Hybridization breeding method of high-phosphorus-efficiency maize
A hybrid breeding and corn technology, applied in the directions of botanical equipment and methods, applications, and plant genetic improvement, can solve the problems of inability to water corn, reduced drought tolerance of corn, and rising phosphate fertilizer prices, and achieve high yield and harsh environment resistance. , The use efficiency is improved, and the absorption effect is high.
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[0030] The present invention will be described in further detail below, so that those skilled in the art can implement it with reference to the description.
[0031] It should be understood that terms such as "having", "comprising" and "including" as used herein do not entail the presence or addition of one or more other elements or combinations thereof.
[0032] The invention provides a method for hybrid breeding of phosphorus-efficient corn, comprising:
[0033] Step 1, hybridizing the male parent of corn and the first female parent of corn to obtain the F1 generation seed of the hybrid combination; and,
[0034] Step 2. Under the screening planting conditions, use the F1 generation seeds in step 1 to self-cross to form a bicyclic population, select a specific strain with screening traits from the population, and continuously self-cross 8 generations of the specific strain, Breeding inbred lines as the second female parent of maize;
[0035] in,
[0036] The screening pla...
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