topcross

听听怎么读
英 ['tɒpkrɒs]
美 ['tɒpkrɒs]
是什么意思
  • n.

    顶交,公的良种与差的母畜的交配;

  • 学习怎么用

    权威例句

    topcross:
    TopCross High-Oil Corn Production
    TopCross High-Oil Corn Production: Agronomic Performance
    Topcross Versus S1 Line Performance in Corn(Zea mays L.)1
    Pollinators for topcross® grain production
    TopCross high oil corn production: Select grain quality attributes
    Evaluation of landrace topcross hybrids of pearl millet for arid zone environments
    Heterosis in landrace-based topcross hybrids of pearl millet across arid environments.
    Mapping resistance to Southern rust in a tropical by temperate maize recombinant inbred topcross population
    Genetic Variation and Predicted Gain from Selection for Winterhardiness and Turf Quality in a Perenial Ryegrass Topcross Population