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" He 's been up late , she thinks , he 's tired of the job , perhaps tired of their morning meetings , but when he bows from the waist and holds the door open for her to enter the diner , and the thick odor of bacon frying and new potatoes greets them both , and taking heart she enters to peer through the thick cloud of tobacco smoke to the see if " their booth " is available . There was food to eat , potatoes enough for both , and a genteel house in which to live . For example , one petition should be submitted for potatoes that are both PVY and PVX resistant . For example , one notification should be submitted for potatoes that are both VR / PVY resistant and VR / PVX resistant . It is a serious pest of potatoes , as both adults and larvae suck plant juices . Several virus-resistant varieties are planned for release in 1998 ; potatoes stacked with both Bt and resistance to potato leafroll virus and potato virus Y ( mosaic ) , and squash varieties resistant to cucumber mosaic virus , zucchini yellow mosaic virus , and watermelon mosaic virus two .