Achyranthes bidentata how to control leaf spot and Spodoptera litura?
Achyranthes bidentata how to control leaf spot and Spodoptera litura? Please introduce the method of Achyranthes bidentata leaf spot: also known as bacterial black spot mainly harms leaves and petioles. At the initial stage of the disease, there were many water-stained dark green round to polygonal spots on the leaf surface, and then gradually expanded, forming brown to dark brown polygonal spots between the leaf veins, and the petiole dried up slightly. Achyranthes bidentata leaf spot control method: remove the diseased leaves as far as possible to reduce the source of bacteria. If necessary, spray 30% Ludabao suspension 400 times solution, or 1 Val 240 Bordeaux solution, 77% killing wettable powder 500 times solution or 60% copper succinate wettable powder 500 times solution, once every 10 days or so, prevention and treatment 2-3 times. Spodoptera litura is an omnivorous pest. If it is not controlled in time, tender buds, leaves and buds are often eaten, resulting in leaf roll wilting. Control method of Spodoptera litura: before the 3rd instar, the larvae were sprayed with 1000-fold solution of 90% trichlorfon or 1000-fold spray with 50% phoxim, once every 10-14 days, 2-3 times in succession. Click to get more planting techniques of Achyranthes bidentata
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How to cultivate Achyranthes bidentata?
How to cultivate Achyranthes bidentata? Please introduce Achyranthes bidentata (Achyranthes bidentata) as a perennial medicinal herb of Amaranthaceae, which is also known as Achyranthes bidentata (Sichuan), Achyranthes bidentata (Huaiqing, Henan) and so on. The cultivation of Achyranthes bidentata can be carried out with reference to the following methods: growth environment: 1. Requirements for environmental conditions. Achyranthes bidentata is the deep root.
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Salvia miltiorrhiza planting: how can salvia miltiorrhiza be planted with high yield?
How can Salvia miltiorrhiza be planted with high yield? What are the good ways to make Salvia miltiorrhiza grow well? Please introduce the management and methods of planting Salvia miltiorrhiza in order to achieve high yield. The following are the management methods of Radix Salviae Miltiorrhizae for your reference: 1. Weeding in Salvia miltiorrhiza field: generally 3 times, the first time in May, seedling height 15%.
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