Crystal Xeberia Fungicide (Validamycin 2.8% + Propiconazole 6% EW)

Dual-Action Fungicide for Sheath Blight and Brown Spot Management in Paddy

Crystal Xeberia Fungicide (Validamycin 2.8% + Propiconazole 6% EW) is a combination fungicide developed by Crystal Crop Protection for disease management in paddy / rice. It combines the specialised activity of Validamycin with the systemic triazole activity of Propiconazole to provide effective management of rice sheath blight and brown spot.

Xeberia combines two active ingredients with different modes of action, helping protect rice crops from important fungal diseases. Its combination approach is useful for managing disease pressure while supporting healthier crop development when applied according to the current product label.

Product Specifications

Technical Composition

Key Features of Crystal Xeberia

• Dual Active Combination: Contains Validamycin 2.8% + Propiconazole 6% EW.
• Paddy Disease Management: Registered for important fungal diseases of rice.
• Sheath Blight Control: Recommended against Rhizoctonia solani.
• Brown Spot Control: Recommended against rice brown spot caused by Helminthosporium oryzae.
• Systemic Component: Propiconazole is absorbed by plant tissues and provides internal fungicidal activity.
• Complementary Modes of Action: Two different fungicidal mechanisms provide broader disease-management support.
• Rice-Focused Formulation: Specifically registered for disease management in paddy.

Benefits of Xeberia Fungicide

• Helps manage sheath blight in paddy.
• Helps control brown spot in rice.
• Combines two active ingredients in a single formulation.
• Helps protect leaves and sheath tissues from susceptible fungal infection.
• Provides systemic disease-management activity through Propiconazole.
• Validamycin provides specialised activity against Rhizoctonia-related disease.
• Can be incorporated into an integrated rice disease-management program.

Recommended Crop, Diseases and Dosage

The registered formulation recommendation is 2000 ml per hectare, equivalent to approximately 800 ml per acre. Recommended spray-water volume is 375–500 litres per hectare, or approximately 150–200 litres per acre.

Always follow the current Crystal Xeberia product label for the final dose, application timing, number of sprays and spray-water requirement.

Pre-Harvest Interval

The registered-use reference specifies a 17-day pre-harvest interval for rice. Do not harvest treated produce before completion of the waiting period stated on the current product label.

Target Diseases

Xeberia for Rice Sheath Blight

Sheath blight is an important fungal disease of rice caused by Rhizoctonia solani. It commonly develops on the leaf sheath near the water level and can spread upward to leaves when environmental conditions favour disease development.

Symptoms may include oval or irregular grey-green lesions that gradually enlarge. Severe infection can reduce healthy leaf area and interfere with normal crop development.

Validamycin has specialised activity against Rhizoctonia fungi, while Propiconazole provides systemic fungicidal action, making their combination useful for sheath blight management.

Xeberia for Rice Brown Spot

Brown spot of rice is associated with Helminthosporium oryzae and generally appears as brown lesions on leaves. Disease pressure can increase under favourable environmental or crop-stress conditions.

Xeberia is registered for management of brown spot in paddy. Timely treatment during the early stages of disease development can help protect healthy crop foliage.

Mode of Action

Validamycin is an antifungal antibiotic particularly known for activity against Rhizoctonia species. Validamycin interferes with fungal trehalose metabolism by inhibiting the trehalase enzyme. This disrupts important energy-related processes required for normal fungal growth and development.

Propiconazole is a systemic triazole fungicide. It inhibits sterol biosynthesis in susceptible fungi. Sterols are essential components of fungal cell membranes, so disruption of their formation restricts normal growth and development of the pathogen.

The combination of these two modes of action provides complementary disease-management activity against the registered diseases in rice.

Systemic Disease Protection

The Propiconazole component is absorbed by treated plant tissues and provides systemic fungicidal activity. This helps provide protection within treated crop tissues rather than relying only on fungicide deposited on the plant surface.

Validamycin complements this activity with specialised action against susceptible fungi such as Rhizoctonia solani.

How to Use Crystal Xeberia

1. Inspect the rice crop regularly for symptoms of sheath blight and brown spot.
2. Confirm the disease before fungicide application.
3. Measure the label-recommended quantity of Xeberia accurately.
4. Partially fill the spray tank with clean water.
5. Add the required quantity of Xeberia while maintaining agitation.
6. Add the remaining spray water and mix thoroughly.
7. Apply uniformly over the paddy crop.
8. Ensure good coverage of leaf sheaths and foliage, particularly where disease symptoms are developing.
9. Use properly calibrated spraying equipment.

Best Time to Apply

Apply Xeberia preventively when disease pressure is expected or at the early appearance of sheath blight or brown spot symptoms according to the current label recommendation.

Early disease management is generally preferable to waiting until infection becomes severe. Regular field scouting is therefore important throughout susceptible crop stages.

