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Method for hydroponics seedling raising of arrowheads

A technology of water layer and slag water, applied in the field of cultivating seedlings in Cigu water, can solve the problems of prominent seasonal contradiction of stubble, serious diseases at seedling stage, low multi-cropping index, etc., and achieves the reduction of diseases such as smut, developed root system and fast tillering speed. Effect

Active Publication Date: 2018-10-19
FUJIAN AGRI & FORESTRY UNIV +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method is not only time-consuming and labor-intensive, but also often has problems such as serious seedling diseases, prominent stubble season conflicts, and low multiple cropping index.

Method used

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  • Method for hydroponics seedling raising of arrowheads

Examples

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Comparison scheme
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Embodiment 1

[0023] A method for cultivating seedlings in water, comprising the following steps:

[0024] (1) Disinfection of terminal buds: cut the terminal buds of Sagittarius, preferably, cut them at the first ring of the bulbs of Sagittarius, and immerse the terminal buds in 700-1000 times liquid carbendazim disinfectant for 30-45min;

[0025] (2) Cultivate seedlings in water: evenly spread the terminal buds treated in step (1) in the hydroponic pond, keep the water layer 2-5cm, after growing for 5-10 days, add nutrient solution, keep the water layer 8-15cm, Transplanting can be carried out after 25-30 days.

[0026] The nutrient solution in the step (2), in terms of per liter of the nutrient solution, the nutrient solution is mainly made of the following raw materials: 6-benzylaminopurine 1mg, IBA20mg, ammonium nitrate 400mg, calcium nitrate 350mg, potassium nitrate 320mg , ferric sulfate 300mg, copper sulfate 180mg, nicotinic acid 80mg, manganese dioxide 8mg and boric acid powder 15...

Embodiment 2

[0028] The difference between this embodiment and Example 1 is that the nutrient solution in step (2), in terms of per liter of the nutrient solution, is mainly made of the following raw materials: 3 mg of 6-benzylaminopurine, 30 mg of IBA, Ammonium nitrate 430mg, calcium nitrate 330mg, potassium nitrate 310mg, iron sulfate 350mg, copper sulfate 190mg, nicotinic acid 70mg, manganese dioxide 10mg and boric acid powder 13mg; the pH value of the nutrient solution is 6.0, adding hydrochloric acid solution and / or hydrogen The sodium oxide solution adjusts the pH value of the nutrient solution to 6.0.

Embodiment 3

[0030] The difference between this embodiment and Example 1 is that the nutrient solution in step (2), in terms of per liter of the nutrient solution, is mainly made of the following raw materials: 6mg of 6-benzylaminopurine, 60mg of IBA, 450mg of ammonium nitrate, 300mg of calcium nitrate, 300mg of potassium nitrate, 400mg of iron sulfate, 200mg of copper sulfate, 50mg of nicotinic acid, 12mg of manganese dioxide and 10mg of boric acid powder; the pH value of the nutrient solution is 6.2. Add hydrochloric acid solution and / or sodium hydroxide solution to adjust the pH value of the nutrient solution to 6.2.

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Abstract

The invention discloses a method for hydroponics seedling raising of arrowheads, including the following steps: (1) top bud disinfection: the top bud of an arrowhead is cut and the top bud is immersedin disinfectant for 30 to 45 minutes; (2) hydroponics seedling raising: the top bud after step (1) treatment is evenly distributed in a slag water culture pond; a water layer is kept at 2 to 5 centimeters; after 5 to 10 days of growth, nutrient solution is added and the water layer is kept at 8 to 15 centimeters; transplants can be carried out after 25 to 30 days. In the method for the hydroponics seedling raising of the arrowheads, hydraulics arrowhead seedlings can save labor, facilitate management and break through seasonal restrictions to quickly provide age-appropriate, robust and non-toxic seedlings and shorten time for vegetable farmers to engage in the production of the arrowheads. The hydraulics seedlings of the arrowheads have more vigorous growth and developed roots. Diseases such as powdery mildew have been significantly alleviated. A root system is isolated from soils, thereby being capable of avoiding various soil-borne diseases and soil disinfection. The hydraulics seedlings of the arrowheads do not need to replace the nutrient solution halfway. The robustness of the seedlings is higher than the robustness of the seedlings in common seedling raising methods. The developed root system has strong adaptability to hydroponics. The tillering speed is fast. The grow-seedling stage is short with 25 to 30 days.

Description

technical field [0001] The invention relates to the field of sagittarius cultivation, in particular to a method for water-cultivating seedlings of sagittarius. Background technique [0002] Sagittarius, monocot, Alismaceae. Perennial emergent plants. The plants are tall. The leaves are clustered, with many roots at the base. Slender stolons grow near the roots, and after autumn, the stem ends expand to form corms with a diameter of 3-5 cm. During the whole growth process of Arrowhead Arrowhead, raising seedlings is often a complicated and labor-intensive process, and it is also an important part of growth. Cultivating strong seedlings can lay a good foundation for the growth of Arrowhead Arrowhead in the field. Traditional seedling cultivation adopts the method of cutting bulbs or terminal buds in the soil. After selecting a seedling field with good water retention, deep plow and level the land, and use the bulbs or terminal buds on the bulbs to cut them into the soil ac...

Claims

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Application Information

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IPC IPC(8): A01G31/00C05G3/00
CPCA01G31/00C05C1/00C05G3/00C05G5/23C05C5/02C05C5/04C05D9/02C05F11/10
Inventor 林志城高美萍
Owner FUJIAN AGRI & FORESTRY UNIV
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