spraying fruits directly promotes their growth and development, improving size, color, and taste.

3. Concentration and Dosage:

   • Concentration: A diluted solution of 0.1%–0.2% is typical, adjusted based on growth stages and pest/disease severity.
   • Dosage: Higher volumes are applied to leaves, while smaller doses target fruits. Adjust according to tree size and infection levels.

4. Application Methods:

   • Spraying: Dilute brassinosteroids and apply with a sprayer for large orchards.
   • Immersion: Soak roots or stems in diluted solutions for smaller areas.

II. Dosage and Precautions

1. Dosage Adjustment: Tailor dosage to tree size, pest severity, and target areas. Leaf applications require more solution than fruit-focused sprays.

2. Application Methods:

   • Spraying: Suitable for large-scale orchards.
   • Immersion: Preferred for small-scale or targeted treatments.

3. Key Precautions:

   • Avoid Overuse: Excessive dosages may accelerate growth at the cost of fruit quality.
   • Weather Conditions: Apply on calm, sunny days to prevent rain or dew from reducing efficacy.
   • Safety Measures: Wear protective gear (gloves, masks, clothing) and restrict access to children/pets.
   • Monitor Results: Observe tree health and pest/disease progression post-application, adjusting strategies as needed.

III. Efficacy and Evaluation

1. Effectiveness Indicators:

   • Improved leaf color, size, and gloss.
   • Larger, higher-quality fruit.
   • Enhanced resistance to pests and diseases.

2. Evaluation Criteria:

   • Growth Metrics: Speed, biomass, chlorophyll content.
   • Pest/Disease Control: Incidence, severity, duration.
   • Fruit Quality: Size, color, flavor.

3. Continuous Improvement: Optimize spraying frequency, concentration, or targeting based on observed results. Maintain records of pest/disease patterns to refine application practices.

This translation maintains technical accuracy while ensuring clarity for agricultural or academic audiences. Let me know if further refinements are needed!