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BIỆN PHÁP PHÒNG TRỪ RẦY NÂU VÀ RẦY LƯNG TRẮNG
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BIỆN PHÁP PHÒNG TRỪ RẦY NÂU VÀ RẦY LƯNG TRẮNG

Posted On February 22, 2017 at 6:23 pm by / 123 Comments

BIỆN PHÁP PHÒNG TRỪ RẦY NÂU VÀ RẦY LƯNG TRẮNG

  1. Đặc điểm của rầy nâu

Vòng đời của rầy trung bình từ 25 – 28 ngày, rầy trưởng thành đẻ trứng trong mô bẹ lá hoặc ở các gân lá. Trứng xếp hình nải chuối. Rầy có 5 tuổi. Rầy trưởng thành có hai loại: cánh dài và cánh ngắn. Dạng cánh ngắn xuất hiện nhiều khi điều kiện thuận lợi, thức ăn phong phú, rầy cánh dài thường xuất hiện vào giai đoạn lúa chín hoặc khan hiếm thức ăn để di chuyển, phát tán. Cả rầy cám và rầy trưởng đều chích hút nhựa làm cây lúa còi cọc, chậm phát triển, khi mật độ rầy cao có thể gây ra hiện tựng cháy rầy. Ngoài ra rầy còn là môi giới truyền vi rút gây bệnh vàng lùn và lùn sọc đen cho cây lúa.

  1. Biện pháp phòng trừ

Để bảo vệ năng suất lúa vụ xuân bà con thực hiện theo hướng dẫn các biện pháp phòng trừ rầy như sau:

– Vệ sinh đồng ruộng bằng cách cày, bừa kỹ trước khi gieo cấy, dọn sạch cỏ bờ ruộng, mương dẫn nước; Không gieo cấy quá dày.

– Bón phân cân đối, không bón thừa phân đạm.

– Giai đoạn đầu vụ hạn chế tối đa việc sử dụng thuốc sâu, làm ảnh hưởng đến các thiên địch như: chuồn chuồn, nhện, bọ rùa, kiến ba khoang, bọ xít mù… chúng ăn rầy nâu, giúp hạn chế mật độ.

– Thăm đồng thường xuyên, phát hiện sớm và phải xử lý kịp thời các ổ rầy mới phát sinh ở diện hẹp.

– Biện pháp hóa học: Những nơi có mật độ rầy từ 1.500 đến 2.000 con/m2 sử dụng 1 gói thuốc Bađăng 300WP (hoặc 1 gói Actara 25WG) + với 40ml thuốc Bassa 50 EC pha với 20 lít nước, phun cho 1 sào. Những nơi có mật độ trên 2000 con/m2 sử dụng 2 gói thuốc Bađăng 300WP (hoặc 2 gói Actara 25WG) + với 60 ml thuốc Bassa 50 EC, pha với 30 lít, phun cho một sào

– Kỹ thuật phòng trừ

1, Khi lúa tốt phải rẽ lúa thành luống nhỏ, đưa vòi phun xuống sát gốc lúa để hiệu quả phòng trừ đạt được cao. Với những nơi có mật độ rầy cao > 3000 con/m2 cần tiến hành phun kép 2 lần (lần 1 cách lần 2 từ 3-4 ngày)

2, Khi phun thuốc trừ rầy, ruộng lúa phải có nước mới đạt hiệu quả cao.

3, Pha và phun đủ lượng thuốc trên diện tích lúa (theo hướng dẫn của từng loại thuốc). Không tự ý giảm bớt liều dùng hoặc tăng liều hay phối trộn thêm nhiều loại thuốc khác nhau. Đảm bảo phun đủ 16 đến 20 lít nước thuốc/sào.

4, Sau khi phun trừ nếu gặp trời mưa phải tiến hành kiểm tra và phun lại.

*Lưu ý:

– Phun thuốc bằng bình bơm tay đeo vai (không sử dụng ống phụt để phun thuốc), phun thuốc vào buổi sáng khô sương hoặc chiều mát. Không đi ngược chiều gió, không phun thuốc giữa trưa nắng.

– Trang bị bảo hộ lao động đầy đủ khi phun thuốc.

Bảng hướng dẫn sử dụng một số thuốc trừ rầy

TT

Tên hoạt chất

(Tên thuốc)

Liều lượng

Thời điểm phun

1

Hoạt chất Fenobucarb

(Bassa 50EC, Bascide 50EC, Vibasa 50 EC,  Excel Basa 50 EC, …)

Liều dùng 0,75 -1 lít/ha. Pha 15 – 20 ml thuốc/bình 8 lít. Phun 2 bình/ sào.

