Seedling culture method for improving adaptability of large-fruit type Vaccinium blueberry variety

A highbush blueberry, adaptive technology, applied in the direction of botanical equipment and methods, applications, horticulture, etc., can solve the problems that have not been seen, and achieve the effect of improving ecological adaptability

Inactive Publication Date: 2015-06-03
ZHAOQING UNIV +1
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Problems solved by technology

[0005] At present, there are only a few scientific research reports on blueberry grafting at home and abroad, using the mortarberry (Vaccinium arboretum L.) naturally distributed in the southern United States and

Method used

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  • Seedling culture method for improving adaptability of large-fruit type Vaccinium blueberry variety
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  • Seedling culture method for improving adaptability of large-fruit type Vaccinium blueberry variety

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Embodiment Construction

[0025] The following describes in detail the grafting and breeding method of using blueberries as rootstocks to improve the adaptability of large-fruited northern highbush blueberry varieties in subtropical regions.

[0026] Rootstock and scion varieties: The scion variety is the famous large-fruited, storable, high-quality fresh northern highbush blueberry variety "Spartan", and the northern highbush blueberry variety "Creton" was selected as the rootstock, which performed best.

[0027] Grafting time and height: Grafting in mid-May during the growing season, the grafting height is 5-6cm above the neck of the rootstock seedlings.

[0028] Grafting method: The survival rate of green branch splitting and chip bud grafting are both high, but green branch splitting is better in terms of growth speed, number of branches and fruit yield.

[0029] Green branch splitting: the scion chooses semi-lignified strong branches, and the diameter of the rootstock is slightly larger than that ...

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Abstract

The invention relates to a grafting breeding method for improving the adaptability of the large-fruit type Vaccinium blueberry variety in a subtropical zone by taking blueberries as stocks. The grafting breeding method is characterized in that Croaton is taken as the stocks in the subtropical zone cultivation of the large-fruit type Vaccinium blueberry variety Spartan to carry out grafting improvement so as to improve the growth and development of the Vaccinium blueberry variety, and improve the adaptability, the fruit yield and the quality of the Vaccinium blueberry variety. According to the grafting breeding method, a plant grafting technology is applied to the breeding and the cultivation of blueberry nursery stocks, a proper grafting mode and a stock type of the Vaccinium blueberry variety Spartan are tested, grafted seedlings are subjected to cultivation observation for few years, the proper grafting mode and a stock-scion combination are established, the ecological adaptability and the fruit yield and quality of the Spartan blueberry in the Yangtze River delta zone in China are improved, and the grafting breeding method has an outstanding meanings in the blueberry grafting breeding research and application which is rare worldwide.

Description

technical field [0001] The invention belongs to the technical field of vegetative propagation of blueberry (Vaccinium spp.) high-quality and high-resistance seedlings of emerging characteristic fruit trees, and specifically relates to a large-fruited northern highbush blueberry variety "Spartan" cultivated in subtropical regions with "Creton "It is a breeding method for rootstock grafting improvement to improve its growth and development, improve its adaptability, fruit yield and quality. Background technique [0002] Large fruit, good flavor, and storage resistance are the general trend of blueberry breeding and cultivation. The large-fruited northern highbush blueberry variety "Spartan" is a representative variety of northern highbush blueberry in the world. It has an upright tree posture, strong growth potential, high and stable yield, dark blue fruit when ripe, less fruit powder, and super large fruit shape. The maximum single fruit weight can reach more than 6.0g. It h...

Claims

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Application Information

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IPC IPC(8): A01G1/06A01G17/00
CPCA01G2/30A01G17/005
Inventor 徐呈祥郭峰马艳萍刘丽莉
Owner ZHAOQING UNIV
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