﻿6 
  THE 
  RED 
  SPIDER 
  ON 
  HOPS 
  IN 
  CALIFORNIA. 
  

  

  Experiments 
  for 
  the 
  control 
  of 
  the 
  red 
  spider 
  — 
  Continued. 
  Page. 
  

  

  Cultural 
  methods 
  . 
  30 
  

  

  Stripping 
  the 
  vines 
  30 
  

  

  Irrigation 
  32 
  

  

  Fertilization 
  33 
  

  

  Clean 
  culture 
  34 
  

  

  General 
  summary 
  with 
  recommendations 
  34 
  

  

  Control 
  of 
  the 
  red 
  spider 
  on 
  plants 
  other 
  than 
  hops 
  and 
  cotton 
  34 
  

  

  Sweet 
  peas 
  . 
  35 
  

  

  Roses 
  35 
  

  

  Carnations 
  35 
  

  

  Use 
  of 
  sulphur 
  35 
  

  

  Bibliography 
  35 
  

  

  Index 
  37 
  

  

  