SCREENING OF SOME BRINJAL CULTIVARS AGAINST BRINJAL SHOOT AND FRUIT BORER (Leucinodes orbonalis Guenee) AND STUDIES ON ITS BIOLOGY

Simple item page
dc.contributor.advisorRANA, RAJINDER SINGH
dc.contributor.authorSHARMA, AARTI
dc.date.accessioned2017-10-16T06:25:16Z
dc.date.available2017-10-16T06:25:16Z
dc.date.issued2017-10
dc.description.abstractABSTRACT The present studies on “Screening of some brinjal cultivars against brinjal shoot and fruit borer (Leucinodes orbonalis Guenee) and studies on its biology” was carried out during 2016 in the field and laboratory conditions in the Department of Entomology, Dr. Y S Parmar University of Horticulture and Forestry, Nauni, Solan. Eight brinjal cultivars viz. 'Brinjal Long (F1)', 'DS-407', 'Ganesh', 'Long Green', 'Neelkanth', 'Prapti', 'Pusa Purple Cluster' and 'Pusa Purple Long' were evaluated against brinjal shoot and fruit borer, L. orbonalis (Guenee) under field conditions. Egg and larval count of L. orbonalis was made on these cultivars. The per cent shoot infestation in different brinjal cultivars were evaluated on basis of number of shoot damaged whereas the per cent fruit infestation in different brinjal cultivars were evaluated on the basis of number of damaged fruits and this was correlated with various parameters like fruit length, fruit diameter, fruit shape, fruit pericarp thickness, fruit weight, fruit yield, plant height, stem diameter, number of leaf hairs and total phenolic content. None of the cultivars were found to be tolerant to shoot attack of L. orbonalis infestation but considerable variation of infestation was recorded among different cultivars. The per cent fruit damage varied from 6.66% to 46.63% recording the minimum fruit infestation in 'DS-407' and 'Ganesh' while the maximum fruit infestation was observed in 'Prapti' which was at par with 'Pusa Purple Long' and 'Neelkanth'. Egg population, larval poulation, fruit weight loss, fruit pericarp thickness, fruit weight, fruit yield, plant height, stem diameter were found to be positively correlated with per cent fruit infestation while fruit shape index, leaf hairs and total phenol content were found to be negatively correlated with the attack of fruit borer. Two brinjal cultivars 'Neelkanth' and 'Pusa Purple Long' were taken to study the developmental biology of the brinjal shoot and fruit borer under laboratory condition. The incubation period was 3.72 and 3.51 days on 'Neelkanth' and 'Pusa Purple Long' whereas the larval period was found 13.52 and 14.39 days on 'Pusa Purple Long' and 'Neelkanth'. The total developmental period was 24.52 and 26.41 days on 'Pusa Purple Long' and 'Neelkanth' cultivars, respectively. The fecundity was more on 'Pusa Purple Long' (210.20 eggs per female), as compared to 'Neelkanth' cultivar (193.40 eggs per female). The total phenol content was estimated on all eight brinjal cultivars and it was found that maximum in 'DS-407' cultivar (49.65 mg per 100g leaves) whereas, it was minimum in the 'Prapti' cultivar (37.66 mg per g leaves). The cultivar ‘DS-407’ having higher total phenol content i.e. 49.65 mg per 100g leaves was found to have lower fruit infestation.en_US
dc.identifier.urihttp://krishikosh.egranth.ac.in/handle/1/5810033126
dc.keywordsbrinjal cultivars against brinjal shoot,fruit borer (Leucinodes orbonalis Guenee),biologyen_US
dc.language.isoenen_US
dc.pages64=111en_US
dc.publisherUHF,NAUNIen_US
dc.research.problemFRUIT BORER,BRINJALen_US
dc.subEntomologyen_US
dc.subjectnullen_US
dc.themebrinjal cultivars against brinjal shoot,fruit borer (Leucinodes orbonalis Guenee),biologyen_US
dc.these.typeM.Scen_US
dc.titleSCREENING OF SOME BRINJAL CULTIVARS AGAINST BRINJAL SHOOT AND FRUIT BORER (Leucinodes orbonalis Guenee) AND STUDIES ON ITS BIOLOGYen_US
dc.typeThesisen_US
Files
Original bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
PDF M.Sc. Thesis Aarti Sharma (2017).pdf
Size:
1.17 MB
Format:
Adobe Portable Document Format
Description:
ENTOMOLOGY
Download
License bundle
Now showing 1 - 1 of 1
No Thumbnail Available
Name:
license.txt
Size:
1.71 KB
Format:
Item-specific license agreed upon to submission
Description:
Download
Collections
Theses