Anti-bacterial, disease-preventing and synergistic seedling protection method used at emmenopterys henryi seedling raising stage

A technology for seedlings and fragrant fruit trees, which is applied in fertilization methods, botanical equipment and methods, cultivation and other directions, and can solve the problems that restrict the output and seedling raising efficiency of fragrant fruit tree seedling production, low seedling preservation rate, sprouts infected with diseases and withered. , to control the breeding of weeds, increase the growth of the year, and increase the number of cultivation.

Active Publication Date: 2018-01-09
JIANGSU ACAD OF FORESTRY
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AI Technical Summary

Problems solved by technology

If it coincides with the plum rains period in the middle and lower reaches of the Yangtze River at this time, the frequent plum rains create a suitable breeding environment for various pathogens, coupled with the fierce infestation of malignant weeds, young shoots are often infected and withered in patches, resulting in the growth of seedlings. The preservation rate is low and the quality of seedlings is not high
Therefore, diseases in the seedling stage are often the most critical limiting factors for the seedling cultivation of the fragrant fruit tree, and seriously restrict the output and seedling efficiency of the seedling cultivation production of the fragrant fruit tree

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] From October 2015 to December 2016, the sowing and seedling experiment of fragrant fruit trees was carried out in the park of Jiangsu Academy of Forestry Sciences. The provenance came from Lushan Nature Reserve in Jiangxi Province.

[0024] (1) Nursery selection and purification: Select well-drained, loose, and abandoned hillside slopes in the park as experimental nurseries, and the soil texture is loam. Weeds were removed in advance, the soil was deeply plowed (depth 35cm), leveled, and used as a raised bed, with a bed surface width of 1.2m, a walkway width of 25cm, and a bed surface 30cm higher than the walkway. The amount per mu is 30kg.

[0025] (2) Soil disinfection: ferrous sulfate (FeSO 4 ·7H 2 O) and formalin aqueous solution alternately used to sterilize the soil in advance. Among them, the concentration of ferrous sulfate aqueous solution is 30wt%, the dosage per mu is 1000kg, and the form of application is irrigation; the concentration of formalin aqueous ...

Embodiment 2

[0031] From October 2015 to December 2016, the sowing and seedling experiments of fragrant fruit trees were simultaneously carried out in Xiaozhuang Xingzhi Garden, Qixia District, Nanjing City, with the same provenance as before. According to the steps (1) to (2) in the present embodiment 1, the seedbed is prepared and the soil is sterilized, and the seeds are directly sown in the seedbed after germination. After sowing, thoroughly sterilize, cover, shade and manage the seedling fields according to steps (4) and (5). After observation, the seeds began to germinate 28 days after sowing, and the peak germination period was 40 days, but the cotyledon stage of the seedlings was as long as 65 days. On June 18, Nanjing entered the rainy season. The rain was continuous, and the seedlings were still in the cotyledon stage. Wet rot and blight appeared in some seedlings in the seedling fields, and the infection rate was close to 35%. In December, the average height of the seedlings wa...

Embodiment 3

[0033] In 2016, the sowing and seedling test of fragrant fruit trees was carried out in the Jiangsu Academy of Forestry Science and Technology. The provenance is the same as the previous one. According to the steps (1)-(2) in this Example 1, deep ploughing and soil sterilization were carried out on the seedbed, and the seeds were directly sown in the seedbed after germination, and covered with a film for sunshade. After sowing, some seeds began to germinate after 32d, and 45d was the peak germination period, but the cotyledon stage of seedlings was as long as 70d. After the seeds germinated, 50wt% carbendazim (benzimidazole No. 44) wettable powder was prepared into an 800-fold aqueous solution for disinfection once every 7 days. In mid-June, Nanjing entered the rainy season. The rain was continuous, and the seedlings were still in the cotyledon stage. Wet rot and blight appeared in quite a few seedlings in the seedling fields, and the infection rate was close to 65%. In Decem...

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PUM

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Abstract

The invention discloses an anti-bacterial, disease-preventing and synergistic seedling protection method used at an emmenopterys henryi seedling raising stage. The anti-bacterial, disease-preventing and synergistic seedling protection method comprises the steps of careful selection and purification of nursery land before sowing, sterilization before soil seedling raising, bud seedling transplantation in the early spring season, seedling field sterilization and film coverage after transplantation and slim stem strengthening at a seedling stage. For solving the technical problems of slow early-stage bud seedling growth, high disease infection rate, weed breeding and low young seedling saving rate encountered in current emmenopterys henryi seedling raising and production, the comprehensive-prevention, careful-management and unseasonal technical method for improving the seedling raising efficiency is proposed, infection of various pathogenic bacteria in the nursery land can be effectivelycontrolled, young bud browning and disease infection are prevented, moisture loss and weed breeding of soil surface are decreased, the young seedling development environment of the nursery land is improved, the disease infection rate of young seedlings is reduced, the young seedling saving rate is improved, and the method is conductive to improvement of the yield and efficiency of emmenopterys henryi seedlings cultivation.

Description

technical field [0001] The invention relates to a method for bacteriostasis, disease prevention, and efficiency enhancement of seedlings during the cultivation of fragrant fruit tree seedlings, belonging to the technical field of forest tree seedling breeding. Background technique [0002] Emmenopterys henryi belongs to Rubiaceae and is one of the surviving relic plants of Quaternary glaciers. The material is a national class II key protected plant and a national precious tree species announced by the former Ministry of Forestry. This species is mainly distributed in the northern subtropical and middle subtropical deciduous broad-leaved forests or mixed evergreen and deciduous broad-leaved forests in China, and often exists as an associated tree species. The fragrant fruit tree has a towering trunk, white flowers welcome summer, and red fruits send autumn. The flowers are large and colorful, and are extremely rare. They are suitable for garden greening, park decoration, par...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G17/00A01G13/00A01G13/02A01C21/00
Inventor 李冬林孙戴妍金雅琴孙丽娟
Owner JIANGSU ACAD OF FORESTRY
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