2018 (94)
2019 (48)
白粉病
https://www.hgtv.com/outdoors/gardens/planting-and-maintenance/preventing-rose-diseases
You can make your own powdery mildew spray by combining 3 teaspoons baking soda with 2 tablespoons highly refined summer oil and 1 gallon of water.
Spray every 10 days to two weeks.
在使用重碳酸盐的过程之中应考虑使用剂量的问题,以稀释200倍,每7天喷一次,连续3次的效果最稳定,若能添加天然的展着剂,界面活性剂或矿物油,则防病效果更佳。
锈病 rust fungus
15oz (450ml) milk diluted with 120 oz (3600) water. 牛奶稀释8倍, or 420ml 稀释到one gallon。
每星期一次,喷三次
https://www.bilibili.com/video/BV1js411p7WB/?spm_id_from=333.788.recommend_more_video.3
白粉病——绿妃 红蜘蛛——爱满枝 金满枝 爱卡螨 阿维菌素 轮换交替打 黑斑——氟硅? (治疗)氟代森锰锌(可防)百菌灵(治愈后可防)