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The method of antibacterial, disease prevention, increasing efficiency and preserving seedlings in cultivation of fragrant fruit tree seedlings at seedling stage

A technology for seedlings and fragrant fruit trees, applied in fertilization methods, botanical equipment and methods, cultivation, etc., can solve the problems of restricting the output and seedling raising efficiency of fragrant fruit tree seedling production, low seedling preservation rate, and diseased and dead sprouts , to achieve the effect of controlling the growth of weeds, increasing the growth of the year, and increasing the number of cultivation

Active Publication Date: 2020-04-10
JIANGSU ACAD OF FORESTRY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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, a sowing and seedling experiment of fragrant fruit trees was carried out in the park of Jiangsu Academy of Forestry Sciences, and the provenance came from Lushan Nature Reserve in Jiangxi.

[0024] (1) Nursery selection and purification: In the park, a well-drained, loose textured, abandoned hillside slope was selected as a test nursery, and the soil texture was loam. Weeds were removed in advance, the soil was deeply plowed (depth 35cm), leveled, and a high bed was made. The dosage per mu is 30kg.

[0025] (2) Soil disinfection: use ferrous sulfate (FeSO 4 ·7H 2 O) and formalin aqueous solution are used alternately, and the soil is sterilized once in advance. Wherein, the concentration of ferrous sulfate aqueous solution is 30wt%, and the consumption per mu is 1000kg, and the form of application is watering; The concentration of formalin aqueous solution is 0.5wt%, and the consumption per mu is 30kg, and the form of application is...

Embodiment 2

[0031] From October 2015 to December 2016, the sowing and seedling experiment of fragrant fruit trees was carried out simultaneously in Xiaozhuang Xingzhi Garden, Qixia District, Nanjing City. The provenance is the same as before. Prepare the seedbed and disinfect the soil according to steps (1) to (2) in Example 1, and sow the seeds directly on the seedbed after germination. After the sowing is completed, the seedling field is thoroughly sterilized, covered with film, shaded and managed according to steps (4) and (5). After observation, the seeds began to germinate 28 days after sowing, and 40 days was the peak period of germination, but the cotyledon stage of the seedlings was as long as 65 days. On June 18, Nanjing entered the rainy season, with continuous rain, and the seedlings were still in the cotyledon stage. Some seedlings in the seedling field had wet rot and blight, and the infection rate was close to 35%. The average height of seedlings in December was 21.6cm, the...

Embodiment 3

[0033] In 2016, a sowing and seedling experiment of fragrant fruit trees was carried out in Mapishan, Jiangsu Academy of Forestry Sciences, and the provenance is the same as before. According to the steps (1)-(2) in this example 1, the seedbed was deeply plowed to improve the soil and soil disinfection treatment. After the seeds were accelerated to germination, they were directly sown on the seedbed and covered with film for sunshade. After sowing, some seeds began to germinate 32 days later, and 45 days was the peak germination period, but the cotyledon stage of the seedlings was as long as 70 days. After the seeds germinate, sterilize once every 7 days with 50 wt% carbendazim (benzimidazole No. 44) wettable powder made into an 800-fold aqueous solution. In mid-June, Nanjing entered the rainy season, with continuous rain, and the seedlings were still in the cotyledon stage. A considerable part of the seedlings in the seedling field had wet rot and blight, and the infection ra...

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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 seedling-inhibiting, disease-preventing, increasing-efficiency and seedling-preserving method for cultivating fragrant fruit seedlings, which belongs to the technical field of tree seedling breeding. Background technique [0002] Emmenopterys henryi belongs to Rubiaceae (Rubiaceae), one of the surviving relict plants of Quaternary glaciers, and a unique single-species plant in China. The materials are national second-level key protected plants and national precious tree species announced by the former Ministry of Forestry. This species is mainly distributed in deciduous broad-leaved forests or evergreen and deciduous broad-leaved mixed forests in the northern subtropical and mid-subtropical regions of my country, and often exists as an associated tree species. The trunk of the fragrant fruit tree is tall, with white flowers welcoming summer and red fruits sending autumn. The flowers are large and colorful, and are extremely ...

Claims

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Application Information

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Patent Type & Authority Patents(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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