What people are saying - Write a review
We haven't found any reviews in the usual places.
No 1 OCTOBER 1933
No 2 NovEMBER 1933
No 5 JANUARY 1934
10 other sections not shown
Other editions - View all
A-avitaminosis acid acre adults alkali soils aster yellows asters and celery bacteria barium fluosilicate Basic lead arsenate battery-jar beet leafhoppers Beets Beets Beets cages calcium California cankers carrots cavity cent Cicadula divisa crop cryolite curly top curly-top virus Diatomaceous earth dilution diseased beet-root juice dust eggs emergence Eureka experimentally infected fected feeding females flies flower foliage geminatus grove gummosis healthy asters host indicate infected with curly infected with yellows infective beet inoculated larvae leaching leaf liquid material mosaic naturally infected nuts obtained oviposition ovipositor peach penetration percentage Persian walnut petioles Phytopathology Placentia previously noninfective pupae resistant Rhagoletis completa San Joaquin San Joaquin Valley season secondary shoots showed sodium soluble solution sour-sap species spray studies suavis sucrose sugar sulfuric acid susceptible symptoms temperature tests thrips tion tissue trees tube varieties vine virus walnut husk