I have a pumpkin plant that has a few wilted leaves. They did not perk up at 8 after the sun had gone down so I don't think it is the heat. Although, it has been hot for days with few breaks. Is it bacterial wilt? I have not seen any cucumber beetles in the area at all. Can any other bug pass it on? Is it nothing to worry about? Should I just pull this wilted leaves and bury this portion of the vine? The leaves have a slight case of PM but has slowed greatly thanks to the use of potassium bicarbonate. Thanks for all your help!