Application Tips

• Correctly identify the fungal disease before treatment.
• Apply at the label-recommended dose.
• Ensure uniform spray coverage throughout the crop canopy.
• For sheath blight, ensure spray reaches the lower canopy and sheath region.
• Use clean water for preparing the spray solution.
• Use properly calibrated spraying equipment.
• Avoid application during strong winds.
• Avoid spraying immediately before heavy rainfall.
• Observe the label-specified pre-harvest interval.

Why Sheath Coverage Is Important

Rice sheath blight often develops around the lower leaf sheath and can spread upward under humid field conditions. Spray coverage limited only to the upper foliage may not provide adequate exposure around disease-prone sheath tissues.

Use sufficient spray-water volume and appropriate equipment to obtain uniform coverage across the rice canopy according to the label.

Dual Fungicidal Approach

Xeberia combines two fungicidal components rather than relying on a single active ingredient. Validamycin and Propiconazole affect susceptible pathogens through different biochemical processes.

This complementary combination provides a practical approach for management of sheath blight and brown spot when incorporated into a complete rice disease-management program.

Disease Management Practices

Fungicide application works best when combined with good crop-management practices. Regular field monitoring, balanced plant nutrition, appropriate plant spacing and proper water and residue management can help reduce conditions favourable to severe disease development.

Where additional fungicide sprays are required, follow the current label and appropriate mode-of-action rotation recommendations.

Compatibility

Before combining Xeberia with insecticides, fertilizers, micronutrients or other crop-protection products, confirm compatibility from the labels of all products involved.

• Use clean spray water.
• Conduct a small compatibility test for unfamiliar mixtures.
• Avoid prohibited combinations.
• Prepare fresh spray solution for application.
• Do not exceed the recommended formulation rate.

Safety Precautions

• Wear gloves, protective clothing, eye protection and a suitable mask during mixing and spraying.
• Avoid direct contact with skin and eyes.
• Avoid inhaling spray mist.
• Do not eat, drink or smoke while handling the fungicide.
• Wash hands and exposed skin thoroughly after use.
• Keep away from children, animals, food and animal feed.
• Avoid contamination of ponds, canals and other water sources.
• Observe the waiting period specified on the current label.

Why Farmers Can Choose Crystal Xeberia

• Developed by Crystal Crop Protection Limited.
• Contains Validamycin 2.8% + Propiconazole 6% EW.
• Specially registered for paddy disease management.
• Controls rice sheath blight.
• Controls rice brown spot.
• Combines two complementary modes of fungicidal action.
• Includes systemic activity through Propiconazole.
• Validamycin provides specialised activity against Rhizoctonia-related disease.

Frequently Asked Questions

Q1. What is Crystal Xeberia?

Crystal Xeberia is a combination fungicide containing Validamycin 2.8% + Propiconazole 6% EW for disease management in rice.

Q2. What is the technical composition of Xeberia?

Xeberia contains Validamycin 2.8% + Propiconazole 6% EW.

Q3. Which crop is Xeberia recommended for?

The registered recommendation is for paddy / rice.

Q4. Which diseases does Xeberia control?

Xeberia is registered for management of rice sheath blight caused by Rhizoctonia solani and brown spot caused by Helminthosporium oryzae.

Q5. What is the dose of Crystal Xeberia?

The registered formulation dose is 2000 ml per hectare, equivalent to approximately 800 ml per acre. Always follow the current product label for final application directions.

Q6. How much water is required?

The registered spray-water recommendation is approximately 375–500 litres per hectare, equivalent to roughly 150–200 litres per acre.

Q7. Is Xeberia useful against sheath blight?

Yes. Rice sheath blight caused by Rhizoctonia solani is one of the specifically registered target diseases.

Q8. Does Xeberia control rice brown spot?

Yes. Brown spot caused by Helminthosporium oryzae is included in the registered recommendation.

Q9. Is Xeberia systemic?

Xeberia contains systemic Propiconazole together with Validamycin, providing complementary fungicidal activity within a combination formulation.

Q10. How does Validamycin work?

Validamycin inhibits fungal trehalase activity and disrupts trehalose metabolism, affecting energy utilisation and normal growth of susceptible fungi.

Q11. How does Propiconazole work?

Propiconazole inhibits sterol biosynthesis required for normal fungal cell membrane development, restricting growth of susceptible pathogens.

Q12. What is the waiting period for Xeberia?

The registered pre-harvest interval for rice is 17 days. Confirm the waiting period on the current physical product label before application.

Q13. When should Xeberia be applied?

Apply according to the current label when disease risk is present or during the early stages of sheath blight or brown spot development.

Q14. Can Xeberia be used on crops other than rice?

Do not use Xeberia on other crops unless they are specifically included on the current registered product label.

Crystal Xeberia for Sheath Blight and Brown Spot Control in Paddy

Crystal Xeberia Fungicide (Validamycin 2.8% + Propiconazole 6% EW) is a dual-active paddy fungicide designed for management of sheath blight and brown spot. Its combination of specialised Validamycin activity and systemic Propiconazole action supports effective rice disease management when applied at the correct stage, dose and spray volume.

Disclaimer: The details provided are for informational guidance only. Always adhere to the recommended application instructions as stated on the product label and in the accompanying leaflet.