Hole-tray sticking culture method of tea-tree seedlings

A plug and seedling technology, which is applied in the field of tea tree seedling plug cutting and breeding, can solve the problems of great impact on the survival rate of seedling pulling, time-consuming and labor-consuming site breeding, and high cost of field management, so as to avoid spreading hazards, The effect of short seedling period and reduced consumption

Inactive Publication Date: 2010-06-30
无锡市茶叶品种研究所有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Site breeding is time-consuming and labor-intensive, field management costs are high, and the survival rate of pulling seedlin

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A 32-hole forest tray is adopted, with a diameter of 60mm, a height of 120mm, a sheet weight of 255 grams, and a specification of 545mm×280mm. The matrix includes 60 parts of peat, 38 parts of vermiculite, 2 parts of diammonium phosphate, the pH value of the matrix is ​​5.25, and the content of organic matter is 15%, the content of total nitrogen is 4g / kg, the content of total phosphorus is 2g / kg, the content of total potassium is 3g / kg, hydrolyzed Nitrogen content 3000mg / kg, P 2 o 5 Content 300mg / kg, K 2 O content 450mg / kg, saturated water content 225%, matrix capacity 0.300g / cm 3 , specific gravity 2% g / cm 3 , The total porosity is 83%. Cuttings are made from the semi-lignified one-bud and one-leaf branches of the Fuding Dabai tea tree variety. Regular cuttings. Cutting 1 to 2 cuttings per hole. Cutting season is June. During the whole seedling stage, the temperature is controlled at 10 degrees during the day and 5 degrees at night. Humidity range 60%. In Fe...

Embodiment 2

[0015] 32-hole forest tray, diameter 60mm, height 120mm, piece weight 255g, size 54×280mm. The substrate is 75 parts of peat, 31 parts of vermiculite, 2 parts of diammonium phosphate, the pH value of the substrate is 6.0, the content of organic matter in the substrate is 20%, the content of total nitrogen is 3g / kg, the content of total phosphorus is 3g / kg, and the content of total potassium is 2g / kg. Hydrolyzed nitrogen content 2500mg / k, P 2 o 5 Content 200mg / kg, K 2 O content 300mg / kg, saturated water content 150%, matrix capacity 0.225g / cm 3 , specific gravity 3% g / cm 3 , The total porosity is 70%. Cuttings are made from the semi-lignified one-bud and one-leaf branches of the Fuding Dabai tea tree variety. Regular cuttings. Cutting 1 to 2 cuttings per hole. Cutting season is June. During the whole seedling stage, the temperature is controlled at 28 degrees during the day and 25 degrees at night. Humidity range 85%. In February of the following year, the seedlings w...

Embodiment 3

[0017] 32-hole forest tray, diameter 60mm, height 120mm, piece weight 255 grams, size 545mm×280mm. The matrix includes 67.5 parts of peat, 23 parts of vermiculite, and 2 parts of diammonium phosphate. Hydrolyzed nitrogen content 2000mg / kg, P 2 o 5 Content 100mg / kg, K 2 O content 600mg / kg, saturated water content 300%, matrix capacity 0.150g / cm 3 , specific gravity 2.5% g / cm 3 , The total porosity is 95%. Cuttings are made from the semi-lignified one-bud and one-leaf branches of the Fuding Dabai tea tree variety. Regular cuttings. Cutting 1 to 2 cuttings per hole. Cutting season is June. During the whole seedling stage, the temperature is controlled at 19 degrees during the day and 15 degrees at night. Humidity range 73%. In February of the following year, the seedlings were trained according to the weather conditions, and the nursery was released in March. The whole seedling period is 9 months.

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Abstract

The invention relates to a hole-tray sticking culture method of tea-tree seedlings, which can shorten the deliver time of tea seedlings and has high transplantation rate of the tea seedlings with a substrate. In the invention, a 50-hole forest hole tray or a 32- hole forest hole tray is adopted, and the substrate comprises 60-75 percent of peat, 23-38 percent of vermiculite and 2 percent of diammonium phosphate. The method comprises the following steps of: adopting new-grown semi-lignified twigs as cuttings; conventionally sticking the cuttings; sticking 1-2 cuttings in each hole; culturing at controlled temperature and controlled moisture; and when the seedlings are higher than 5cm, hardening the seedlings for 1 month according to practical weather conditions until the seedlings are higher than 80cm, the ground diameter is larger than 2cm, the number of primary side roots is more than 10, and the root volume is larger than 3cm<3>. The method has short seedling period, not only reduces the consumption of soil resource but also avoids the propagation danger of soil-borne pathogens by the seedlings because of adopting soilless culture, and has high tea seedlings yield rate.

Description

technical field [0001] The invention relates to the technical field of crop seedling breeding, in particular to a method for tea tree seedling plug cutting breeding. Background technique [0002] Tea tree seedling breeding is an important material necessary for the development of new tea gardens, the transformation of low-yield tea gardens, and the renewal and improvement of tea tree varieties in sexual populations. Most of the existing clonal tea tree seedling breeding adopts cutting breeding. It takes more than 18 months for the tea seedlings to emerge from the cutting breeding nursery, and the land use economic cycle of the tea seedling breeding nursery is two years, which is a long cycle. Site breeding is time-consuming and labor-intensive, and field management costs are high. The survival rate of seedlings pulled out is greatly affected by the transportation process and planting process, and the survival rate changes greatly after planting. Contents of the invention ...

Claims

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Application Information

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IPC IPC(8): A01G1/00A01G31/00A01G31/02
CPCY02P60/21
Inventor 汤茶琴
Owner 无锡市茶叶品种研究所有限公司
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