Categories: Cây cảnh - Bonsai Posted by Sol on 04/01/2016 5:35 CH | Bình luận (9)

Rệp ăn lá non thường bám vào các búp lá non và hút hết nhựa khiến cho lá không thể phát triển bình thường, làm ảnh hưởng đến quá trình phát triển của cây cảnh nói chung và bonsai nói riêng.

Loại rệp này thường xuất hiện vào những ngày thời tiết ẩm ướt, khi cây cảnh, bonsai phát triển mạnh, lá non ra nhiều. Trong dân gian có rất nhiều cách để trị loại rệp này. Nhưng trong khuôn khổ hạn hẹp của bài viết, tôi xin chia sẻ một cách trị rệp rất đơn giản nhưng không kém phần hiệu quả.

Tuỳ theo số lượng cây bị nhiễm bệnh mà bạn hãy pha chế liều lượng đủ dùng, tránh gây lãng phí. Công thức dưới đây áp dụng cho khoảng 100 cây bonsai cỡ nhỏ.

Nguyên liệu cần chuẩn bị:

+ 2 củ tỏi tươi.

+ 5 quả ót chỉ thiên

+ 3 thìa xà phòng bột

 

Cách làm như sau:

Các bạn hãy bóc vỏ tỏi, bỏ hết hạt ớt sau đó đem nghiền mịn hai loại trên. Tiếp đó cho thêm xà phòng vào. Kết quả ta sẽ có hỗn hợp của ớt, tỏi và xà phòng. Các bạn nên đem hỗn hợp trên pha với nước sau đó lọc bỏ bã, lấy nước cốt.

Cuối cùng mang nước sau khi lọc hoà chung vào nước theo tỷ lệ 1/10, rồi đem đi xịt toàn bộ bề mặt lá các cây bị rệp. Nhớ xịt đậm chút sẽ hiệu quả hơn.

Cách thức này mình quan sát thấy hiệu quả nhất vào những ngày trời không có nhiều nắng, gió nhẹ. Nếu như phun một lần mà không diệt hết thì 3-5 ngày sau chúng ta lại phun đợt tiếp theo. Thường thì mình phun một lần là có thể diệt được hết.

Chúc các bạn luôn có những cây bonsai mạnh khoẻ!

Bình luận (9) -

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