1、Effects of foliar fertilizer additives on grape fruit quality and

Different foliar fertilizer adjuvants can improve the quality of fresh grapes, and each treatment significantly increased the content of soluble solids in the fruit.

2、Foliar Fertilization of Grapevines: What We Know & Don’t Know

In conclusion, foliar feeding of plant nutrients has its place in vineyard management, and certain foliar nutrients are effective in improving nutritional health of grapevines.

3、Foliar Fertilization of Grapevines

In summary, foliar nutrient sprays can be quite effective in correcting deficiencies of micronutrients. It is best to first determine which element is marginal or deficient and to apply only that element in inorganic form.

4、5 Best Fertilizer For Grapes

While grapes don’t rely on supplemental feedings to survive, the fertilizer you choose can play a big role in the health of your garden soil. That’s why I think it’s so important to select a grape fertilizer based on expert advice and testimonials for the best results.

What kind of fertilizer is good for grapes?

Amino acid foliar fertilizers contain a variety of plant-derived amino acids and organic acids, which can increase the immunity and antioxidant capacity of grapes.

Optimizing grape growth, berry quality and phenolic compounds with

Ca & Fe co-application offers holistic approach to optimize vineyard management. Iron (Fe) and calcium (Ca) are pivotal elements influencing grape growth and wine quality. However, the combined effects of these fertilizers on grape physiology and berry quality remain elusive.

Effects of Foliar Fertilizers on Fruit Qualities and Leaf Growth of

Abstract: To explore the influence of different foliar fertilizers on grape fruit quality and leaf growth, five kinds of foliar fertilizers were utilized on three grape cultivars,‘Summer Black’,‘Kyoho’, and‘Jumeigui’, during different grape growing stages.

Foliar Fertilization of Grapevines: What We Know and Don’t Know

In conclusion, foliar feeding of plant nutrients has its place in vineyard management, and certain foliar nutrients are effective in improving nutritional health of grapevines.

Ultra Gro_Grape Bloom_2021

During grape pre-bloom and bloom key nutrients for a successful crop and healthy vine are calcium, zinc and boron. During shoot expansion in grape vines, there is a short window to get the micronutrients critical to chlorophyll production, photosynthesis, and energy production into the leaves.

Effects of foliar fertilizer additives on grape fruit quality and

Results: Different foliar fertilizer adjuvants can improve the quality of fresh grapes, and each treatment significantly increased the content of soluble solids in the fruit.

The blooming stage of grapevines is a critical phase in their growth, and proper nutrient management during this period is essential for improving fruit quality and yield. Foliar fertilization, as an efficient and convenient method of nutrient application, plays a particularly important role during grape blooming. Below are some recommendations for foliar fertilization during this stage:

1. Select Appropriate Foliar Fertilizers

During grape blooming, the following fertilizers are recommended:

• Potassium Dihydrogen Phosphate (KH₂PO₄): A common foliar fertilizer that provides phosphorus and potassium, promoting flower bud differentiation and fruit development.
• Boron Fertilizer: Boron is crucial for flower bud differentiation and fruit quality. Proper application enhances the formation and maturation of floral organs, improving fruit characteristics.
• Amino Acid Complex Solution: This fertilizer contains multiple amino acids, which stimulate plant growth, promote fruit development, and enhance fruit quality.

2. Timing and Methods of Application

• Timing: Apply foliar fertilizers in the morning or afternoon, avoiding high-temperature periods to prevent reduced effectiveness.
• Methods: Use a sprayer to evenly apply the fertilizer onto grape leaves, or manually spread it directly onto the foliage.

3. Dosage Guidelines

Adjust dosages based on vine size and soil fertility:

• Potassium Dihydrogen Phosphate: 50–100 grams per mu (approx. 0.067 hectares).
• Boron Fertilizer: 5–10 grams per mu.
• Amino Acid Complex Solution: 2–4 liters per mu. Modify dosages according to specific conditions.

4. Application Frequency

Apply foliar fertilizers multiple times during blooming, with a 7–10-day interval between applications. This ensures optimal absorption and maximizes efficacy.

5. Precautions

• Avoid Overapplication: Excessive use may cause fertilizer damage.
• No Mixing With Pesticides: Prevent chemical reactions that could lead to phytotoxicity.
• Avoid High-Temperature Periods: Heat reduces effectiveness.
• Irrigate After Application: Watering aids absorption and utilization of nutrients.

6. Supplementary Management Practices

In addition to foliar fertilization, the following measures support grape blooming and fruit development:

• Proper Pruning: Maintain an optimal trellis structure, remove dead/diseased branches, and ensure ventilation and sunlight to reduce pest risks.
• Thinning Flowers and Fruits: Adjust flower and fruit density based on vine health and market demands to improve quality and yield.
• Rational Irrigation: Maintain soil moisture, avoiding drought or waterlogging, to support healthy growth and fruit development.

The blooming stage is critical for grapevine growth. Rational foliar fertilization, tailored to vine conditions and soil fertility, combined with appropriate application methods and supplementary practices, can significantly enhance fruit quality and yield.