Screening of 15 wheat cultivars against wheat gall nematode Anguina tirtici con firmed that sabebage cultivar immune to this pest . while different levels of Susceptibility was recorded on the other 14 cultivates . F1 crosses were showed significantly positive . heterosis for its Nematodes sensitivity and no any one negative . https://www.olorunssports.shop/product-category/llandovery-rfc/