论文部分内容阅读
种子是植物有性繁殖的结晶,是人类赖依生存的物质资源。有生命的种子可繁衍后代,劣种子能使后代衰退,优种子能使产量提高。决定种子的优
Seeds are the seeds of sexual reproduction of plants and are the material resources upon which human beings depend. Live seeds can reproduce offspring, bad seeds can make the offspring decline, superior seed can make the yield increase. Determine the seed of excellence