Indoor multi-generation peanut hybridization method

Abstract

The invention relates to an indoor multi-generation peanut hybridization method. The method specifically comprises the following steps: preparing a male parent planting room and a female parent planting room; preparing a culture medium; performing parent planting: respectively planting male parents and female parents in the male parent planting room and the female parent planting room, planting the male parents in a film covering manner, and performing plant culture in different photoperiod stages; performing management in each period: applying 28% N fertilizer to all parent materials in a seedling stage, and spraying 3% emamectin benzoate, indoxacarb and imidacloprid in a 3-4 leaf stage and an initial flowering stage to prevent and treat insect pests, so that plants grow robustly; spraying 8% of phosphate fertilizer in the flowering stage to promote flowering; spraying 18% of potash fertilizer in a pod bearing period to strengthen fruits; and hybridizing immediately after castration. The method has the advantages that the peanuts can normally bloom and bear fruits indoors, the hybridization time can be shortened, the timeliness and effective utilization rate of valuable and rare materials can be increased, the peanuts can be planted in batches at any time according to needs, and multiple hybridization in one year is achieved.

Description

technical field [0001] The invention relates to an indoor multi-generation peanut hybridization method. Background technique [0002] Hybrid breeding is the most important and most effective way of breeding peanut varieties. The existing peanut hybridization is almost always done in a fixed outdoor hybridization platform, and it can only be done in the season when peanuts are planted. In addition to Hainan and South China, a maximum of two seasons of hybridization can be done in a year; at the same time, conventional hybridization is usually done in the afternoon of the first day. Male, pollination before flowering in the morning of the next day is greatly limited by time and space conditions, the cost is high, and the operation is time-consuming and laborious. For rare materials, if the normal planting season is missed, they can only be planted for hybridization in the next season, which will not only delay the utilization efficiency of materials, but also affect the emerg...

AI Technical Summary

Problems solved by technology

The existing peanut hybridization is almost always done in a fixed outdoor hybridization platform, and it can only be done in the season when peanuts are planted. In addition to Hainan and South China, a maximum of two seasons of hybridization can be done in a year; at the same time, conventional hybridization is usually done in the afternoon of the first day. Male, pollination before flowering in the next morning, subject to time and space constraints, high cost, time-consuming and labor-intensive operation

For rare materials, if the normal planting season is missed, they can only be planted for hybridization in the next season, which will not only delay the utilization efficiency of materials, but also affect the emergence rate of seeds, resulting in the loss of precious materials

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