Breeding method of long-white chicken leg type green Chinese onions
Technical Field
The invention relates to the technical field of cross breeding, in particular to a breeding method of long and white chicken leg type green Chinese onions.
Background
The green Chinese onions are cultivated in the south and north of China, and the north is the most common in Huaihe-Qinling, and the middle and lower reaches of the yellow river are the main. The areas of provinces such as Henan, Shandong, Hebei and Liaoning, Jing and jin are the main producing areas of the green Chinese onions. According to the statistics of economic post data of a national special vegetable industry technical system, the planting area of Chinese green onions reaches 900 ten thousand mu, and accounts for 90 percent of the planting area of the world.
However, the breeding of Chinese green Chinese onions is one of weak links in the breeding of vegetables for a long time, and the progress of the breeding is seriously lagged behind that of other vegetables. The number of breeding units is small, the number of breeding personnel is small, and only 7 scientific research units develop the breeding research of the green Chinese onions at present. At present, most of all varieties are bred by adopting a traditional method, and local varieties or improved lines thereof are still dominant in production. The green Chinese onions originate from China, have a cultivation history of more than 2000 years, contain extremely rich local variety resources, and have great potential when being bred into good green Chinese onion varieties meeting the production requirements and market requirements of different production areas of the Chinese green Chinese onions by fully utilizing the rich green Chinese onion variety resources and the modern breeding technology.
As a special Chinese welsh onion, the chives with the chicken leg are tender in quality, spicy in taste, good in quality and excellent in raw and cooked food, and are deeply favored by consumers. The shallot with chicken leg is known as local variety and has prominent regionalism, such as: chive of Longyao drumstick, chive of Laiwu drumstick, etc. in Hebei. The allium mongolicum regel is not rich enough in genetic resources, has the problems of generally short onion stalk, poor storage resistance, resistance and the like, and cannot meet the increasingly demanded market change, so that a new variety of the long-white allium mongolicum regel is urgently needed to meet the increasingly demanded market change.
Disclosure of Invention
The invention aims to provide a breeding method of a long-white chicken leg type green Chinese onion, which solves the problems of generally short green Chinese onion stalk, poor storage resistance, poor resistance and the like of the long-white chicken leg type green Chinese onion.
In order to achieve the above object, the present invention provides the following technical solutions:
the invention provides a method for breeding long white chicken leg type green Chinese onions, which comprises the following steps:
(1) selecting pure and sterile long-white type green Chinese onions as female parents;
(2) selecting pure and chicken leg type green Chinese onions as male parents;
(3) hybridizing the parents, and harvesting F1 generation hybrid seeds from the female parent;
(4) continuously mixing and selecting seeds of the F1 generation to obtain the long-white chicken leg type green Chinese onion.
Preferably, the hybridization process is artificial pollination.
Preferably, the flower bulbs of the male parent and the female parent are bagged by sulfuric acid paper bags before and after artificial pollination.
Preferably, the female parent is green leaf No. 1 green onion.
Preferably, the maternal selection criteria are: the plant height is 130-150 cm, the length of the fistular onion stalk is 55-65 cm, the thickness of the fistular onion stalk is 3-4 cm, and the thickness of the base part of the fistular onion stalk is 4-5 cm.
Preferably, the male parent is chive of Longyao chicken leg.
Preferably, the paternal selection criteria are: the plant height is 75-115 cm, and the length of the fistular onion stalk is 25-45 cm.
Preferably, the generation number of the mixing selection is 2-4.
Preferably, the criteria for the mixing selection are: the plant height is 110-140 cm, the length of the fistular onion stalk is 50-65 cm, the thickness of the fistular onion stalk is 2.5-3.5 cm, the diameter of the base part of the pseudostem is 5-6 cm, and the weight of each plant is 0.35-0.45 kg.
The invention provides a method for breeding long white chicken leg type green Chinese onions, which comprises the following steps: (1) selecting pure and sterile long-white type green Chinese onions as female parents; (2) selecting pure and chicken leg type green Chinese onions as male parents; (3) hybridizing the parents, and harvesting F1 generation hybrid seeds from the female parent; (4) and continuously mixing and selecting the hybrid seeds of the F1 generation to obtain the long-white chicken leg type green Chinese onion. The long-white type green Chinese chive cultivated by the method organically combines the quality of the green Chinese chive with the characteristics of the long-white type green Chinese chive, such as the length of the green Chinese onion stalk and the like, and not only maintains the quality of the long-white type green Chinese chive, but also has the advantages of the long-white type green Chinese chive. The cultivated variety has high uniformity, strong growth potential and good uprightness. Leaves are upright, green, and thick. The scallion stalk is fat, tender, moderate in spicy flavor, fragrant, delicious and good in quality.
