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Drought resisting coating composite, coating seed and coating method of tree seeds

A seed and coating technology, applied in the fields of botanical equipment and methods, seed coating/seed dressing, pest control, etc., to achieve the effect of improving germination rate, improving soil environment, and ensuring health

Inactive Publication Date: 2012-12-12
BEIJING FORESTRY UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in arid and semi-arid areas, due to low rainfall, large evaporation, dry land, and poor soil, the tree species that can survive afforestation will not grow large, and those that can grow will not live well. The survival rate and seedling rate are relatively low. The species is scarce, the building species is single, and the crisis of ecological balance is becoming increasingly prominent

Method used

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  • Drought resisting coating composite, coating seed and coating method of tree seeds
  • Drought resisting coating composite, coating seed and coating method of tree seeds

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] Embodiment one tree seed drought-resistant coating

[0015] Take by weighing 200g Chinese pine or arborvitae seeds, according to solid content and seed weight ratio 1: 1, lanthanum nitrate (LaNO 3 ), rooting powder, aspirin, water-retaining agent, carboxymethyl chitosan, and bentonite each account for 0.5%, 0.015%, 0.0015%, 3%, 6%, and 90.4835% by weight. After each material was mixed, it was evenly divided into 10 equal parts, and at the same time, a mixed solution with a concentration of 3 volume % hydrogen peroxide and 2 weight % sodium carboxymethyl cellulose was prepared. Then, put the seeds into the reaction kettle, add 5-7ml of a mixed solution of 3% by volume hydrogen peroxide and 2% by weight of sodium carboxymethyl cellulose to soak the seeds, then add the first powder, and add the liquid phase after 1-2 minutes. Substance 3ml, then add the second powder ..., after 10 times, the seed coating is completed.

[0016] Subsequently, 3ml of a prepared mixed soluti...

Embodiment 2

[0018] Potted experiment in embodiment two greenhouses

[0019] In the experiment, the bare plant was used as the control, and the local loess of Beijing was used as the substrate, and the potted plant was adopted. First, dry the soil until the relative water content is 0%, put it into a 1kg pot quantitatively, then add water according to the pot weight to make it reach three water contents of 5%, 10%, and 15%, and plant the seeds to be tested at a depth of 0.5-1.0 cm, repeat 3 pots in each group, sow 15 seeds in each pot, weigh the pots every day thereafter, replenish water quantitatively, and observe the germination situation.

[0020] The simulated drought resistance experiment is a good way to test the drought resistance coating effect of seeds. The present invention verifies the drought resistance efficiency of two kinds of coated seeds of Pinus tabulaeformis and Arborvitae through the above experiments. Significantly improved, the root-to-shoot ratio of the seedlings wa...

Embodiment 3

[0023] Field sowing experiment in embodiment three arid regions

[0024] Random block design was used to sow on-the-spot in the sunny slope, semi-sunny slope and shady slope of the Hejiagou watershed in Wuqi County, Shaanxi Province. Each treatment was sown in 10 holes, with 3 plants in each hole, and the spacing between plants and rows was 30cm×50cm. Pinus tabulaeformis was used as the tree species to be tested. After sowing, each hole was covered with grass. Through practice tests, coated seeds and their seedlings are significantly better than uncoated seeds (see Table 3).

[0025] Table 3 Germination rate of coated seeds in field sowing

[0026]

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Abstract

The invention relates to a drought resisting coating composite, coating seeds and a coating method of tree seeds. Carboxymethyl chitosan, plant growth regulator, bentonite and water-retaining agent are used in combination, thus promoting rapid germination and survival of the tree seeds, significantly improving the survival rate of seedling and ensuring the strength of seelding.

Description

technical field [0001] The invention relates to a forest tree seed drought-resistant coating composition, coated seeds and a seed coating process. Background technique [0002] At present, coated crop seeds are not uncommon and have become the mainstream of the crop seed market, while forest tree seed coating is still relatively rare at home and abroad. However, as vegetation construction is gradually valued by human beings, the construction of "forest tree seed project" is bound to be put on the agenda, especially in some areas with poor site conditions, to carry out live afforestation, and to cultivate seedlings with different stress resistance through coating technology It will provide strong technical support for vegetation restoration and construction. Over the years, the state has invested huge manpower and material resources to carry out a series of ecological vegetation construction and achieved remarkable results. However, in arid and semi-arid areas, due to low ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A01N25/00A01N59/16A01N37/40A01P21/00A01C1/06
Inventor 朱清科赵磊磊聂立水张岩苟丽晖王蕊张金香武亚静秦伟刘中奇李萍卜楠
Owner BEIJING FORESTRY UNIVERSITY
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