How to choose the Imperial Valley seed? What are the methods of raising seedlings?

Imperial Valley, also known as pearl millet and candle paspalum, is also called ornamental millet by horticulturists because it looks like millet planted in our country. Yugu has a great adaptability to warm and hot conditions, and the annual average temperature in the original area is 23 ℃. It belongs to high temperature plant in temperature ecological type. After being introduced into China, the growth is particularly luxuriant in warm and rainy areas, with strong regeneration and high biomass. So how to choose the Imperial Valley seed? What are the methods of raising seedlings? Next, let's have a look with the editor.

First, how to choose the Imperial Valley seed?

The seeds with purity ≥ 95%, purity ≥ 98%, germination rate ≥ 80% and water content ≤ 8% should be selected for planting Yugu, and the seeds must not be aged after two years, which will affect the emergence rate of Yugu. The Yugu seeds were stored in a cool and dry place, and the thickness of the soil on the surface of the seeds after sowing was 1-2 times of the seed diameter.

Second, what are the seedling raising methods of Yugu?

1. Seed breeding

The seedlings of ornamental millet are generally raised by seeds, which are divided into two methods: direct seeding and seedling transplanting. Direct seeding is often carried out in a pot. According to the size of the pot, one hole, three or five holes per pot, sowing seeds in each hole, then covering soil with 1cm or so, (covering soil is too thick, needles are difficult to unearth, soil cover is too thin, seedlings are easy to lodge), and then sprinkle enough sowing water.

2. Seedling raising method

Seedling raising is often carried out in checkered seedling plates or small plastic pots, and the seedling substrate should be loose and fertile, often mixed with vegetable garden soil, peat soil and rotten leaf soil. Sow 2-3 seeds in each grid or pot, then sift on a layer of fine sand or rare earths, and finally spray the substrate with a fine-eye spray can. The seedlings will emerge after sowing for 5 to 7 days, transplant and transplant at the height of 6~8cm, the ears will emerge at 50 to 60 days after planting, blossom at 30 to 40 days after heading, and the seeds will mature at 25 to 30 days after fruitation. from sowing to harvesting the seeds, a harvest period is about 110 to 120 days.

3. Seedling stage management

The seedlings of ornamental millet are often planted in the center of the flower bed, on both sides of the flower border and in the street garden, as well as in community green space, garden edges, large-scale potted plants and so on. The planting site should be weeded, loosen the soil and dig holes. The size of the hole is determined according to the size of the seedling bowl and the number of soil masses carried. Generally, the length, width and depth of the hole is 12~15cm, and the distance from the hole is 40~50cm. Planting is not to let the soil mass or persistent soil loose, the planting should not be too deep or too shallow, the soil mass noodles should be flush with the surface, and then the broken fine soil should be filled in layers. The seedlings should be righted and compacted, and finally poured enough water to keep the soil moist after survival.

The above is the introduction of the imperial valley, the stems, leaves and ears of the imperial valley are wheat green when they are young, and then gradually become wheat purple, pink purple, purple ink, dark purple and other colors, bright and beautiful, very ornamental. In addition, the young stems and leaves of Yugu can be used as fodder, and the seeds can be used as grain and wine, so the application prospect is very broad.

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