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நெல் பயிரில் பூஞ்சை தாக்குதலை எவ்வாறு கட்டுப்படுத்துவது என்பது பற்றிய தகவல்கள்?

பூஞ்சை தாக்குதல்கள் நெல் பயிர்களை கடுமையாக சேதப்படுத்தும், இதனால் விளைச்சல் குறைந்து விவசாயிகளுக்கு

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Control of flower and fruit dropping in cotton

Title: Enhancing Cotton Yield: Controlling Flower and Fruit Dropping

Cotton, often referred to as “white gold,” is a crucial staple crop that serves as a primary source of income for farmers worldwide. Its economic significance makes the development and implementation of effective crop management practices essential. One common challenge in cotton production is the dropping of flowers and fruits, which can significantly impact yield and subsequent profitability. In this article, we will explore various strategies and techniques to control flower and fruit dropping in cotton, enabling farmers to maximize productivity and profitability.

Understanding Flower and Fruit Dropping:
Flower and fruit dropping in cotton can occur due to a variety of reasons, including environmental factors, genetic traits, pests, diseases, nutrient deficiencies, and hormonal imbalances. Each factor requires a specific approach to effectively manage the issue.

1. Plant Nutrition Management:
Maintaining proper nutrition levels in cotton plants is crucial to reducing flower and fruit dropping. Essential nutrients like nitrogen (N), phosphorus (P), and potassium (K) should be adequately supplied to avoid deficiencies that can lead to shedding. Conduct regular soil tests to assess nutrient levels and ensure proper fertilization based on the specific needs of cotton plants.

2. Irrigation Management:
Maintaining an optimal moisture balance in the soil is vital for achieving good cotton yield. Improper watering, either excess or deficit, can result in flower and fruit abscission. Implementing efficient irrigation practices, such as scheduling irrigation based on crop water requirements and using techniques like drip irrigation, can help maintain a consistent moisture regime.

3. Pest and Disease Management:
Pests and diseases can significantly affect cotton plants, leading to flower and fruit dropping. Implement integrated pest management (IPM) strategies to control pests effectively, including regular monitoring, biological control, and judicious use of pesticides. Similarly, timely diagnosis and proper management of diseases using cultural practices and disease-resistant cultivars are essential to prevent premature dropping.

4. Hormonal Regulation:
Hormonal imbalances, particularly associated with ethylene, play a significant role in flower and fruit abscission. Ethylene management can be achieved through the applications of growth regulators like cytokinins, which promote flower retention and fruit development. Consult with agricultural experts to determine suitable hormonal treatments based on crop growth stage and specific environmental conditions.

5. Environmental Factors and Stress Management:
Unfavorable environmental conditions, such as extreme temperatures, humidity, or drought, can cause flower and fruit dropping. Use techniques like shade nets, mulching, or protective covers to shield cotton plants from excessive heat or cold. Moreover, maintaining optimal air circulation and reducing excessive moisture can help mitigate the risk of shedding.

Controlling flower and fruit dropping in cotton requires a multidimensional approach that combines proper nutrition, irrigation management, pest and disease control, hormonal regulation, and stress management techniques. By implementing these strategies and working closely with agricultural experts, cotton farmers can minimize losses due to abscission and maximize their crop yield and overall profitability. Crop management practices must be continually refined based on local conditions and emerging research to ensure sustainable cotton production and global supply.

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