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Screening method of high-quality morchella conica strains

The technology of a kind of peak Morchella and a screening method, which is applied in the field of screening high-quality strains of the peak Morchella, can solve problems such as unstable yield, and achieve the effects of solving unstable yield, close to individual growth speed, and fast mycelial growth speed.

Inactive Publication Date: 2014-07-16
云南省农业科学院高山经济植物研究所
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Problems solved by technology

At present, there are a lot of studies on morel apex, mainly focusing on the field of cultivation technology and biological characteristics. The applicant is one of the earlier departments in the study of morel apex. There is a problem of unstable output in the production. We have evaluated the yield of M001 morels planted in 2006-2008. In 2006, the yield per mu of morels was 62.57kg. The yield per mu of morel mushrooms was 49.51kg, and the yield per mu in 2007 and 2008 was 13.19% and 20.87% lower than that in 2006, respectively. We have done relevant experimental research and found that the pros and cons of strains are closely related to the stable yield of morels in the future. Therefore, based on many years of research experience, the present inventor has summed up a screening method for high-quality strains of Morchella apexus, which provides important technical support for the stable and high yield of Morchella apexus

Method used

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  • Screening method of high-quality morchella conica strains

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Embodiment Construction

[0021] Randomly collect 20 morel strains, and number them as M001, M002, M003...M020.

[0022] see figure 1 , individual strain length: the length L from the top outer edge of the bacterial strain cap to the bottom outer edge of the strain stipe is the individual strain length.

[0023] Cap length: the length LC from the top outer edge of the bacterial strain cap to the bottom outer edge of the bacterial strain cap is the cap length.

[0024] Step (1), four-level elimination screening of the individual size, external shape and color, and sporulation ability of the parents

[0025] ①Strain individual size screening

[0026] The collected morel strains free from diseases and insect pests are divided into three grades according to the individual size: 10 cm ≤ strain individual length L ≤ 15 cm is the first grade, 5 cm ≤ strain individual length L < 10 cm is the second grade, and the individual strain If the length L<5cm is classified as the third grade, the third grade will b...

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Abstract

The invention provides a screening method of high-quality morchella conica strains, which comprises screening of strain individual size, pileus morphology and color, stipe morphology and color, spore color and quantity four-level step-by-step elimination and sclerotion generative capability. The strains which are not eliminated are inoculated into a PDA culture medium to be subjected to screening of mycelial growth speed, sclerotium generating time and sclerotium generating quantity, so as to obtain the high-quality morchella conica strains. After being planted, the high-quality strains obtained by using the method are rapid in growth speed and are harvested after fruiting for 7-10 days, the generated morchella conica strains are large in individual size, perfect in appearance, the yield of fresh strains can reach more than 80kg / mu and is stable. The difference of the yields of the high-quality strains screened by using the method is maximally less than 5% in continuous three years, so as to solve the technical problem that the yield of current morchella conica is unstable in industrialized development.

Description

technical field [0001] The invention relates to a method for screening high-quality strains of Morchella apex. Background technique [0002] Pointed morels ( M. conica) for the Morchella genus ( Morchella spp.), the ascocarp is medium-sized, the head is conical, and the apex is pointed. Morchella apex is widely distributed in my country, mainly in Yunnan, Gansu, Sichuan and other places. Because of its perfect body and large size, morel apex is one of the main varieties exported as morel. At present, there are a lot of studies on morel apex, mainly focusing on the field of cultivation technology and biological characteristics. The applicant is one of the earlier departments in the study of morel apex. There is a problem of unstable output in the production. We have evaluated the yield of M001 morels planted in 2006-2008. In 2006, the yield per mu of morels was 62.57kg. The yield per mu of morel mushrooms was 49.51kg, and the yield per mu in 2007 and 2008 was 13.19% and...

Claims

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Application Information

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IPC IPC(8): C12N1/14A01G1/04C12R1/645
Inventor 戚淑威徐中志赵琪陈翠侯志江程远辉和琼姬杨少华
Owner 云南省农业科学院高山经济植物研究所
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