Rầy tuổi 1-2

2

Hoạt chất Buprofezin

( Butyl 10WP,  Difluent 10WP, 25WP…)

Pha 20 g thuốc/bình 8 lít. Phun 2 bình / sào

 

Rầy tuổi 1-2

3

Hoạt chất Thiamethoxam

(Actara 25WG,…)

Liều dùng pha 1g/ bình 8 lít, phun 2 bình /sào

Trứng mới nở, rầy non, trưởng thành

4

Hoạt chất imidacloprid

(Sectox 100EC, 100WP…)

Liều dùng pha 10g/ bình 8 lít. Phun 02 bình /sào

 

Rầy non và trưởng thành

5

Hoạt chất Acetamiprid + Buproferin

(Bađăng 300WP…)

Liều dùng: Pha 10g/ bình 8 lit/, phun 2 bình/ sào

Rầy tuổi 1-2

6

Hoạt chất

Pymetrozine

(Chess 50WG…)

Liều dùng: Pha 3,5g /8-10 lít nước phun cho 1 sào

Trứng mới nở, rầy non, trưởng thành

7

Hoạt chất

Buprofezin +

Cholorpyrifos Ethyl

(Penalty gold 50EC; Sieusauray 100 EC; Vetsemex 20,40,72EC…)

 

Liều dùng: Pha 20-30cc / bình 10 lít, phun 2 bình/sào

Trứng mới nở, rầy non, trưởng thành

8

Hoạt chất

Chlorpyrifos Ethyl

+ Cypermethrin

(Wavotox 585EC…)

Liều dùng: Pha 20-30cc / bình10, phun 2 bình/sào

Trứng mới nở, rầy non, trưởng thành

Nguồn: Sưu tầm.

Tư vấn kĩ thuật: 0933.067.033

123 thoughts on “BIỆN PHÁP PHÒNG TRỪ RẦY NÂU VÀ RẦY LƯNG TRẮNG”

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  68. Services for Checking USDT for Restrictive Measures and Transfer Clarity: Anti-Money Laundering Measures

    In the up-to-date realm of digital currencies, where fast trades and privacy are becoming the usual case, tracking the lawfulness and clarity of transactions is necessary. In recognition of increased regulatory oversight over illicit finance and terrorism financing activities, the requirement for robust resources to authenticate transfers has become a critical priority for crypto users. In this write-up, we will analyze accessible services for checking USDT for sanctions and deal clarity.

    What is AML?

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    4. Hazard Reports: Certain solutions extend detailed risk evaluations, which can be helpful for stakeholders looking to ensure the soundness of their holdings.

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    Verifying USDT for prohibitions and transaction purity is becoming a compulsory step for anyone enthusiastic to remain within the rules and preserve high benchmarks of visibility in the digital asset field. By interacting with reliable solutions, you not only defend your investments but also contribute to the joint goal in combating money laundering and financing of terrorism.

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  111. Solutions for Monitoring USDT for Prohibitions and Operation Cleanliness: Anti-Laundering Measures

    In the modern environment of virtual currencies, where fast exchanges and privacy are becoming the standard practice, monitoring the lawfulness and cleanliness of operations is essential. In view of amplified administrative investigation over money laundering and financing of terrorism, the need for effective means to verify transfers has become a significant concern for virtual currency users. In this write-up, we will explore existing services for monitoring USDT for sanctions and operation purity.

    What is AML?

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    Available Services

    1. Address Authentication: Leveraging specialized tools, you can confirm a particular USDT address for any connections to restrictive directories. This aids pinpoint potential associations to criminal operations.

    2. Deal Engagement Analysis: Some offerings extend assessment of transaction history, significant for assessing the clarity of monetary transfers and identifying potentially risky activities.

    3. Observation Systems: Dedicated monitoring tools allow you to follow all transactions related to your wallet, allowing you to quickly identify suspicious conduct.

    4. Threat Documents: Certain solutions offer detailed hazard evaluations, which can be crucial for traders looking to validate the reliability of their holdings.

    No matter of whether or not you are managing a large investment or making small trades, following to AML practices helps avoid legal repercussions. Using USDT authentication services not only shields you from financial setbacks but also aids to creating a protected environment for all industry participants.

    Conclusion

    Checking USDT for embargoes and transaction purity is becoming a mandatory step for anyone enthusiastic to stay within the law and uphold high criteria of transparency in the crypto industry. By collaborating with reliable services, you not only defend your investments but also contribute to the collective mission in fighting financial misconduct and terrorist financing.

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  115. Solutions for Verifying USDT for Prohibitions and Deal Clarity: AML Strategies

    In the current environment of cryptocurrencies, where expedited deals and obscurity are becoming the standard practice, tracking the legitimacy and cleanliness of transactions is essential. In view of increased official scrutiny over money laundering and terrorism funding, the need for reliable means to authenticate operations has become a key issue for crypto users. In this text, we will analyze available tools for monitoring USDT for restrictive measures and transaction clarity.

    What is AML?

