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CALIFORNIA FRUITS: HOW TO GROW THEM 



the vertical side next to the field to be protected. It can be further 

 trimmed with a spade, preferably cutting under slightly, making a 

 smooth surface, over which few if any, of the worms will make 

 their way. Above this shoulder fine pulverized earth should slope 

 as abruptly upward as possible. If any of the worms succeed in 

 climbing up over the smooth surface made by the spade they will 

 be pretty sure to fall back as they reach this fine loose earth in an 

 attempt to ascend over the projecting shoulder. Pestholes should 

 be dug on the straight edge of the furrow every fifteen or twenty 



Moths of cut worms. 



feet. The worms in failing to scale the vertical side of the furrow 

 will crawl along in the bottom and fall into these holes. Here 

 they may be killed by pouring in a little crude oil, or by pouring in 

 a little distillate and dropping in a match, thus burning them, or 

 the holes filled in and others dug. They may also be killed in the 

 furrow by sprinkling them with kerosene or by pouring a strip 

 of crude oil along the furrow. 



Canker Worms. These are destructive leaf-feeding caterpillars, 

 commonly known also as inch- worms, loopers or measuring worms, 

 because of the peculiar looping gait by which they move about. 

 The male moths are slender bodied and have broad thin wings, 

 while the females are wingless, heavy-bodied creatures. 



While these caterpillars can in large measure be controlled by 

 spraying with lead arsenate or Paris green, it is by far the best to 



