Page 40 



BETTER FRUIT 



March 



Mcike It Easier 

 For Them 



SPARE the horses. ]\Iica Axle Grease 

 makes easier pulling. It gives a 

 smoother bearing than ordinary 

 grease, because it contains powdered 

 mica — blended with the grease by a 

 special process. The mica keeps the 

 spindle smooth, resists wear and press- 

 ure, and makes the grease last twice as long. 

 Get a can from your dealer today. 



Standard Oil Company 



(California) 



MICA 



AXLE 

 GREASE 



The Success of a Fruit Grower 



depends largely on the 

 way he cares for his 

 orchard. Unless it is 

 well cultivated he can 

 not hope for good re- 

 sults. 



For this work there is nothing 

 that will equal 



The Kimball 

 Cultivator 



in keeping the ground in perfect condi- 

 tion at a small cost. 



The price is in reach of the small grower and can be bought 

 from your local dealer or from 



W. A. JOHNSTON, Manufacturer 



THE DALLES, OREGON 



To Improve Your Home Grounds 



To Plant Profitable Orchards 



Mention this Magazine and write for Free Booklet 



J. B. PILKINGTON, Nurseryman, Portland, Ore. 



Save 2.0% 

 Riverside 



Guaranteed 



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Ford Size /^\ 

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All 

 Others 



Buy the 

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SEND FOR AUTO BOOK 



howing: Riverside constnic- 

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Write to the house most conveniont to you 



Portland 



tain .arowtli conilitions tiiese lihtiiients 

 remain colorless, and so are not evi- 

 dent even witli tlie iiand lens. In some 

 cases tlie netwoi-k of fungous filaments 

 may be so abundant as to be distinctly 

 iu)liceable to the naked eye. The 

 demonstration of the presence of the 

 fungus upon the roots is one of the 

 most certain methods of diagnosing the 

 disease. 



Black nodules or masses of fungous 

 tissue, which have the appearance of 

 dirt that will not wa.sh off, may fre- 

 quently be found on the larger roots. 

 They may vary in size from mere 

 specks to masses a quarter of an inch 

 in diameter. These are the so-called 

 sclerotia, or resting bodies of the fun- 

 gus. They are jjioduced very rarely 

 upon the roots of some varieties, while 

 certain varieties, like the Dwarf (cham- 

 pion, for example, produce them in 

 abundance. 



Dead corroded areas of varying size 

 may be found ujjon the roots or upon 

 the basal portion of the stem at or 

 below the ground level. The death of 

 the roots from the tip backward is, 

 however, more common on the tomato 

 than scattered or separated lesions. 

 The young absorbing roots appear to 

 be killed first and then the larger 

 lateral-conducting roots. In an ad- 

 vanced stage of the disease, the cortex 

 or outer portion of the larger roots 

 may be more or less disintegrated and 

 separate easily from the firmer central 

 axis. The killing of the absorbing roots 

 is the most serious phase of the disease. 



An abnormal production of fibrous 

 roots from the base of the stem is a 

 frequent accompaniment of the disease. 

 This condition prevails if Ihe plants 

 are set fairly deep and receive a suffi- 

 cient supply of moisture. This in- 

 creased production of roots frequently 

 prolongs the life of the plant, since the 

 work of absorption generally per- 

 formed by the more wiilely distributed 

 roots is provided for, until the new 

 roots in turn are killed. 



Khizoctonia does not confine its 

 attacks to maturing jjlants, but affects 

 tomato seedlings, producing the trouble 

 known as damping-ofl'. In this case 

 Ihe fungus attacks the young stem at 

 or near the ground level anil the sud- 

 den drooping of the young plant is the 

 result. The little seedling "drops dead" 

 as it were. Damping-ofT of tomato 

 seedlings by Rhizoctonia has been re- 

 ported from various parts of the United 

 States, both east and west and in the 

 extreme south. 



Anolher phase ol' the disease is 

 worthy of mention, although it is of 

 minor iniijortance. 'Ihe fungus may 

 invade the ripening fruits and cause a 

 characteristic rot. This condition is 

 only found when the fruits rest upon 

 the damp ground in which the fungus 

 is growing. The fruit rot has not been 

 observed in our work during the past 

 season, but the writer studied it a num- 

 ber of years ago in Nebraska, and other 

 investigators have reported the same 

 iiindilion in Florida and (aiba. 

 Continued in next issue 



WHEN WRITING ADVERTISERS MENTION BETTER FRUIT 



