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Method for rapidly raising high-quality 'three-current' well-bred seedlings of Carya illinoensis

A thin-shell hickory, high-quality technology, applied in the field of horticultural cultivation, can solve the problems of grafted seedlings failing to reach the nursery standard, long rootstock seedling cultivation time, and long seedling cultivation cycle, so as to reduce the probability of environmental stress and overcome container restrictions And the effect of labor-intensive management and well-developed root system

Active Publication Date: 2013-02-27
南京绿宙薄壳山核桃科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present invention mainly aims at the problems such as long rootstock seedling cultivation time, slow growth, grafted seedlings failing to reach the nursery standard and low efficiency in the process of cultivating fine varieties of hickory nuts, and provides a method for quickly cultivating hickory nuts The method of high-quality "three-dang" seedlings

Method used

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  • Method for rapidly raising high-quality 'three-current' well-bred seedlings of Carya illinoensis
  • Method for rapidly raising high-quality 'three-current' well-bred seedlings of Carya illinoensis

Examples

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Embodiment 1

[0040] A method for quickly cultivating the high-quality "three-dang" seedlings of Carya carya with thin shells, the process flow chart is as shown in Figure 1, and the specific steps are as follows:

[0041] (1) On November 5, 2010, 100,000 pecan seeds with 300mg·L -1 After soaking in the gibberellin solution for 12 hours, put them in a north-facing room for stratification and sand storage for 60 days. The temperature is kept at 5-10°C, and the seeds are turned every 10 days during this period.

[0042] (2) On February 3, 2011, put the dormancy-broken ones in batches into the plastic greenhouse electric heating hotbed, control the temperature at 25-28°C for high-temperature germination for about 40 days, and obtain sprouts in late February, and the germination rate up to 92%.

[0043] (3) On March 3, 2011, when the radicle reaches more than 5cm, use a knife to cut off the root tip of the radicle (sprout root breaking);

[0044] (4) The root-cut sprouts were planted in batch...

Embodiment 2

[0048] A method for quickly cultivating the high-quality "three-dang" seedlings of Carya carya with thin shells, the process flow chart is as shown in Figure 1, and the specific steps are as follows:

[0049] (1) On November 9, 2009, 100,000 pecan seeds with 320mg·L -1 After soaking in the gibberellin solution for 10 hours, put them in a north-facing room for stratification and sand storage for 65 days. The temperature is kept at 5-10°C, and the seeds are turned every 10 days during this period.

[0050] (2) On January 28, 2010, the dormancy-broken ones were placed in batches in electric hotbeds in plastic greenhouses, and the temperature was controlled at 25-28°C for high-temperature germination for 38 days. The sprouts were obtained in late February, and the germination rate reached 94%.

[0051] (3) On March 8, 2010, when the radicle reaches more than 5cm, use a knife to cut off the root tip of the radicle (sprout root breaking);

[0052] (4) The root-cut sprouts were pla...

Embodiment 3

[0056] A method for quickly cultivating the high-quality "three-dang" seedlings of Carya carya with thin shells, the process flow chart is as shown in Figure 1, and the specific steps are as follows:

[0057] (1) On November 2, 2010, 100,000 pecan seeds with 280mg·L -1 After soaking in the gibberellin solution for 11 hours, they were placed in a north-facing room for stratification and sand storage for 65 days, the temperature was kept at 5-10°C, and the seeds were turned every 10 days during this period.

[0058] (2) On January 25, 2011, put the stratified dormancy-broken ones into electric heating hotbeds in plastic greenhouses, and control the temperature at 25-28°C for 38 days of high-temperature germination. The sprouts were obtained in late February, and the germination rate reached 92%.

[0059] (3) On March 10, 2011, when the radicle reaches more than 5cm, use a knife to cut off the root tip of the radicle (sprouts are broken);

[0060] (4) The root-cut sprouts were ...

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Abstract

The invention discloses a method for rapidly raising high-quality 'three-current' (raising stocks, grafting and moving seedlings out of nurseries in the current year) well-bred seedlings of Carya illinoensis. The method disclosed by the invention comprises the following steps of: quickly breaking the dormancy of seeds through soaking the seeds into gibberellin, and carrying out seed stratification in a hotbed three months ahead of schedule; cutting the taproot growing points of sprout-stocks so as to carry out sprout-stock root breaking; carrying out container seedling-raising by using customized containers and a self-made matrix, placing the customized containers in a greenhouse and keeping for half a month, and after the customized containers are moved out of the greenhouse, completely burying the containers into soil; during the fast growing period of stock seedlings, daubing a gibberellin solution on the basal parts of stems, so that the ground-diameter thickening is effectively promoted, and a large number of high-quality stock seedlings meeting the requirements of grafting are raised in early July; and about 10-15 days after the grafting is successful, cutting out stock parts 1cm above graft buds, daubing gibberellin on the graft buds, and strengthening nutrient and water management, so that the graft buds grow to branches of 30-40 cm, and the heights of grafted seedlings in the current year meet the out-of-nursery standards of 50-60 cm, thereby raising a large number of healthily-growing 'three-current' well-bred seedlings of Carya illinoensis. Compared with the traditional seedling raising method, two years are shortened.

Description

technical field [0001] The invention belongs to the field of horticultural cultivation, and relates to a method for quickly cultivating high-quality "three-dang" seedlings of thin-shelled hickory nuts (cultivating anvils in the same year, grafting in the same year, and emerging from the nursery in the same year). Background technique [0002] The invention relates to the breeding technology of fine hickory seedlings. Thin-shell hickory seedlings (also known as variety seedlings) are cultivated by grafting, including three technical links: rootstock cultivation, grafting, and grafted seedling cultivation out of the nursery. [0003] The rootstock of hickory nuts generally adopts the stock, that is, the seedlings grown by sowing the seeds of mixed varieties. The seeds are generally treated with stratified sand storage in the early November of the previous winter by using the natural low temperature in winter, and sowed in the field after the ground temperature rises in mid-Ap...

Claims

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Application Information

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IPC IPC(8): A01C1/00A01G17/00A01G7/06C05G3/00
Inventor 李永荣翟敏徐迎春董凤祥刘永芝张翔
Owner 南京绿宙薄壳山核桃科技有限公司
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