﻿692 
  

  

  KoLODZEisKY 
  (F.). 
  HtcKOJibKO 
  cjiobtj 
  JiMMMHKt 
  MaMCKaro 
  wyKa. 
  

  

  [A 
  few 
  words 
  on 
  the 
  larva 
  of 
  Melolontha.] 
  — 
  « 
  B'kCTHMK'b 
  Bmho- 
  

   A'kJlifl.» 
  [Herald 
  of 
  Viticulture], 
  Odessa, 
  1914, 
  nos. 
  7-8, 
  July- 
  

   August, 
  pp. 
  402-403. 
  

  

  In 
  1911, 
  the 
  larvae 
  of 
  Melolontha 
  destroyed 
  some 
  70 
  per 
  cent, 
  of 
  all 
  

   the 
  plantations 
  in 
  Central 
  Bessarabia, 
  in 
  one 
  place 
  of 
  5,000 
  young 
  

   plants 
  only 
  500 
  remained. 
  The 
  larvae 
  appear 
  periodically 
  every 
  

   four 
  years, 
  being 
  preceded 
  the 
  previous 
  year 
  by 
  the 
  beetles. 
  In 
  1914, 
  

   a 
  great 
  outbreak 
  of 
  the 
  beetles 
  occurred 
  in 
  some 
  districts 
  of 
  Bessarabia 
  

   at 
  the 
  beginning 
  of 
  May 
  and 
  they 
  destroyed 
  the 
  foHage 
  of 
  plums, 
  

   cherry, 
  apple 
  and 
  other 
  fruit 
  trees, 
  also 
  of 
  forest 
  trees, 
  especially 
  ash. 
  

   An 
  outbreak 
  of 
  the 
  larvae 
  may 
  therefore 
  be 
  expected 
  next 
  year, 
  and 
  

   vine-growers 
  should 
  take 
  precautions 
  against 
  them 
  by 
  deeply 
  ploughing 
  

   the 
  soil 
  of 
  existing 
  vineyards, 
  as 
  well 
  as 
  of 
  new 
  ones, 
  which 
  will 
  result 
  

   in 
  the 
  destruction 
  of 
  the 
  larvae 
  from 
  frost 
  during 
  the 
  winter 
  ; 
  by 
  

   placing 
  trap 
  heaps 
  of 
  dung 
  about 
  the 
  vineyards, 
  and 
  by 
  poisoning 
  

   the 
  larvae 
  by 
  powdering 
  the 
  roots 
  of 
  the 
  vines 
  early 
  in 
  spring 
  with 
  

   Paris 
  green 
  ; 
  powdering 
  can 
  be 
  done 
  by 
  means 
  of 
  hand 
  bellows 
  or 
  an 
  

   ordinary 
  rubber 
  syringe. 
  Paris 
  green 
  should 
  be 
  used 
  in 
  the 
  same 
  way 
  

   against 
  the 
  larvae 
  of 
  Polyphylla 
  fullo,'L., 
  which 
  does 
  enormous 
  damage 
  

   to 
  vineyards 
  in 
  the 
  Government 
  of 
  Taurida. 
  

  

  Lakin 
  (G. 
  I.). 
  AcipaxaHCKoe 
  BMHorpaACTBo 
  btj 
  1913 
  rofly. 
  [Astrachan 
  

   viticulture 
  in 
  1913.] 
  — 
  « 
  B'bCTHMK'b 
  BMHOfl"bnifl.» 
  [Herald 
  of 
  

   Viticulture'], 
  Odessa, 
  July-August 
  1914, 
  nos. 
  7-8, 
  pp. 
  390-399. 
  

