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Cassia siamea seedling raising method for quick propagation and forestation

A kind of iron knife wood, fast technology, applied in afforestation, horticultural methods, botanical equipment and methods, etc., can solve the problems of not using large-scale promotion, difficulty in getting seedlings out of nurseries, and increased transportation costs, so as to achieve simple and feasible seedling raising methods, Significant economic benefits, reducing the effect of transportation

Inactive Publication Date: 2015-04-08
德宏傣族景颇族自治州林业局 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The cost of raising seedlings is high, and large-scale promotion is not used
At the same time, due to the difficulty in getting seedlings out of the nursery and the increase in transportation costs, it also brings certain restrictions to the promotion and planting of iron sword trees

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0032] Seedling location: Ruili City, Yunnan Province, at an altitude of 1000-1200m.

[0033] Deeply plow and harrow the sowing land, break up the soil clods, and the crushed sowing soil should pass through a sieve with an aperture of 2mm, and then spray 0.1% potassium permanganate to disinfect the soil, and arrange the seedbed so that the width of the seedbed is 1~1.2cm. Sowed on March 20, 2014, the thousand-grain weight of the seeds is 25~28g, soak and disinfect the seeds with 0.1% potassium permanganate for 2 hours before sowing, and then press 5g / m 2 The seeding rate is spread. After sowing, build a plastic shed with a light transmittance of 50% and a height of 35 cm on the seedbed for shade. After sowing, water once every 5 days to keep the moisture content of the seedbed soil at 35-40%. 32 days after sowing, when the cotyledons of the seedlings grow out, the average seedling height is ≥3cm, and the seedling emergence rate is ≥90%, they are transplanted into nut...

Embodiment 2

[0035] Seedling location: Mengdian Forest Farm, Ruili City, Yunnan Province, at an altitude of 1200-1300m.

[0036] Deeply plow and harrow the sowing land, break up the soil clods, and the crushed sowing soil should pass through a sieve with an aperture of 2mm, and then spray 0.1% chlorothalonil to disinfect the soil, and arrange the seedbed so that the width of the seedbed is 1 ~1.2cm. Sowed on March 15, 2014, the thousand-grain weight of the seeds is 27~30g, soak and disinfect the seeds with 0.1% chlorothalonil for 1.5h before sowing, and then press 4g / m 2 The seeding rate is spread. After sowing, build a plastic shed with a light transmittance of 60% and a height of 25 cm on the seedbed for shade. After sowing, water once every 4 days to keep the moisture content of the seedbed soil at 30-35%. 28 days after sowing, when the cotyledons of the seedlings grow out, the average seedling height is ≥ 3cm, and the seedling emergence rate is ≥ 90%, they are transplanted into nutr...

Embodiment 3

[0038] Seedling location: Mengxiu Forest Farm, Ruili City, Yunnan Province, at an altitude of 900-1000m.

[0039] Deeply plow and harrow the sowing land, break up the soil clods, and the crushed sowing soil should pass through a sieve with an aperture of 2 mm, and then spray 0.1% carbendazim to disinfect the soil, and arrange the seedbed so that the width of the seedbed is 1 ~1.2cm. Sowed on March 10, 2014, the thousand-grain weight of the seeds is 26~28g, soak and disinfect the seeds with 0.1% carbendazim for 3 hours before sowing, and then press 3g / m 2The seeding rate is spread. After sowing, build a plastic shed with a light transmittance of 55% and a height of 30 cm on the seedbed for shade. After sowing, water once every 3 days to keep the moisture content of the seedbed soil at 30-40%. 30 days after sowing, when the long cotyledons of the seedlings grow out, the average seedling height is ≥3cm, and the seedling emergence rate is ≥90%, transplant them into nutrient con...

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Abstract

The invention discloses a cassia siamea seedling raising method for quick propagation and forestation. The seedling raising method comprises the following steps of firstly, performing deep ploughing and thorough harrowing to crush soil, disinfecting, and arranging a seedling bed; disinfecting seeds for 1.5 to 3 hours before sowing in March, sowing the seeds according to the amount of 3 to 5g / m<2>, and building a shed for shielding light; after sowing, watering at the interval of 3 to 5 days; enabling a young seedling to grow seed leaves 28 to 32 days after sowing, transplanting when the average seedling height is greater than or equal to 3cm, and mixing 75 to 85 parts of humus soil under broad-leaved forests, 12 to 18 parts of farm organic manure and 4 to 6 parts of calcium superphosphate to form nutrient soil; after transplanting, watering at the interval of 1 to 2 days; applying 0.8-1.5% of urea nutrient solution at 10th to 15th days after transplanting, and applying again at the interval of 15 to 25 days, and removing the shed 30 to 40 days after transplanting; taking the seedlings out of a nursery garden, and planting into a forest 55 to 65 days after transplanting when the average seedling height is greater than or equal to 12cm, and the ground diameter is greater than or equal to 0.15cm. The method has the advantages that the raising time of the cassia siamea can be effectively shortened, the forest can be formed when the age of seedling is one hundred days, the seedling has strong stem and branches, and the germination is regular; during transplanting, the damage to main roots and removal of tops are not needed, the survival rate of transplanting is high, the seedling recovering period after transplanting is not needed, and the growth is quick; after the seedling is planted for one year, the average seedling height is greater than or equal to 2.5cm, and the average ground diameter is greater than or equal to 4.6cm.

Description

technical field [0001] The invention belongs to the technical field of saber wood breeding, and in particular relates to a method for rapid breeding and afforestation of saber wood seedlings. Background technique [0002] Iron knife wood ( Cassia siamen Lam) is a semi-deciduous tree species of Hemataceae. It is native to southern Yunnan and the tropical regions of South Asia and Southeast Asia. It has been introduced and cultivated in tropical regions all over the world. Iron sword wood has strong adaptability and has the characteristics of wind resistance and drought resistance. Its trunk is tall and straight and it grows rapidly. The pale yellow inflorescences open at the top of the crown during the full flowering period in autumn. It is an excellent woody flower, and it is also a pioneer tree species suitable for medium-fertility woodland and "surrounding" tree planting. In addition, iron knife wood is hard and high-quality, with rich texture changes and beautiful colo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G1/00A01G7/00A01G23/04
CPCA01G17/005Y02A40/22Y02P60/40
Inventor 杨正华王斌明雄章段洪瑞段兆梅尹安继们从宏杨丽芹杨丽莎黄静郗三旺团杨恩菊郎旺窦红佑岳海平郭兆强郭正云
Owner 德宏傣族景颇族自治州林业局
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