Evaluation of Field Efficacy of Zygogramma bicolorata on Parthenium hysterophorus in different soil textures.
A Trial Conducted by Dr. A. K. Mishra

Basic

Site 1

Site 2

Site 3

Site 4

Site 5

Site 6

Site 7

Site 8 Lab

 

CIPNC Control

Name of Place

Kawaghhar

Balagaon

Dhadhadava

Chanani

Shaga

Kaladih

Nimova

CIPNC

               

Count Tab.2X3'

Dist.

Raipur

Raipur

Bilaspur

Durg

Raipur

Raipur

Raipur

Raipur

 

(Maha)

(Dhamtari)

Gram Bham

Sandy soil

Soil type

Sandy loam

Matasi

Matasi

Black Cotton

Black cotton

Kharun

Muram

Sandy Soil

 

(Forest)

Ricefield bund

Near Rly Track

Bharri

 

Bank

   
           

Sandy

   
           

Grass land

   
Plant Population /sq.mtr

6.5

9.5

17.5

14.5

12

10.5

4.5

11

Plant Stage

Vegetative

Vegetative

Vegetative

Vegetative

Vegetative

Vegetative

Vegetative

Vegetative

No. of Adult release

Twopair

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--//--

--//--

--//--

--//--

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2Male+2Female

             
Date of release

7/8/1993

10/8/1993

12/8/1993

14/8/93

17/8/93

16/8/93

20/8/93

5/8/1993

Total No. of egg recorded

122

98

104

92

89

104

46

114

Total No. of grub recorded

86

52

70

68

72

82

38

103

Total No. of infected grub recorded

60

23

19

48

38

8

2

18

Total No. of new adult recorded

13

12

14

6

4

26

2

46

 
Data recorded upto 20-10-93 in weekly intervel.

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