Arun, M.N

Designation: 
Senior Technical Officer (Field/Farm)
Division/Section: 
Section of Seed Science & Technology
Qualification: 
M.Sc (Ag.)
Order: 
6781

Padmini, K

Designation: 
Senior Scientist (Horticulture)
Division/Section: 
Section of Seed Science & Technology
Specialisation: 
in M.Sc (Hort) : Crop improvement in Tomato ; PhD (Hort) : Hybrid Seed production of Chilli; Current area of specialization : Hybrid seed production of horticultural crops
Qualification: 
Ph.D (Horticulture)
Experience (No. of Years): 
16
Research Accomplishments: 

• Developed pollination technique for efficient hybrid seed production of brinjal Cv.Arka Navneet. • Standardised pollination technique for efficient hybrid seed production of chilli using Cytoplasmic genic male sterile lines to avoid emasculation • Standardised pollination technique for efficient hybrid seed production of tomato using exserted stigma (Ex-3) lines to avoid emasculation • Standardised the time of planting for effective synchronization of flowering in Cytoplasmic male sterile lines and Pollinator lines of Onion Cv.Arka Lalima. • The inheritance of seed dormancy in brinjal was found to be dominant the knowledge of which would be useful in brinjal breeding to incorporate or exclude seed dormancy. • Standardised pollination technique for efficient hybrid seed production of brinjal using functional male sterile line (ms-1) to avoid emasculation. • Optimised the planting ratio of functional male sterile line (ms-1) and Arka Keshav for natural cross pollination (with out emasculation) .5:1 was found to be optimum. • Identified the isolation requirements of ridge gourd • Standardised optimum seed to pollen ratio in hybrid seed production of tomato(Hybrid Arka Abhijit) • Standardised position and number of flowers/truss to be pollinated in hybrid seed production of tomato(Hybrid Arka Abhijit) • Standardised pollen collection method and drying in hybrid seed production of tomato (Hybrid Arka Abhijit) • Standardised the time of emasculation in crossing in Tomato in hybrid seed production of tomato (Hybrid Arka Abhijit) • Standardised the time of planting for synchronization of flowering in parental lines in Tomato (Hybrid Arka Abhijit) • Standardised optimum row ratio in hybrid seed production technology for natural cross pollination in chilli (using Cytoplasmic genic male sterile lines).3:1 was found to be optimum. • Identified the isolation requirements of tomato seed production using exserted stigma line. • Standardised technology for improving crossing efficiency in hand pollination of chilli using Cytoplasmic genic male sterile lines in hybrid Arka Harita (without emasculation) • Standardised technology for improving crossing efficiency in natural cross pollination of chilli using Cytoplasmic genic male sterile lines in hybrid Arka Harita (with out emasculation and pollination) • Identified reasons for poor seed set to improve seed production in china aster cv.Poornima (Powder Puff type) • Developed technology for improving for improving seed yield in china aster Cv.Poornima (Powder Puff type)

Important Publications: 

1)Padmini, K., and E.Vadivel. 1996. Genetic analysis in Tomato. Lycopersicon esculentum Mill. South Indian Hort. 44 (3&4):71-74 2)Padmini, K., and E.Vadivel. 1997. Studies on genetic variability and heritability in F2 generation of Tomato (Lycopersicon esculentum) Mill. South Indian Hort. 45 (1&2):1-4. 3)Venugopal,M.N and K.Padmini. 1999. Studies on crossability between elite types of cardamom (Elettaria cardamomum Maton). Journal of Spices and Aromatic Crops. 8(2):185-87. 4)Padmini, K. M.N.Venugopal and B.Sasikumar. 2000. Performance of hybrids, open pollinated progenies and inbred of cardamom (Elettaria cardamomum Maton) under coorg nursery condition. Indian Journal of Agricultural Sciences. 70(8):550-551. 5)Padmini,K, Venugopal,M.N. and S.J.Anke Gowda. 2000. Heterosis for seedling characters in cardamom (Elettaria cardamomum Maton). Journal of Spices and Aromatic Crops. 9(2):149-153. 6)K.Padmini and L.B.Naik 2006. Studies on the extent of genetic contamination in seed production of ridgegourd. (Luffa acutangula Roxb.). Journal of Horticultural Sciences , 1(1): 55-57. 7)Padmini,K, Veere Gowda and L.B.Naik 2007 Studies on parental synchronization in flowering for hybrid seed production in Onion (Allium cepa L). Journal of Horticultural Sciences, 2 (1) :47-49. 8)Padmini K., H.S.Yogeesha and L.B.Naik. 2008. Genetics of fresh seed dormancy in brinjal (Solanum melongena). Indian Journal of Agricultural Sciences,78 (4) :304-308. 9)Padmini, K, L.B.Naik , H.S. Yogeesha and A.T.Sadashiva (2011). Influence of female to male flower crossing ratios on hybrid seed yield and quality in tomato (Solanum lycopersicum L ) cv Arka Abhijit. Indian Journal of Agricultural Sciences, 81(11): 1074 -77. 10)Padmini, K (2011). Hybrid seed production- problems and prospects. In compendium on “International Training programme on Quality Seed and Planting material Production of Horticultural Crops under Indo Africa Forum Summit”, IIHR, Bangalore. PP. 92-96.

