Artificial planting method of wild conyza blinii Levl.
A planting method and technology of golden gentian, applied in the fields of botanical equipment and methods, plant cultivation, seed and rhizome treatment, etc., can solve the problems of small quantity, destruction of resources, and the inability of production to meet market demand, etc., and improve the vitality of seeds. , the effect of increasing the number of available seedlings and improving the germination rate
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Embodiment 1
[0043] The present embodiment provides a kind of artificial planting method of wild wild golden gentian, comprising the following steps:
[0044] (1) Seedlings can be sown in open boxes on seedbeds, or can be sown in nutrient trays in greenhouses.
[0045] a. Sowing time: autumn sowing (August ~ October), spring sowing (beginning of spring ~ rain).
[0046] b. Seedbed land arrangement for plastic sheds: choose sheltered, sunny, slightly higher terrain, loose soil; close to water sources, capable of irrigation and drainage, and convenient for management as seedbed land. Turn the kang soil 15 days before sowing, and apply an appropriate amount of organic fertilizer, per mu (667m 2 ) Spread 1000Kg of decomposed compost or manure, sterilize the seedbed soil with 500-1000 times carbendazim or dexamethasone, and then open the box along the north-south direction, with a width of 1.1m.
[0047] c. Preparation of nursery soil in nutrient tray greenhouse: One week before seedling cult...
Embodiment 2
[0075] The dry matter weight and saponin content of plants at different growth stages were measured to determine the best harvesting time.
[0076] (1) Dry matter accumulation and distribution are shown in Table 1. From the perspective of growth cycle, the dry matter accumulation rate of Gentiana gentiana at seedling stage is very slow. As shown in ﹟11 in Table 1, the seedling height was 6.0cm at 55 days, the leaf age was 9.0 leaves, the dry weight per plant was only 0.057g, and the dry matter accumulation rate per plant was 0.001g / day. At this time, dry matter was mainly stored in leaves as structural or non-structural carbohydrates, accounting for 85.96%. The growth time of ﹟12 was 79 days, the dry weight per plant was 0.148g, the dry matter accumulation rate per plant was 0.002g / day, and the distribution ratio of dry matter in leaves was lower than that of ﹟11, which was 75.6%. From the beginning of bolting, the accumulation of dry matter accelerated, and the growth time o...
Embodiment 3
[0089] In order to improve the germination rate of seeds, we conducted seed treatment trials to determine the best seed treatment method. The germination process of seeds is divided into three stages: imbibition, germination and germination. Normally (the temperature is around 20°C and the water is saturated), 2 days after sowing, the seeds will absorb water up to 150% of their own weight, the seed epidermis will flatten, and the wrinkles will disappear. After imbibition, the seed radicle elongates, breaks through the seed coat, and exposes the white root tip, which is the completion of the germination stage. This stage takes about 3 days. After that, the embryo continues to grow, and the germ breaks through the seed coat, and the germination process is completed, which takes about 6 days in total.
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