Technologies Developed/Varieties Released

• Cultivation of banana cv. Dwarf Cavendish under double hedge row system with the spacing 1.0 x 1.6 x 2.4 m for higher yield.
• Closer spacing (5’ x 6’) in banana cv. Robusta for higher bunch weight in main, first and second ratoon crops.
• Higher fruit yield in banana cv. Robusta adopting a spacing of 1.2 x 1.2 x 2m under double hedge row system
• Banana – lablab intercropping system for higher returns.
• Black polyethylene as effective mulch for banana
• Application of 110:35:330g NPK per plant for higher fruit yield in banana Robusta
• Higher bunch weight in banana cv. Poovan under a spacing of 2.1 x 2.1m
• High density planting (2 x 2m with three suckers per hill) for higher fruit yield in banana cv. Nendran
• High density planting (3.6 m x 1.8 m with three suckers / hill) for higher yield per hectare with 50% saving in fertilizer cost in banana cv. Robusta
• Application of 50 percent NPK in soil and rest through foliar sprays at 3^rd, 5^th, 7^th and 9^th month for better fruit yield in banana cvs. Robusta and Nendran
• Foliar application of ZnSO₄ (0.5%) + CuSO₄ (0.2%) + FeSO₄ (0.2%) + H₃BO₃ (0.1%) during 3^rd and 5^th month after planting for higher fruit yield and quality in banana cv. Robusta.
• Bunch spray of 2, 4-D within 20 days of last hand opening for controlling seediness (Kottaivazhai) in banana cv. Poovan.
• Use of white transparent bunch cover with 2 per cent ventilation for early maturity, lower blemishes and improved fruit characters in banana.
• Fertigation schedule with 100 percent N & K and soil application of 100 percent P for higher bunch weight and B:C ratio in banana cv. Robusta.

• Application of 50g each in N, P and K at bimonthly intervals from third month after planting, along with biofertilizers and bioinoculants (Azospirillum + VAM(50g/plant) + PSB + Pseudomonas fluorescens (25g/plant) + Trichoderma viride (50g/plant) + PSB + Pseudomonas fluorescens(25g/plant) + Trichoderma viride (50g/plant) for more number of fruits and higher fruit weight.
• Application of 50g each in N, P and K per plant at bi-monthly intervals from third month of planting after removing unwanted sex forms and 20g each in Azospirillum and Phosphobacterium at planting and again six months after planting for higher fruit yields.
• Application of 10 litres of water per day + 13.5g urea and 10.5g muriate of potash per week through fertigation for more number of fruits and higher fruit weight.
• Foliar application of ZnSO₄ 5 % + H₃BO₃ 0.1 % during fourth and eighth month after planting for improved fruit and latex yield.
• Maintenance of one male tree for 20 female trees for proper fruit set.
• Closer spacing of 1.4 X 1.4m for higher number of fruits and 1.8 X 1.8m for better papain yield per fruit.

• Spraying of GA₃ at 20 ppm at berry diameter of 8-10 mm for Grapes cv. Red Globe increased the bunch weight (783.04 g), yield per vine (17.23 kg) and yield per hectare (41.50 t) and the highest BC ratio of 4.89 as against 2.57 in control
• Allowing fruiting in 50% of the canes and vegetative growth in remaining 50% of the canes resulted in the highest cumulative yield of 38.20 kg / vine against 31.50 kg/ vine in conventional method (allowing fruiting in all the canes of a vine).

• Sequential cropping system of cassava with vegetable cowpea for better return.
• Production practices for cultivation of capsicum and tomato in polyhouse.
• Production practices for cultivation of tomato under shadenet.
  Weed management in onion.
• Application of SOP for high yield and quality in tomato.
• Application of foliar spray for high yield and quality in vegetables.
• Production of virus free elite planting materials in cassava through tissue culture.
• Shadenet cultivation of cucumber.
• Mass multiplication of virus free cassava planting materials.