Order: 
1040
Contact Details
Address for Communication: 
Sr. Scientist (Horticulture), Section of Seed Science and Tech., IIHR, Bangalore-89
Email Address: 
kpadmini@iihr.ernet.in
Telephone #: 
28466420

Eugene Sebastian J.N.

Designation: 
Principal Scientist (Organic Chemistry)
Division/Section: 
Section of Medicinal & Aromatic Crops
Specialisation: 
Natural product chemistry; synthesis of fungicides; structure-activity relationship studies
Qualification: 
Ph.D.
Date of Birth: 
11/30/1953
Experience (No. of Years): 
34
Permanent Address: 
81, 5th Cross, 8th Main, Tata Nagar, Bangalore- 560 092
Research Accomplishments: 

1. Complete chemical characterization of chief antifungal fraction of Ipomoea carnea subsp. fistulosa as a mixture of E and Z isomers of octadecyl p-coumarates and delineation of NMR signals of the isomers by heteronuclear spin quantum coupling (HSQC) method and development of a rapid spectrophotometric method for the quantitative estimation of octadecyl p-coumarates. 2. Identification of the antifungal principles in tuberose, jasmine, Aloe vera and Mucuna pruriens. 3. Structure-antifungal activity relationship studies of some organic compounds with varying number of hydroxyl groups. 4. Quantitative structure-fungitoxicity relationship studies of some monohydric alcohols. 5. Structure-fungitoxicity relationship studies of some volatile flavour constituents of the edible mushrooms Agaricus bisporus and Pleurotus florida and structure-fungitoxicity relationship studies of the monoterpenoids of the essential oils of peppermint (Mentha piperita) and scented geranium (Pelargonium graveolens). 6. First reports on the antifungal activity of tomato and watermelon seed extractives. 7. First report on the nematicidal activity of onion seed extractive and identification of colchicine as a nematicidal principle of Gloriosa superba. 8. Quantitative structure-activity relationship studies on O, O-bisaryl alkyl phophonates fungicides by Hansch approach and principal component analysis. 9. Synthesis, fungitoxicity assay and quantitative structure-activity relationship studies of O, O-bisaryl isopropyl phosphonates and detailed study of the steric aspects in the fungicidal activity of O, O-bisaryl isopropyl phosphonates. 10. Identification of vitexin and other chemical constituents in Heylandia latebrosa.

Important Publications: 

1. Eugene Sebastian J. Nidiry, Application of HSQC in the delineation of NMR signals of E and Z isomers of octadecyl p-coumarates, Magnetic Resonance in Chemistry, 50, 2012, 7, 511-514. 2. Eugene Sebastian J. Nidiry, Girija Ganeshan and A.N. Lokesha, Antifungal activity and isomerization of octadecyl p-coumarates from Ipomoea carnea subsp. fistulosa, Natural Product Communications, 6, 2011, 1889-1892. 3. Eugene Sebastian J. Nidiry and C. S. Bujji Babu, Antifungal activity of tuberose absolute and some of its constituents, Phytotherapy Research, 19, 2005, 447-449. 4. Eugene Sebastian J. Nidiry, Quantitative structure-fungitoxicity relationship of some monohydric alcohols, Journal of Agricultural and Food Chemistry, 51, 2003, 5337-5343. 5. Eugene Sebastian J. Nidiry, Structure-fungitoxicity relationships of some volatile flavour constituents of the edible mushrooms Agaricus bisporus and Pleurotus florida, Flavour and Fragrance Journal,16(4), 2001, 245-248. 6. Eugene Sebastian J. Nidiry, Antifungal activity of tomato seed extracts, Fitoterapia, 70, 1999, 181-183. 7. Eugene Sebastian J. Nidiry, Structure-fungitoxicity relationships of the monoterpenoids of the essential oils of peppermint (Mentha piperita) and scented geranium (Pelargonium graveolens), Journal of Essential Oil Research, 10,1998, 628-631. 8. Nripendra K. Roy, Eugene Sebastian J. Nidiry, Kannan Vasu, Sachchidananda Bedi, Bhanudooth Lalljee, and Balbir Singh, Quantitative structure-activity relationship studies on O,O-bisaryl alkyl phophonates fungicides by Hansch approach and principal component analysis, Journal of Agricultural and Food Chemistry, 44, 1996, 3971-3976. 9. Eugene Sebastian J. Nidiry and N. K. Roy, Steric aspects in the fungicidal activity of O,O-bisaryl isopropyl phosphonates, Pesticide Biochemistry and Physiology, 49,1994,164-171. 10. Eugene Sebastian J. Nidiry and N. K. Roy, Synthesis, fungitoxicity and quantitative structure-activity relationships of O,O-bisaryl isopropyl phosphonates, Indian Journal of Chemistry, 27B, 1988, 1024-1028.

Order: 
135
Contact Details
Address for Communication: 
Section of Medicinal Crops, IIHR, Hessaraghatta Lake Post, Bangalore- 560089
Email Address: 
esjn@iihr.ernet.in; nidiry@yahoo.co.in
Telephone #: 
9886541035
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