Spraying agent for promoting liquidambar formosana hance leaves to change color
A technology for spraying agents and leaves, applied in biocides, animal repellents, plant growth regulators, etc., can solve the problems of poor discoloration effect, unstable discoloration, and restriction of landscape functions in liquidambar forest stands, so as to improve the ornamental value , simple preparation and use method, bright red ornamental effect
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[0017] A spraying agent for promoting the discoloration of liquidambar leaves. The raw material components and content of the spraying agent are 100 mg / L abscisic acid + 6 mmol / L citric acid + 4 mmol / L salicylic acid + 200 mg / L sucrose.
[0018] The preparation method of described spraying agent is:
[0019] Step 1, weighing, weighing each component according to the following requirements, abscisic acid 100mg, citric acid 6mmol, salicylic acid 4mmol, sucrose 200mg, the balance is water, and the total volume of the above is 1L;
[0020] Step 2, mixing, mixing and dissolving weighed abscisic acid, citric acid, salicylic acid and sucrose in water to prepare the spraying agent.
[0021] The method of using the spraying agent: from mid-October to late December, every 10-15 days, in the weather without rain, spray at 16:00-18:00, put the spraying agent into After the mist applicator, evenly spray the leaves of the sweetgum seedlings, and spray each time until the leaves are drippin...
experiment example 1
[0023] 1. Test material
[0024] The test materials were 3-year-old sweetgum seedlings with consistent growth and good growth, and their provenance was Batou Township, Debao County, Baise City, Guangxi.
[0025] 2. Experimental design
[0026] The experiment was conducted from October 15, 2020 to January 25, 2021 at the scientific research nursery base of Guangxi Academy of Forestry Sciences. The test is divided into two stages. The first stage is the leaf spraying test. When the spraying concentration is 0 and the leaves change color by nearly 50%, the spraying test will be stopped. The test time of this stage is: 2020 From October 15th to December 25th, 2021, the test factors included four kinds of abscisic acid (A), citric acid (B), salicylic acid (C), and sucrose (D), and each factor had four levels (Table 1). 1), choose L 16 (4 5 ) table for orthogonal design (Table 2). Each treatment of 10 liquidambar seedlings, every 10-15 days, under the weather without rain, even...
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