Detailed Description
The invention provides a method for breeding long white chicken leg type green Chinese onions, which comprises the following steps:
(1) selecting pure and sterile long-white type green Chinese onions as female parents;
(2) selecting pure and chicken leg type green Chinese onions as male parents;
(3) hybridizing the parents, and harvesting F1 generation hybrid seeds from the female parent;
(4) continuously mixing and selecting seeds of the F1 generation to obtain the long-white chicken leg type green Chinese onion.
In the present invention, the hybridization process is preferably artificial pollination.
In the invention, the flower bulbs of the male parent and the female parent are preferably bagged by sulfuric acid paper bags before and after artificial pollination.
In the present invention, the female parent is preferably green leaf No. 1 welsh onion.
In the invention, the plant height of the female parent is preferably 130-150 cm, more preferably 135-145 cm, and still more preferably 140 cm.
In the invention, the length of the fistular onion stalk of the female parent is preferably 55-65 cm, more preferably 58-62 cm, and even more preferably 60 cm.
In the invention, the thickness of the fistular onion stalk as the female parent is preferably 3-4 cm, more preferably 3.2-3.8 cm, and still more preferably 3.5 cm.
In the invention, the base thickness of the female parent scallion stalk is preferably 4-5 cm, more preferably 4.2-4.8 cm, and still more preferably 4.5 cm.
In the invention, the male parent is preferably chive.
In the invention, the plant height of the male parent is preferably 75-115 cm, more preferably 85-105 cm, and still more preferably 90-95 cm.
In the invention, the length of the fistular onion stalk of the male parent is preferably 25-45 cm, more preferably 30-40 cm, and further preferably 35 cm.
In the present invention, the number of generations of the mixing selection is preferably 2 to 4 generations, and more preferably 3 generations.
In the present invention, the plant height in the mixed selection is preferably 110 to 140cm, more preferably 120 to 130cm, and still more preferably 125 cm.
In the invention, the onion stalk length in the mixing selection is preferably 50-65 cm, more preferably 55-60 cm, and still more preferably 57-58 cm.
In the invention, the crude onion stalk is preferably 2.5-3.5 cm, and more preferably 3cm during the mixing selection.
In the present invention, the diameter of the base of the pseudostem is preferably 5 to 6cm, and more preferably 5.5cm in the mixed selection.
In the present invention, the plant weight in the mixed selection is preferably 0.35 to 0.45kg, and more preferably 0.4 kg.
The following will describe the breeding method of the long white chicken leg type green Chinese onions in detail with reference to the examples, but they should not be construed as limiting the scope of the present invention.
Example 1
(1) Selecting pure green leaf No. 1 green Chinese onions with plant height of 130-135 cm, onion stalk length of 55-58 cm, onion stalk thickness of 3-3.2 cm, onion stalk base thickness of 4-4.2 cm as female parent;
(2) selecting pure and Yao chicken leg type scallion with the plant height of 75-90 cm and the onion stalk length of 25-30 cm as a male parent;
(3) the male parent and the female parent are separately planted, artificial pollination is carried out on the female parent after blooming, and the male parent and the female parent are bagged by sulfuric acid paper bags before and after the artificial pollination;
(4) harvesting F1 generation hybrid seeds on the female parent;
(5) planting seeds of generation F1, and performing 4-generation continuous mixed selection according to the standard that the plant height is 110-140 cm, the length of the fistular onion stalk is 50-55 cm, the thickness of the fistular onion stalk is 2.5-3.5 cm, the diameter of the base part of the pseudostem is 5-6 cm, and the weight of a single plant is 0.35-0.45 kg to obtain the leg-type welsh onion of the long-white chicken.
