-
What are the control methods for Angelica sinensis pests and diseases?
How do you control diseases and pests in Angelica sinensis? Please explain the methods. Here are several control methods for Angelica sinensis pests and diseases for reference: Root rot: soak the seedlings in 1:1:150 Bordeaux mixture, sterilize and kill insects in the soil: burn and smoke the soil more in the seedling bed. Brown spot: pay attention to field hygiene, promptly remove diseased leaves, and in the middle and late stages use 1:1:150...
-
What are the control methods for Angelica sinensis pests and diseases?
How to control Angelica sinensis pests and diseases? Please give a detailed introduction. For pest and disease control in Angelica sinensis cultivation, you can refer to the following methods: (1) Root rot (Mako disease): mid-April, mid-June, early September, and early November after transplanting are the peak periods of the disease. It damages the roots, and an abundance of soil-dwelling pests favors its occurrence. Control methods: (1) Use 391...
-
How to prevent and control Angelica rust? Detailed explanation of control methods
How to control cutworms in Angelica? Please advise. Cutworms, also known as "soil silkworms" or "black soil silkworms", belong to the order Lepidoptera, family Noctuidae. The main cutworms affecting Angelica are the black cutworm and the yellow cutworm, and their damage conditions and control measures are the same. 1. Damage situation: The larvae damage Angelica seedlings, hiding by day and emerging at night; in the young larval stage they mostly feed on tender leaves...
-
Identification and control methods of Angelica sclerotinia disease
What is the Angelica yellow swallowtail butterfly? Please introduce the Angelica yellow swallowtail butterfly, also known as the fennel swallowtail, belonging to the order Lepidoptera, family Papilionidae. 1. Damage situation: the larvae cause damage, feeding on leaves at night, causing notches, and in severe cases eating the leaves completely, leaving only the petioles and veins, and also feeding on flowers and fruits. This insect has a large appetite, seriously affecting the growth of Angelica, ...
-
What are the cultivation methods and key technical points for Salvia miltiorrhiza?
What are the methods for growing Salvia miltiorrhiza? Please give an introduction. Salvia miltiorrhiza, also known as purple salvia, red salvia, blood salvia, and red-rooted salvia, is the dried root of the plant Salvia miltiorrhiza in the Lamiaceae family. It has the functions of removing blood stasis and relieving pain, promoting blood circulation and regulating menstruation, and nourishing the heart and relieving restlessness. It is suitable for irregular menstruation, amenorrhea, ectopic pregnancy, hepatosplenomegaly, angina pectoris, restlessness and insomnia...
-
What are the control methods for root-knot nematode disease in Danshen (Salvia miltiorrhiza)?
How to control root-knot nematode disease in Danshen (Salvia miltiorrhiza)? What are the symptoms of root-knot nematode disease in Danshen (Salvia miltiorrhiza)? The control methods for root-knot nematode disease in Danshen (Salvia miltiorrhiza) can be referred to as follows: 1. Damage symptoms. The disease damages the roots of Danshen (Salvia miltiorrhiza). The affected taproots, lateral roots and fibrous roots all bear tumor-like root galls; the taproots and lateral roots become thinner, and the fibrous roots increase in number. On the galls...
-
What are the control methods for root rot in red sage (Salvia miltiorrhiza)?
How do you control root rot in red sage? Please provide an introduction. Red sage root rot: 1. Harmful symptoms: Red sage root rot occurs in hot, rainy seasons and harms the plant's roots. In the early stage, only a few roots or part of the underground rhizome become diseased first, gradually spreading to the entire root system. After the roots are damaged, wet rot occurs, the outer skin turns black,...
-
Astragalus Planting: Fertilization and Pest Control Methods
How do you fertilize and control pests when planting astragalus? Please help explain the methods. For astragalus fertilization and pest control, you can refer to the following methods: 1. Fertilization management. Astragalus prefers fertile soil, so in addition to applying sufficient base fertilizer, it also needs topdressing 2-3 times each year. The first time, after the seedlings are complete or after greening resumes, apply farmyard manure as topdressing; the second time, after intertillage and weeding, apply pen...
-
What are the control methods for purple root rot of Astragalus membranaceus?
How to control purple root rot of Astragalus membranaceus? Please explain the methods. The pathogen of purple root rot of Astragalus membranaceus is a kind of basidiomycete fungus, which mainly damages the underground roots. It first occurs on the underground fibrous roots, then spreads to the lateral roots and the main root. In the early stage of the disease, a layer of white thread-like material can be seen wrapped around the roots; as the disease develops, it turns purplish brown and...
-
Detailed Explanation of Angelica Dahurica Planting Technology and Field Management Methods
How to plant and manage Angelica dahurica? Please introduce Angelica dahurica is one of the famous "eight great praying medicines," also known as Qi Baizhi. Angelica dahurica is suitable for growing in flat terrain with deep, loose, fertile, well-drained sandy loam and loam soil. 1. Sowing: Spring sowing of Angelica dahurica is around Qingming, and autumn sowing is between Chushu and Bailu...
条件筛选