    Anti-Money Laundering measures refer to a series of supervisory protocols aimed at hindering and detecting dirty money activities. With the surge of digital asset usage, AML standards have become exceedingly crucial, allowing users to deal with digital holdings with assurance while mitigating hazards associated with embargoes.

    USDT, as the preeminent popular stablecoin, is widely used in different transactions worldwide. However, using USDT can involve several threats, especially if your funds may connect to opaque or illicit transactions. To lessen these hazards, it’s crucial to take leverage of tools that check USDT for restrictive measures.

    Available Services

    1. Address Validation: Leveraging specialized tools, you can inspect a certain USDT address for any links to restrictive registries. This helps identify potential links to criminal conduct.

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    Conclusion

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  120. The Vatican Museum: A Journey Through Time and Art

    Nestled within the Vatican City, the Vatican Museums stand as one of the most iconic cultural institutions in the world. With their unparalleled collection of art and history, they offer an extraordinary experience for visitors from all walks of life. Housing over 70,000 works of art, with 20,000 on display, these museums are a testament to humanity’s enduring quest for beauty, knowledge, and spirituality.

    A Brief History

    The origins of the Vatican Museums trace back to 1506 when Pope Julius II acquired a marble statue known as “Laocoon and His Sons.” This masterpiece marked the beginning of what would become one of the most extensive and revered art collections in the world. Over the centuries, successive Popes expanded the collection, commissioning and acquiring works from renowned artists and civilizations spanning millennia.

    Today, the Vatican Museums are a series of interconnected museums and galleries, showcasing art and artifacts from ancient Egypt, classical antiquity, the Renaissance, and beyond. They serve as a bridge between the past and present, inviting visitors to immerse themselves in a world of creativity and devotion.

    Highlights of the Vatican Museums

    1. The Sistine Chapel:
    The Sistine Chapel is arguably the crown jewel of the Vatican Museums. Michelangelo’s breathtaking frescoes, including the iconic “The Creation of Adam” and “The Last Judgment,” adorn its ceiling and altar wall. These masterpieces are considered some of the greatest achievements in the history of art, offering a profound spiritual and artistic experience.

    2. Raphael Rooms:
    Commissioned by Pope Julius II, the Raphael Rooms showcase the genius of Renaissance artist Raphael. The “School of Athens,” a depiction of classical philosophers, is a standout piece that exemplifies harmony, perspective, and intellectual depth.

    3. Gallery of Maps:
    A visual feast for cartography enthusiasts, the Gallery of Maps features 40 detailed topographical maps of Italy, meticulously painted by Ignazio Danti in the late 16th century. The vibrant colors and intricate details make this gallery a must-see.

    4. Gregorian Egyptian Museum:
    For those intrigued by ancient civilizations, the Gregorian Egyptian Museum offers a fascinating glimpse into Egypt’s history. With mummies, statues, and papyri, it transports visitors to a time of pharaohs and pyramids.

    5. Pinacoteca:
    The Pinacoteca, or picture gallery, houses an impressive collection of paintings from the Middle Ages to the 19th century. Works by Leonardo da Vinci, Caravaggio, and Titian are among its treasures.

    Tips for Visiting the Vatican Museums

    Book Tickets in Advance: The Vatican Museums attract millions of visitors annually. To avoid long queues, consider purchasing skip-the-line tickets or guided tour packages online.

    Choose the Right Time: Visiting early in the morning or late in the afternoon can help you avoid peak crowds. Wednesday mornings are especially busy due to the Pope’s weekly audience.

    Dress Appropriately: As a religious site, the Vatican has a dress code. Ensure your shoulders and knees are covered to gain entry.

    Take a Guided Tour: To fully appreciate the history and significance of the collections, opt for a guided tour. Expert guides provide insightful commentary, enriching your experience.

    Allocate Sufficient Time: The museums are vast, and exploring them can take several hours. Prioritize your must-see areas and allow time to soak in the ambiance.

    The Cultural Significance of the Vatican Museums

    The Vatican Museums are more than a repository of art; they represent a convergence of faith, culture, and human achievement. They bear witness to the Catholic Church’s role in preserving and fostering artistic expression throughout history. The collections highlight the interplay between spirituality and creativity, offering visitors a profound connection to the divine and the universal human experience.

    Practical Information

    Location: Vatican City, accessible from Rome.

    Opening Hours: Typically open Monday through Saturday, with limited hours on Sundays. Check the official website for holiday schedules.

    Tickets: Standard entry fees vary, with discounts available for students and children.

    Accessibility: The museums are wheelchair accessible, with lifts and pathways designed for visitors with mobility challenges.

    The Vatican Museums are a treasure trove of art, history, and spirituality, offering a transformative journey through humanity’s creative and cultural legacy. Whether you are an art aficionado, a history enthusiast, or a spiritual seeker, the museums promise an unforgettable experience. Plan your visit today to explore one of the world’s greatest cultural landmarks and discover the timeless beauty that lies within its walls.

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