Cutting chrysanthemum cultivation techniques

1, colonization. Cut flower chrysanthemum is a plant that is jealous of fat, suitable for deep ditch sorghum, full base fertilizer, ditch height 30-40 cm, 4 tons of cooked pig manure per acre. In open field cultivation, the width is 120 cm and the width is 50 cm. The protective cultivation is based on the conditions of the facility. For example, 6 m 30 m standard greenhouses, 3 m planted, 1.2 m wide and 0.5 m wide. The suitable period for colonization was different due to the plant type, number of toppings and the period of flowering. Generally, the suitable planting period of Chrysanthemum, chrysanthemum, or multiflora is in late May, and the suitable planting period for autumn chrysanthemum, winter chrysanthemum, or large flower type is in early June. Planted in open field, the planting density was 20 plants per square meter; it was cultivated in a plastic greenhouse and each plant was 1.2 meters wide, with 6 plants per row and a row spacing of 20 centimeters. 2, the main column Zhang net. The cut chrysanthemum is usually about 80 cm in height. It needs to be used as a fixed network around the concrete wall. The width of the flower is the same as the width of the plant. The mesh is 20-25 cm square. When the chrysanthemum plant grows to a height of 20-25 cm, it is The first layer of the net was set at a height of 30 centimeters, and then the second layer of nets was laid at 60 centimeters as the chrysanthemum plant grew. 3, pruning, brushing buds, sparse buds, change heads. Cut chrysanthemum multi-cultivation after picking sprout buds, leaving 3-4 branches selected, the remaining sparse, timely eradication of buds on the branches. Immediately after budding, all buds below the top bud of the Chrysanthemum plant were removed. The phenomenon of "Liuyetou" should occur. The heart should be picked up as soon as possible, and the willow part of the shoot should be cut along with 1-2 normal leaves. The lateral branches which sprout from the lower part should be replaced with the main stem, and then in short-day conditions. Flower bud differentiation. 4, pest control, common diseases of chrysanthemum leaf spot, black spot, powdery mildew, rust, etc., the use of rotation to clear the debris; ventilation combined with thiophanate-methyl and other fungicides effective control, insect pests mainly locusts spider mite, Umbilical hernia, with omethoate, enemy kill, carbofuran, etc.

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