Root and stalk rot (RSR) of maize (Zea mays L.) plants, caused by soil-borne disease pathogens the genus Pythium, can get worse in global warming. It has been known that resistance F1 hybrids often disaccords with those their parental inbreds, which makes it difficult to develop resistant effectively. Best linear unbiased prediction (BLUP) is a standard mixed model equation, fitted for predicti...