  

  In 
  addition 
  to 
  an 
  account 
  of 
  the 
  general 
  state 
  of 
  viticulture 
  in 
  the 
  

   government 
  of 
  Astrachan 
  during 
  1913, 
  some 
  experiments 
  against 
  

   various 
  vine 
  pests 
  conducted 
  by 
  the 
  local 
  Entomological 
  station 
  are 
  

   reported. 
  A 
  series 
  of 
  experiments 
  on 
  different 
  insecticides 
  and 
  fungi- 
  

   cides 
  was 
  undertaken 
  in 
  a 
  vineyard, 
  which 
  in 
  the 
  previous 
  year 
  was 
  

   greatly 
  infested 
  with 
  mildew, 
  Oidium 
  and 
  Polychrosis 
  botrana, 
  SchifE. 
  

   On 
  3rd 
  April, 
  the 
  whole 
  of 
  this 
  vineyard 
  was 
  disinfected 
  with 
  iron 
  

   sulphate, 
  1 
  lb. 
  in 
  9 
  gallons 
  of 
  water, 
  after 
  which 
  part 
  of 
  it 
  was 
  left 
  at 
  

   the 
  disposal 
  of 
  the 
  owner, 
  while 
  the 
  remainder 
  was 
  divided 
  into 
  eight 
  

   plots 
  and 
  each 
  of 
  them 
  was 
  sprayed 
  twice— 
  on 
  23rd 
  May 
  and 
  3rd 
  July 
  — 
  

   with 
  various 
  solutions, 
  with 
  the 
  following 
  results 
  : 
  — 
  (1) 
  lazurin 
  (1 
  lb. 
  

   in 
  4J 
  gallons 
  of 
  water) 
  destroyed 
  mildew, 
  but 
  had 
  no 
  effect 
  on 
  the 
  

   moth 
  ; 
  (2) 
  polysulphides 
  (1 
  lb. 
  in 
  17 
  gallons 
  of 
  water) 
  destroyed 
  

   Oidium, 
  but 
  neither 
  mildew 
  nor 
  the 
  insect 
  ; 
  (3) 
  lazurin 
  and 
  Paris 
  

   green 
  (10 
  lb. 
  of 
  lazurin, 
  | 
  lb. 
  of 
  green 
  in 
  43 
  gallons 
  of 
  water) 
  destroyed 
  

   both 
  mildew 
  and 
  the 
  insect 
  ; 
  (4) 
  lazurin 
  and 
  djipsin 
  (5 
  lb. 
  of 
  

   lazurin, 
  1 
  lb. 
  of 
  djipsin 
  in 
  86 
  gallons 
  of 
  water) 
  had 
  the 
  same 
  effect 
  as 
  

   No. 
  3 
  ; 
  (5) 
  polysulphide 
  and 
  djipsin 
  (5 
  lb. 
  of 
  polysulphide, 
  1 
  lb. 
  of 
  

   djipsin 
  in 
  86 
  gallons 
  of 
  water) 
  destroyed 
  both 
  Oidium 
  and 
  the 
  insect 
  ; 
  

   (6) 
  polysulphide 
  and 
  green 
  (1 
  lb. 
  of 
  polysulphide, 
  1 
  lb. 
  of 
  green 
  in 
  

   86 
  gallons 
  of 
  water) 
  destroyed 
  both 
  Oidiwn 
  and 
  the 
  insect, 
  but 
  scorched 
  

   the 
  leaves 
  and 
  cannot 
  therefore 
  be 
  recommended 
  ; 
  (7) 
  Paris 
  green, 
  

   (1st 
  spraying, 
  3 
  oz. 
  of 
  green, 
  6 
  oz. 
  of 
  lime 
  in 
  18 
  gallons 
  of 
  water 
  ; 
  2nd 
  

   spra}ang, 
  3 
  oz. 
  of 
  green, 
  6 
  oz. 
  of 
  hme 
  in 
  14 
  gallons 
  of 
  water) 
  destroyed 
  

   the 
  insect 
  but 
  not 
  the 
  fungi 
  ; 
  (8) 
  djipsin 
  (1st 
  spraying 
  1 
  lb. 
  in 
  86 
  

   gallons 
  of 
  water 
  ; 
  2nd 
  spraying 
  double 
  strength) 
  had 
  the 
  same 
  

  

  