New Pollen-free Ornamental Sunflower Variety "Huankui No. 4"
Variety characteristics Plants erect, single-dried, can be planted in four seasons. Leaves heart-shaped, apex acuminate, alternately arranged, margin serrate, coarse on both sides, cilia, three veins, long stems, 18-23 leaves; stems erect, angular, green, surface ciliated, stalks Crude 1.7-2.0cm. Autumn plant growth period 84-89d, plant height 106-136cm. Head flower, terminal, total hemispherical, total bracts green, lanceolate, ciliate. Flowering, tongue-shaped, yellow, disc flower tubular, black, no pollen, disk diameter 7.1-7.5cm; torus honeycomb, the entire blade, the top is pilose, flower diameter 14.6-15.8cm, 34-48 petals, The petal is 4.6-5.0cm long and 1.7-2.2cm wide. The seed is black and smooth. The cut vase life is 10-14d. It has strong adaptability, short growing period and high yield. It can be used as a cut flower or garden landscape for planting and viewing. Cultivation techniques Suitable for open cultivation in frost-free areas, other areas in the winter to protect the simple cultivation, avoid continuous cropping. It can be planted throughout the year, and the specific sowing time is mainly determined by the time of the flowering. Cut flower density 12-150000. Hm-2; for garden landscape planting density of 9-12 thousand. Hm-2. Plug seedlings, true leaf transplanting 2 when planting. Sowing to budding stage with less watering, buds to flowering stage need sufficient water, flowers to reduce the watering maturity; pay attention to the prevention and control of pests and diseases; tongue flower bloom color cut flowers. It takes only 3-4 months from seed sowing to harvesting, and 3-4 一年 per year. Agricultural chemicals can be divided into three categories: fertilizers, Pesticides, and agricultural films. 3-Phenoxybenzaldehyde,Agrochemical Intermediates,Cas 39515-51-0 Shijiazhuang Dingmin pharmaceutical Sciences Co.,Ltd , https://www.dingminpharma.com
Chemical fertilizer is the abbreviation of chemical fertilizer, which refers to the fertilizer containing one or several nutrients required for the growth of crops made by chemical and (or) physical methods. It is mainly used to improve soil fertility and increase crop yield per unit area. The most common are nitrogen fertilizers, phosphate fertilizers, and potash fertilizers, which are chemical fertilizers that plants need more.
Pesticides refer to various sterilization, Insecticide, weed control and other drugs used to promote and protect the healthy growth of crops.
Agricultural film is mainly used for mulching cultivation technology, which makes a huge contribution to increasing agricultural production and income and producing off-season crops.