High-efficiency breeding method capable of realizing high yield of hybrid green Chinese onions
A high-yield technology for backcrossing scallions, which is applied in botany equipment and methods, applications, plant gene improvement, etc., can solve the problems of low breeding efficiency, weak plant growth, small inflorescences, etc., and improve breeding efficiency, yield and resistance Improved effect
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Embodiment 1
[0026] The high-efficiency breeding method of a high-yield hybrid green onion provided by the invention specifically comprises the following steps:
[0027] S1, select the high-yield sterile line female parent variety Qingza No. 2 (Vegetable Research Institute, Shijiazhuang Academy of Agriculture and Forestry Sciences) as the receptor, and plant;
[0028] S2, select a plurality of male parent varieties Liaocong No. 1 and Congwang Hybrid No. 1 with the target trait, respectively absorb the pollen of each male parent variety, and then fully mix the pollen to obtain multi-male parent pollen with each target trait;
[0029] S3, artificial cross-breeding: during the flowering period of the female parent and the male parent, after the male parent pollen is distributed, collect pollen from multiple male parents according to the method of S2, and apply a nutrient solution (wet pistil) on the pistil of each female parent flower. Then use multi-male parent pollen to artificially pollina...
Embodiment 2
[0038] The high-efficiency breeding method of a high-yield hybrid green onion provided by the invention specifically comprises the following steps:
[0039] S1, select the high-yield sterile line female parent variety Zhangqiu Dawutong (the local green onion variety in Zhangqiu County, Shandong Province as the recipient, and plant;
[0040] S2, select a plurality of male parent varieties Liaocong No. 1 and Congwang Hybrid No. 1 with the target trait, respectively absorb the pollen of each male parent variety, and then fully mix the pollen to obtain multi-male parent pollen with each target trait;
[0041] S3, artificial cross-breeding: during the flowering period of the female parent and the male parent, after the male parent pollen is distributed, collect pollen from multiple male parents according to the method of S2, and apply a nutrient solution (wet pistil) on the pistil of each female parent flower. Then use multi-male parent pollen to artificially pollinate the pistil o...
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