﻿550 
  

  

  The 
  author 
  says 
  that 
  thorough 
  screening 
  and 
  winnowing 
  before 
  

   baUng 
  or 
  storing 
  is 
  a 
  simple 
  and 
  excellent 
  means 
  of 
  getting 
  rid 
  of 
  the 
  

   pests, 
  or 
  reducing 
  them 
  to 
  neghgible 
  proportions. 
  Such 
  methods 
  

   would, 
  it 
  is 
  beheved, 
  have 
  better 
  results 
  than 
  the 
  more 
  costly 
  method 
  

   of 
  fumigation. 
  The 
  amount 
  of 
  rubbish 
  among 
  the 
  nuts, 
  when 
  received 
  

   from 
  the 
  interior, 
  is 
  very 
  considerable. 
  

  

  Degrully 
  (L.). 
  Memento 
  pour 
  le 
  traitement 
  du 
  Mildiou 
  et 
  la 
  prepara- 
  

   tion 
  des 
  Bouillies 
  Cupriques. 
  [A 
  note 
  on 
  black-rot 
  treatment 
  

   and 
  on 
  the 
  preparation 
  of 
  cupric 
  sprays.] 
  — 
  Progres 
  Agric. 
  Vitic, 
  

   Montpellier, 
  xxxi, 
  no. 
  15, 
  12th 
  April 
  1914, 
  pp. 
  449-459, 
  7 
  figs. 
  

  

  The 
  author 
  deals 
  very 
  fully 
  with 
  the 
  proper 
  preparation 
  of 
  the 
  sprays, 
  

   and 
  lays 
  stress 
  on 
  the 
  necessity 
  for 
  careful 
  dosing, 
  selected 
  material, 
  

   and 
  timely, 
  persistent, 
  apphcation. 
  The 
  following 
  is 
  a 
  practical 
  

   installation 
  for 
  making 
  and 
  distributing 
  Bordeaux 
  mixture 
  : 
  — 
  A 
  ferro- 
  

   concrete 
  tank 
  is 
  fixed 
  to 
  a 
  wall 
  at 
  such 
  a 
  height 
  that 
  a 
  barrel 
  mounted 
  

   on 
  cart-wheels 
  may 
  be 
  drawn 
  up 
  below 
  and 
  in 
  front 
  of 
  it. 
  Above 
  it 
  

   is 
  a 
  water-tank 
  of 
  a 
  capacity 
  of 
  800 
  cubic 
  feet 
  which 
  supphes 
  the 
  water 
  

   necessary 
  for 
  the 
  spray 
  solutions. 
  The 
  tank 
  is 
  divided 
  into 
  four 
  

   separate 
  divisions, 
  each 
  a 
  cube 
  of 
  28" 
  side-measurement 
  and 
  provided 
  

   with 
  an 
  outlet 
  at 
  bottom-level 
  for 
  the 
  convenient 
  drawing-off 
  of 
  its 
  

   contents. 
  A 
  ladder 
  placed 
  against 
  the 
  tank 
  gives 
  access 
  to 
  a 
  wide 
  

   ledge 
  vv^hich 
  runs 
  along 
  its 
  face 
  and 
  affords 
  ample 
  standing 
  room. 
  

   Three 
  of 
  the 
  compartments 
  are 
  used 
  for 
  dissolving 
  copper 
  sulphate, 
  

   the 
  chemical 
  being 
  placed 
  in 
  a 
  basket 
  or 
  bag 
  half-way 
  submerged 
  and 
  

   kept 
  suspended 
  by 
  a 
  stick 
  laid 
  across 
  the 
  top 
  of 
  the 
  container. 
  The 
  

   fourth 
  compartment 
  is 
  used 
  for 
  the 
  hme. 
  The 
  procedure 
  is 
  as 
  follows 
  : 
  — 
  

   In 
  each 
  of 
  the 
  three 
  compartments 
  44 
  lb 
  . 
  of 
  copper 
  sulphate 
  are 
  dissolved 
  

   in 
  66 
  gals, 
  of 
  water. 
  The 
  contents 
  of 
  one 
  compartment 
  are 
  then 
  run 
  

   into 
  the 
  barrel 
  below. 
  (This 
  barrel 
  has 
  a 
  capacity 
  of 
  40 
  cubic 
  feet.) 
  

   The 
  compartment 
  is 
  then 
  rinsed 
  out 
  with, 
  say, 
  22 
  gals, 
  of 
  water, 
  which 
  

   are 
  then 
  run 
  into 
  the 
  barrel. 
  The 
  66 
  gals, 
  of 
  milk 
  of 
  Hme 
  contained 
  

   in 
  the 
  fourth 
  compartment 
  are 
  then 
  run 
  into 
  the 
  barrel 
  and 
  the 
  com- 
  

   partment 
  is 
  well 
  rinsed 
  out 
  with 
  a 
  quantity 
  of 
  water 
  sufficient 
  to 
  fill 
  

   the 
  barrel 
  up 
  to 
  220 
  gals. 
  The 
  actual 
  mixing 
  of 
  the 
  spray 
  solution 
  

   is 
  done 
  by 
  the 
  shaking 
  during 
  cartage 
  to 
  the 
  field 
  of 
  operations. 
  The 
  

   milk 
  of 
  hme 
  should 
  contain 
  225 
  parts 
  (224-9 
  exactly) 
  of 
  good 
  quality 
  

   " 
  fat 
  " 
  lime 
  to 
  every 
  1,000 
  parts 
  of 
  the 
  copper 
  sulphate 
  used. 
  

  

  MoREAu 
  (L.) 
  & 
  ViNET 
  (E.). 
  La 
  lutte 
  eontre 
  la 
  Cochylis. 
  Insecticides 
  

   et 
  insectifuges. 
  Leur 
  emploi 
  dans 
  les 
  moyens 
  et 
  petits 
  vignobles. 
  

  

  [The 
  control 
  of 
  Clysia 
  amhiguella. 
  Insecticides 
  and 
  insectifuges, 
  

   and 
  their 
  employment 
  in 
  small 
  and 
  medium-sized 
  vineyards.] 
  — 
  

   Rev, 
  Vitic, 
  Paris, 
  xli, 
  no. 
  1059, 
  2nd 
  April 
  1914, 
  p. 
  369. 
  

  

  Experiments 
  made 
  during 
  the 
  last 
  seven 
  years 
  lead 
  the 
  author 
  

   to 
  believe 
  that, 
  in 
  small 
  vineyards 
  where 
  the 
  supply 
  of 
  labour 
  is 
  not 
  

   a 
  difficulty, 
  the 
  most 
  accurate 
  and 
  efficient 
  results 
  are 
  obtained 
  by 
  

   using 
  internal 
  insecticides. 
  Insecticide 
  sprays 
  are, 
  however, 
  only 
  of 
  

   practical 
  use 
  against 
  the 
  first 
  generation 
  of 
  Clysia. 
  Against 
  the 
  

   second, 
  dusting 
  with 
  insectifugal 
  powders 
  must 
  be 
  resorted 
  to, 
  and 
  

   although 
  this 
  method 
  is 
  less 
  efficient 
  than 
  the 
  former 
  one, 
  it 
  is 
  a 
  useful 
  

   complementary. 
  Internal 
  insecticides 
  are 
  essentially 
  preventives 
  and 
  

  

  