T/QHNX 044-2024 Garden small chrysanthemum cutting seedling cultivation techniques specifications

Scope

Scope: This document specifies the technical content of nursery site selection, substrate preparation, cutting time, cutting material preparation, cutting method, post-cutting management, pest and disease control, and standard criteria for strong seedlings in the cuttings propagation process of garden chrysanthemums. This document is applicable to the cuttings propagation of garden chrysanthemums in Qinghai Province. Main technical content: 6. Cutting time: April to June. 7. Cutting material preparation: 7.1 Select healthy, disease-free, and pest-free apical shoots from one-year garden chrysanthemum plants as cutting material. 7.2 Obtain cutting material: Obtain cutting material indoors or in a shaded area. The length of the cutting material should be 8.00 cm to 10.00 cm, with 2 to 3 leaves left on the upper part and a slanted base on the lower part. 7.3 Process the cutting material: Immediately place the obtained cutting material in a 0.5 g/L rooting powder and multifunctional fungicide mixed solution for disinfection for 3 minutes after obtaining it. 7.4 Select cutting containers: Use 50-hole seedling trays. 8. Cutting method: Cut the seedlings to a depth of 5.00 cm to 6.00 cm. After cutting, gently push the cuttings with your fingers to ensure that the substrate is tightly adhered to the cuttings. Place the seedling trays after cutting on the seedling bed, and spray them daily to prevent the leaves from wilting and maintain the substrate's moderate moisture level.

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