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Tilia miqueliana seedling raising method

A seed and seed bag technology, which is applied in the fields of seed and rhizome treatment, fertilizer mixture, germination equipment, etc., can solve the problems of poor natural regeneration ability, unreasonable over-utilization, low survival rate of seedlings, etc. Sleep process, improve the effect of germination rate

Active Publication Date: 2013-06-26
西藏珠峰华绿生态农业科技有限公司
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Problems solved by technology

However, due to the deep dormancy characteristics of Nanjing linden seeds, poor natural renewal ability, and long-term unreasonable overuse by humans, this tree species is already facing an endangered state and has been listed as a national second-class rare and endangered plant.
[0003] After many years of research, a method to quickly release its dormancy has been found, so that the germination time is shortened from the original 3 to 5 years to 60 days, such as (Wang Yinhua, Research on the Dormancy Mechanism of Nanjing Tilia Seeds, "Nanjing Agricultural University Papers", 2007), but even if the seeds were released from dormancy, the survival rate of germinated seedlings was low, and the uniformity after emergence was uneven

Method used

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Experimental program
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Embodiment

[0020] A method for raising seedlings of Nanjing Tilia, comprising the following steps:

[0021] (1) collect ripe Nanjing Linden seeds, the seed purity is 95%, the thousand-grain weight of the seeds is 380g, and the seed water content is 9%;

[0022] (2) Spread the collected seeds in a ventilated and cool place, dry in the shade for 15-20 days, soak the seeds in 0.5% potassium permanganate solution for 50-55 minutes for disinfection, and then use 60-70°C hot water Soak for 4-6 hours, rinse the seeds with clean water after natural cooling to remove disinfectant residues and seed extracts;

[0023] (3) Multi-substrate variable temperature stratification treatment: then use river sand, vermiculite, perlite and seeds to mix evenly, and then evenly spray plant growth regulators, then put them into seed bags, and put the seed bags in a 24-26°C After cultivating in the incubator for 4 days, take out the seed bag, add water and mix well, then put the seed bag in the incubator at 6-8...

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Abstract

The invention discloses a Tilia miqueliana seedling raising method, which includes seed collection, drying in the shade, soaking, multi-substrate variable temperature stratification and transplanting. Seedlings of Tilia miqueliana raised by the method break through dormancy in about 50 days, are high in survival rate and emergence percentage, and have developed roots.

Description

technical field [0001] The invention relates to a method for raising seedlings of Nanjing Tilia. Background technique [0002] Nanjing Tilia ( Tilia miqueliana Maxim1.) A deciduous tree with a height of 20m, belonging to the genus Tiliaceae. It is produced in the provinces of East China, eastern Hunan, and Guangdong, and grows in hillsides and ravine forests. The wood can be used as agricultural tools and furniture, etc.; the stem bark fiber can be used to make rayon, and it is also an excellent raw material for papermaking. The linden tree has beautiful leaves, quiet posture, full of yellow flowers in summer, and strong fragrance. It can be used as a shade tree, a street tree, and an excellent nectar source plant. Linden is one of the four major street trees in the world. However, due to the deep dormancy characteristics of Nanjing Tilia seeds, poor natural regeneration ability, and long-term unreasonable overuse by humans, this tree species is already facing an endanger...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01G9/10A01C1/00A01C1/02C05G3/00
Inventor 殷浩金
Owner 西藏珠峰华绿生态农业科技有限公司
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