A method for determining the optimum harvest period of Luzhou-flavored lotus

Abstract

The invention discloses a method for determining the optimum harvesting period of lotus with strong-flavor perfume, which comprises the following steps: 1) observing the flowering phenology period of lotus with strong-flavor perfume, and dividing the flowering period into four periods, flower bud stage S1 and initial flowering stage S2 , full flowering stage S3 and final flowering stage S4; 2) Under natural light, the petals of the strong fragrance lotus flower in the full flowering stage are fully unfolded, the sepals and the first round of petals are unfolded at 160°~180°, all the stamens are visible, and the petals and The stamens are all golden yellow, and it is determined that the perfume lotus is in the best harvesting period; it also includes 5 auxiliary detection methods, which are: determination of flower color indicators, growth indicators, floral fragrance components, and protective enzyme activities in the flowering period of the perfume lotus. And observe the microstructure of the secretion of aroma substances in the lotus perfume, and determine the best harvest period through the above-mentioned visual morphological observation combined with 5 auxiliary detection methods. The operation is convenient and the result is reliable. It can provide technical support for its scented tea production and aromatic essential oil extraction. It has very good practical application value.

Description

technical field [0001] The invention relates to the technical field of planting ornamental plants, in particular to a method for determining the optimum harvest time of a strong fragrance type perfume lotus. Background technique [0002] Perfume lotus (Nymphaea hybrid), rich in color, has nine colors such as yellow, purple, blue, red, and white; different flower colors of perfume lotus have different fragrances, from light fragrance to strong fragrance, so people also call perfume lotus "nine products". Xianglian". At a suitable temperature, Perfume Lotus can bloom all year round, not only as high-quality high-grade fresh cut flowers and important ornamental aquatic flowers, but also as potted plants or garden landscaping; because of its rich flavonoids, polysaccharides and polyphenols, Medicine, food, perfume, cosmetics and other fields also have great practical value. It is a natural flavor and fragrance plant. Perfume lotus, as a multifunctional aromatic aquatic flower,...

AI Technical Summary

Problems solved by technology

[0003] At present, in the fields of scented tea production and essential oil extraction, the main choice is the strong-scented perfume lotus, especially the 'yellow flower type' perfume lotus is the most popular, and the main parts used are the flowers of the perfume lotus; and the flowers of the perfume lotus are picked At present, because the best harvest period cannot be determined, people often pick the flowers as soon as they see them. Therefore, the quality of the harvested perfume lotus flowers is uneven, and the processed products, such as scented tea or essential oils, have no uniform quality. Raw materials are lost, and the quality of the product is greatly affected

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