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Eco- friendly management of Fusarium wilt of Chickpea (Cicer arietinum L.)

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Title Eco- friendly management of Fusarium wilt of Chickpea (Cicer arietinum L.)
 
Creator Pandey, Madhumita
 
Contributor Simon, Sobita
 
Subject vegetative propagation, layering, iba, iaa, diseases, biological development, biological phenomena, guavas, planting, concentrates
Chickpea, Fusarium wilt, Pseudomonas fluorescens, Organic manure, Soil solarization
 
Description A Thesis titled “Eco- friendly management of Fusarium wilt of Chickpea (Cicer arietinum L.)” was submitted in partial fulfillment of the requirement for the award of the degree of Doctor of Philosophy in Agriculture Plant Pathology by Madhumita Pandey.
Chickpea is the most important pulse crop among the major Rabi pulse of India. Fusariums
wilt which is caused by Fusarium oxysporum f.sp. ciceri is considered to be the most
devastating disease of this crop. Survey for the assessment of chickpea wilt disease was
conducted during 2012-14 in chickpea growing areas of Allahabad District. In this survey
maximum Fusarium wilt disease incidence (66%-57.7%)) was recorded in Jarar and lowest
was in Naini and Jorwat (11.75%) in the cropping season 2012-14. The general inadequacy of
chemical fungicides to tackle Fusarium wilt in chickpea, has lead to the search for
ecofriendly management to these disease. Twenty isolates of Pseudomonas fluorescens were
isolated from chickpea field and evaluated against Fusarium oxysporum f.sp. ciceri in vivo
and in vitro. Out of twenty isolates five isolates PF4- (89.45%), PF-13(86.76%), PF-
18(90.04%), PF-19(84.49%) and PF- 20(83.89%) were showing highest percentage inhibition
of radial growth Fusarium oxysporum f.sp. ciceri in dual culture. Among organic manure
highest reduction in mycelial growth was found in Neem cake (68.06%). In vivo the highest
germination percentage were found in (98.40 %-97.43%) in PF -19. Pseudomonas
fluorescens isolates (PF- 18) were showing significant reduction in wilt incidence (82.56%-
79.97%) at 30 DAS, (70.88%-70.51%) at 60 and (73.40%-72.35%) at 90DAS respectively
during (2012-14). Maximum shoot length (cm) (15.73, 25.46 and 44.10),(15.93,35.93 and
45.36) and root lengths (7.46, 9.82 and 13.36), (6.52, 10.63, and 13.56) at 30, 60 and 90 DAS
were recorded in PF-20. The dry shoot and root weight significantly increase in isolate PF18
and isolate PF-20. The highest number of pods per plant (70.30 and 73.03) and yield (912.6
and 996.0 kg) were observed in isolate PF-18. Among organic manure and improved cultural
practices, highest germination percentage (96.26% and 97.16%), reduction in wilt incidence
(78.91, 74.91 and 78.91) ,(78.91,69.70 and 72.23) in 2012-14 at 30,60 and 90 DAS were
recorded in Soil solarization. In growth parameter maximum shoot-root length and dry shoot
–root weight were significantly increased in Neem cake and in Soil solarization. Highest
numbers of pods/plant (63.60 and 64.13), (61.10 and 62.16) and maximum yield (982.0kg
and 987.3kg) (870.3 kg and 881.3 kg) were recorded in treatment soil solarization and Neem
cake respectively in 2012-14.
 
Date 2016-12-16T11:12:53Z
2016-12-16T11:12:53Z
2016
 
Type Thesis
 
Identifier http://krishikosh.egranth.ac.in/handle/1/90504
 
Language en
 
Format application/pdf
 
Publisher Sam Higginbottom Institute of Agriculture, Technology & Sciences (SHIATS)