Pollen morphology of ten (10) species representing nine (9) genera, two (2) varieties in the family Cucurbitaceae from Nigeria has been examined under light microscope. The pollen grains are largely monads. Exine wall ornamentation is most often reticulate all studied with exception pollens Cucurbita maxima Duch. which echinate, this a diagnostic character for species. Cell thickness least vari...

Zucchini yellow mosaic virus (ZYMV) causes serious damage to cucurbit crops worldwide and can be spread by aphids, mechanical injury, in seeds. With the popularization of grafting, use susceptible rootstock has increased risk ZYMV infection crops. In China, bottle gourd ( Lagenaria siceraria ) is a widely used grafted watermelon production. However, few resistant gourds are available commercial...