Example 2
(1) Selecting pure green leaf No. 1 green Chinese onions with plant height of 135-145 cm, fistular onion stalk length of 58-62 cm, fistular onion stalk thickness of 3.2-3.8 cm, fistular onion stalk base thickness of 4.2-4.8 cm as female parent;
(2) selecting pure and Yao drumstick type scallions with the plant height of 90-105 cm and the onion white length of 30-40 cm as male parents;
(3) the male parent and the female parent are separately planted, artificial pollination is carried out on the female parent after blooming, and the male parent and the female parent are bagged by sulfuric acid paper bags before and after the artificial pollination;
(4) harvesting F1 generation hybrid seeds on the female parent;
(5) planting seeds of generation F1, and performing 3-generation continuous mixed selection according to the standard that the plant height is 110-140 cm, the length of the fistular onion stalk is 55-60 cm, the thickness of the fistular onion stalk is 2.5-3.5 cm, the diameter of the base part of the pseudostem is 5-6 cm, and the weight of a single plant is 0.35-0.45 kg to obtain the leg-type welsh onion of the long-white chicken.
Example 3
(1) Selecting a pure green leaf No. 1 green Chinese onion with the plant height of 145-150 cm, the onion stalk length of 62-65 cm, the onion stalk thickness of 3.8-4 cm, the onion stalk base thickness of 4.8-5 cm as a female parent;
(2) selecting pure and Yao drumstick scallion with the height of 105-115 cm and the length of fistular onion stalk of 40-45 cm as male parents;
(3) the male parent and the female parent are separately planted, artificial pollination is carried out on the female parent after blooming, and the male parent and the female parent are bagged by sulfuric acid paper bags before and after the artificial pollination;
(4) harvesting F1 generation hybrid seeds on the female parent;
(5) planting seeds of generation F1, and performing 2-generation continuous mixed selection according to the standard that the plant height is 110-140 cm, the length of the fistular onion stalk is 60-65 cm, the thickness of the fistular onion stalk is 2.5-3.5 cm, the diameter of the base part of the pseudostem is 5-6 cm, and the weight of a single plant is 0.35-0.45 kg to obtain the long-white chicken leg type scallion.
Examples of the experiments
The experiment is carried out in 2019, 11 and 6 days, and the field detection of the long white chicken leg-type green Chinese onions cultivated in the example 2 is carried out by a specialist group formed by related specialists organized in scientific and technological halls in Hebei province. The detection site is located in a vegetable research institute experimental field of Shijiazhuang city Shijiazhu Shichang street 16 th. The reference variety is 'Longyao drumstick scallion'. The experimental group and the control group are planted and managed according to a uniform mode, the seedlings are grown in 2019 in 3 and 20 days, the field planting is carried out in 6 and 25 days, the planting row spacing is 75.0cm, the plant spacing is 5.0cm, and the average density is 17787 plants/mu. A random three-point sampling method is adopted, 2 meters are taken at each point, the number of plants is counted, the weight of each plant is weighed, the weight of each plant is measured and calculated, the yield per mu is calculated according to a coefficient of 0.9 reduction, all experimental results are repeated for three times, and an average value is obtained, wherein the specific results are shown in a table 1:
TABLE 11/19-year, 6/month and yield measurement
And (4) analyzing results: as can be seen from the results in Table 1, the long white leg type green Chinese onions cultured by the breeding method are high in uniformity, strong in growth vigor, good in uprightness, and higher in plant height, long in onion stalk, onion stalk thickness, yield per mu and the like, and are greatly improved compared with the Longyao green Chinese onions of parents, so that a good effect is achieved.
From the above embodiments, the invention provides a breeding method of long white chicken leg type green Chinese onions, which comprises the following steps: (1) selecting pure and sterile long-white type green Chinese onions as female parents; (2) selecting pure and chicken leg type green Chinese onions as male parents; (3) hybridizing the parents, and harvesting F1 generation hybrid seeds from the female parent; (4) and continuously mixing and selecting the hybrid seeds of the F1 generation to obtain the long-white chicken leg type green Chinese onion. The long-white type green Chinese chive cultivated by the method organically combines the quality of the green Chinese chive with the characteristics of the long-white type green Chinese chive, such as the length of the green Chinese onion stalk and the like, and not only maintains the quality of the long-white type green Chinese chive, but also has the advantages of the long-white type green Chinese chive. The cultivated variety has high uniformity, strong growth potential and good uprightness. Leaves are upright, green, and thick. The scallion stalk is fat, tender, moderate in spicy flavor, fragrant, delicious and good in quality.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.