Method for finely selecting erigeron breviscapus seeds and method for sowing erigeron breviscapus seeds

Abstract

The invention provides a method for finely selecting erigeron breviscapus seeds and a method for sowing the erigeron breviscapus seeds, and belongs to the technical field of plantation of erigeron breviscapus. The method for finely selecting the erigeron breviscapus comprises the following steps: (1) putting the erigeron breviscapus seeds into a mechanical hair-removal device, and carrying out hair removal, so as to obtain hair-removed seeds; (2) carrying out air separation on the hair-removed seeds, and collecting plump seeds; and (3) sieving the collected plump seeds, so as to obtain finely-selected seeds, wherein the mechanical hair-removal device is cylindrical, a nylon wire hairbrush connected with a motor is arranged in the mechanical hair-removal device, and penetration holes are formed in the inner wall of the mechanical hair-removal device. According to the method for finely selecting the erigeron breviscapus seeds, the erigeron breviscapus seeds are subjected to mechanical hair removal and are subjected to comprehensive impurity removal through air separation, and the finely-selected seeds are sowed in a seed suspension manner, so that uniform sowing and orderly sproutingare guaranteed.

Description

technical field [0001] The invention belongs to the field of scutellaria planting technology, in particular to a method for selecting and sowing scutellaria breviscapus seeds. Background technique [0002] Erigeron breviscapus (Vant.) Hand.-Mazz., also known as Erigeron breviscapus, is a traditional Chinese medicinal material widely used in the prevention and treatment of cardiovascular and cerebrovascular diseases. Erigeron breviscapus uses seeds (ie achene) as the main propagation material in production, and there are three main problems in using seeds to raise seedlings: one is that the seed clarity is low, and the clarity after harvest is usually lower than 50%. When picking seeds, all the seeds on an inflorescence are usually collected, and besides mature seeds (full seeds), there are also a large number of pappus, unfull seeds and unopened tubular flowers, etc., among which pappus accounts for more than 20% of the total mass , unopened tubular flowers and unfulfilled ...

AI Technical Summary

Problems solved by technology

Erigeron breviscapus uses seeds (ie achene) as the main propagation material in production, and there are three major problems in using seeds for seedling cultivation: one is that the seeds have low cleanliness, and the postharvest cleanliness is usually lower than 50%.

Second, the seeds are small and difficult to sow evenly

The seeds of Erigeron breviscapus are small and light, with a length × width of about 2mm × 0.7mm, and a thousand-grain weight of about 0.2g. The seeds of Erigeron breviscapus also have a large number of pappus. When sowing, the seeds stick together, resulting in dense and uneven emergence

Third, the emergence of seedlings is irregular

Because breviscapus is a capitulum, the tubular flowers in one inflorescence mature one after another to form seeds, the maturity of the same batch of seeds is inconsistent, and the untreated seeds emerge irregularly after sowing, which brings difficulties to seedling management

[0003] Existing methods such as rubbing and beating to break the pappus of Erigeron breviscapus seeds, and then using steps such as sieving, water selection, and winnowing to remove the pappus, are cumbersome to operate and low in efficiency. Mildew

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