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            粘蟲黃板的應用范圍、懸掛高度、時間和密度問題

            • 發布日期:2021-11-20 12:42:18
            • 瀏覽量:623
            • 文章來源:http://www.yhsns.com/a_20211120123559.html

            粘蟲黃板的應用范圍、懸掛高度、懸掛時間和懸掛密度問題簡要解答:

            1、應用范圍: 粘蟲黃板主要用于防治蔬菜和果樹害蟲,如蚜蟲、粉虱、黃條跳甲等。
            2、懸掛高度: 粘蟲黃板懸掛高度以超過作物生長點5~10厘米為最佳,并隨著作物的生長調節懸掛高度。
            3、懸掛時間: 防治蚜蟲、黃曲條跳甲懸掛時間一般在4月初,防治粉虱懸掛時間一般在5月初。蔬菜出苗及移栽后視害蟲發生情況懸掛 粘蟲黃板 ,時間越早越好,整個蔬菜生產期堅持使用,效果更佳。
            4、懸掛密度: 粘蟲黃板規格為20厘米×30厘米,每畝用量30張。

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