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Table 3 Effect of application of Trichoderma isolates on feeder root density of Kinnow mandarin under field conditions

From: Evaluation of the bioformulation of potent native strains of Trichoderma spp. against the foot rot/gummosis of Kinnow mandarin

Isolates

Feeder root density (cm3)

February–July 2016

(mean ± SD)1

July–February 2016–2017

(mean ± SD)1

Pooled mean 2016–2017

(mean ± SD)1

February–July 2017

(mean ± SD)1

February–July 2017–2018

(mean ± SD)1

Pooled mean 2017–2018

(mean ± SD)1

Pooled mean (Februray 2016 to July 2018)

(mean ± SD)1

T2 Parent

0.0064±0.0007h

0.0083±0.0008hi

0.0073±0.0012ghi

0.0109±0.0026ij

0.0156±0.0007h

0.0132±0.0031hi

0.0103±0.0040defg

T2 Mutant

0.0077±0.0006g

0.0104±0.0008g

0.0090±0.0016fgh

0.0167±0.0002f

0.0222±0.0023ef

0.0195±0.0033 ef

0.0143±0.0065bcdef

T3 Parent

0.0068±0.0011gh

0.0089±0.0005h

0.0079±0.0014efgh

0.0128±0.0003hi

0.0163±0.0019cdef

0.0145±0.0023 h

0.0112±0.0042 cdef

T3 Mutant

0.0080±0.0008g

0.0126±0.0007e

0.0103±0.0026def

0.0170±0.0007f

0.0234±0.0025f

0.0202±0.0038 def

0.0152±0.0065bcdef

T4 Parent

0.0117±0.0008de

0.0112±0.0007fg

0.0114±0.0007cde

0.0156±0.0007fg

0.0214±0.0005bcd

0.0185±0.0032fg

0.0150±0.0047 bcdef

T4 Mutant

0.0139±0.0004c

0.0167±0.0005c

0.0153±0.0016 b

0.0218±0.0011bc

0.0256±0.0007def

0.0237±0.0022 bc

0.0195±0.0052 abc

T16 Parent

0.0106±0.0005ef

0.0118±0.0009ef

0.0112±0.0009cde

0.0176±0.0012ef

0.0231±0.0022def

0.0203±0.0034 def

0.0158±0.0057abcde

T16 Mutant

0.0151±0.0011b

0.0184±0.0004b

0.0168±0.0019 ab

0.0236±0.0021b

0.0273±0.0013b

0.0254±0.0026 b

0.0211±0.0054 ab

T20 Parent

0.0113±0.0012def

0.0126±0.0000e

0.0120±0.0010 cd

0.0205±0.0003cd

0.0257±0.0003bc

0.0231±0.0029bcd

0.0175±0.0068abcd

T20 Mutant

0.0164±0.0003a

0.0204±0.0002a

0.0184±0.0022 a

0.0275±0.0004a

0.0299±0.0006a

0.0287±0.0014 a

0.0236±0.0062 a

T21 Parent

0.0056±0.0003ij

0.0073±0.0004ij

0.0065±0.0010 hi

0.0090±0.0002jk

0.0122±0.0003i

0.0106±0.0018 ij

0.0085±0.0028efg

T21 Mutant

0.0063±0.0002h

0.0084±0.0005hi

0.0073±0.0012fgh

0.0144±0.0004gh

0.0173±0.0008gh

0.0159±0.0017gh

0.0116±0.0051 cdef

T25 Parent

0.0078±0.0007g

0.0116±0.0004ef

0.0097±0.0021efg

0.0137±0.0010de

0.0183±0.0030g

0.0160±0.0032gh

0.0128±0.0044cdef

T25 Mutant

0.0102±0.0005f

0.0144±0.0004d

0.0123±0.0023 c

0.0192±0.0017gh

0.0247±0.0009cde

0.0220±0.0032 cde

0.0171±0.0062abcd

T.viride*

0.0120±0.0004d

0.0115±0.0006ef

0.0118±0.0005cd

0.0135±0.0014gh

0.0162±0.0007gh

0.0149±0.0018h

0.0133±0.0021bcdef

T.harzianum*

0.0050±0.0000j

0.0063±0.0007j

0.0057±0.0008ij

0.0079±0.0001k

0.0099±0.0003j

0.0089±0.0011j

0.0073±0.0021fg

Metalaxyl-M+Mancozeb*

0.0146±0.0008bc

0.0163±0.0012c

0.0155±0.0013 b

0.0198±0.0012cd

0.0229±0.0004ef

0.0214±0.0019 cdef

0.0184±0.0037abcd

Control

0.0047±0.0008j

0.0043±0.0007k

0.0045±0.0007j

0.0026±0.0004m

0.0017±0.0004k

0.0021±0.0006 k

0.0033±0.0014g

CD (p ≤ 0.05)

0.001

0.001

0.001

0.002

0.002

0.002

0.003

  1. T2, T3, T4, T16, T20 and T21 = T. asperllum, T25 = T. harzianum
  2. *Standard check
  3. 1Mean ± SD (standard deviation); values labeled with different letters are significantly different from the control level by Duncan test at 95.0% confidence