Seedling raising method for sowing alpine-region oil paeonia rockii fresh seeds and covering seeds with black film

Abstract

The invention relates to a seedling raising method for sowing alpine-region oil paeonia rockii fresh seeds and covering the seeds with a black film. The seedling raising method comprises the following steps: (1) picking seeds, namely in an alpine region with elevation of 1800-2500m, immediately picking yellow paeonia rockii follicle pods in the middle of August to obtain fresh pods; (2) furrowing and ridging, namely furrowing when the soil humidity is 60%-70%; (3) processing seeds, namely putting the fresh pods in a shade place for 1-2 days, removing the husks of the seeds when the pod skin is slightly softened, and cleaning the seeds with water to obtain processed seeds; (4) sowing, namely directly sowing the processed seeds in a large field, covering soil after sowing, lightly suppressing, and covering the seeds with the black film; (5) managing after sowing, namely from the last ten-day of March to the first ten-day of April in the next year, removing the black film when the ground temperature is 10 DEG C and above, shallowly tilling surface oil, weeding and sterilizing when the seedlings are 3-8cm and have three leaves in the last ten-day of May, and hoeing and loosing soil, watering, controlling plant diseases and insect pests, and heaping soil through the winter according to conventional methods. According to the seedling raising method disclosed by the invention, the cost can be effectively reduced and the emergence rate can be increased.

Description

technical field [0001] The invention relates to a method for sowing and raising seedlings of peony purpura, in particular to a seedling raising method for sowing fresh seeds of peony purpura for oil and covering them with black film in alpine regions. Background technique [0002] Peony (Latin name: Paeonia suffruticosa Andr.) is a plant of Ranunculaceae and Paeonia genus, a small perennial deciduous shrub. Small deciduous shrubs, 1-1.5 meters high; compound leaves twice or three times, leaflets often 3-5-lobed; white, red or purple flowers in early summer, solitary and large; pistils born on fleshy discs, densely covered with fine hairs. The purple spot peony (scientific name: Paeonia suffruticosa Andrews var. papaveracea (Andrews Kerner) is a variety of peony. There are deep purple spots at the base of the inner surface of the petals of purple spot peony. The leaves are two to three pinnate compound leaves, the leaflets are not divided, and the leaves are 2 to 4 l...

AI Technical Summary

Problems solved by technology

In addition, conventional purple spot peony seedlings are not strict on the time of harvesting seeds and sowing, and the time interval before and after sowing is long, resulting in less than 10% of the seeds emerging in the spring of the next year, 40% in the third year, and the emergence period is as long as 4 to 5 years. years, the seedling cycle is long, the production cost is high, and the seedlings cannot be out of the nursery and graded in time