• Quality planting material production using single bud rhizome in turmeric
• Fertigation technology in turmeric
• Off season production of leafy coriander under shade net condition
• Nutrient management in fenugreek
• Management of turmeric rhizome rot
• Management of foliar diseases in turmeric
• Management of powdery mildew in coriander
• Management of root rot in fenugreek

• Protected cultivation technology: for cut chrysanthemum, anthurium and Dendrobium orchid have been developed
• Technologies for jasmine: Drip irrigation, fertigation, mulching technology for jasmine  and export packaging technology have been standardized
• Biofertilizer requirements for anthurium variety Temptation
• Pre-and post harvest technology for carnation and micronutrients for African marigold hybrid L3 (AVT) have been standardized
• Micropropagation protocols for petunia, anthurium, Dendrobium orchid and  chrysanthemum have been developed.
• Jasmine: Standardization of precision production technology, eco-friendly methods to manage major pests and diseases and post harvest technologies
• African marigold: Standardization of precision production technologies, eco-friendly pest and disease management and effective packaging techniques
• Carnation: Comparative study on performance under medium cost and low cost polyhouses, standardization of precision production technologies, techniques to manage calyx splitting, eco-friendly pest and disease management and post harvest technologies
• Dry flowers: standardization of technologies for processing and product making.

Fruit crops

S.No.	Crop	Name of the variety	Parentage	Year of Release
1	Acid lime	PKM 1	Selection from Kadayam	1990
2	Lime	VRM I	Selection from Tahiti lime seedlings	2016
3	Aonla/Amla	BSR.1	Selection from Thimbam local	1995
4	Apple	KKL.1	Selection from Parlin’s Beauty	1987
5	Avacado	TKD.1	Selection from germplasm pool	1997
6	Banana	CO 1	It was evolved through multiple crossing i.e. Ladan x Musa balbisiana (AAB) (BB) clone ‘Sawai’ F1 (AB) x Kadali (AA)   CO.1 (AAB)	1984
7		CO 2	Karpooravalli (ABB) x Pisang Lilin (AA)	2019
8	Custard apple	APK (Ca) 1	Selection from State Horticultural farm, Courtallam	2003
9	Fig	YCD.1 TIMLA FIG	Introduction	1993
10	Guava	TRY (G) 1	Selection from germplasm	2005
11	Jack	PLR.1	Selection from Panikkankuppam local of Panruti taluk, South Arcot district.	1992
12		PPI.1	Selection from Mulagumoodu local near Pechiparai	1996
13		PLR (J) 2	Selection from Pathirakkotai Local.	2007
14	Mango	PKM 1	Clonal selection from the hybrid, Chinnaswarnarekha and Neelum	1981
15		PKM 2	Hybrid between Neelum and Mulgoa	1990
16		PAIYUR 1	Clonal selection from Neelum variety of mango from Karukkanchavadi village of Kaveripattinam, Dharmapuri district.	1992
17	Manilla tamarind (Kodukkapuli)	PKM (MT)1	Selection from Soolakkarai at Virudhunagar district.	2008
18	Papaya	CO.1	Selection from Ranchi type	1972
19		CO.2	Selection from a local type	1979
20		CO.3	Hybrid derivative of the cross between CO.2 (female parent) and Sunrise Solo (male parent).	1983
21		CO.4	Selection from Washington type	1983
22		CO.6	Selection from a giant papaya.	1986
23		CO.7	Multiple cross hybrid involving the parents Pusa Delicious, CO.3, CP.75 and Coorg Honey Dew	1997
24		CO8	Initial selective hybridization of CO2 (yellow pulped) with red anthered male followed by intermating and repeated selection in segregating population for red pulp colour	2012
25	Pomegranate	CO.1	It is a clonal selection.	1983
26		YCD.1	It is a clonal selection from Acc. No.455 suitable for mid elevation of Shevroys hills.	1985
27	Sapota	CO.1	It is a hybrid clone of the cross between Cricket Ball and Oval.	1972
28		CO.2	Selection from Baramasi.	1974
29		CO 3	Hybrid between Cricket Ball and Vavilavalasa	2000
30		PKM 1	Selection from Guthi	1981
31		PKM 2	Hybrid between Guthi and Kirtibarthi varieties	1992
32		PKM.3	It is a hybrid between Guthi x Cricket Ball.	1994
33		PKM (Sa) 4	It is a open pollinated clone of PKM 1	2003
34		PKM (Sa) 5	It is a selection from open pollinated seedlings maintained in a private orchard at Virudhunagar.	2007
35	Butter pear	Ooty 1 PC – 5	Seln. from PC – 5	2014

Total no. of varieties released in fruit crops  – 35

Vegetable crops

S.No.	Crop	Name of the variety	Parentage	Year of Release
1	Amaranthus	CO 1	Selection from a type collected from Tirunelveli (Amaranthus dubius Mart exThell.)	1968
2		CO 2	Selection from a germplasm type of Thanjavur	1979
3		CO 3	Selection from the local type	1988
4		CO 4 Grain type	Selection from  green cum grain type from A. hypochondriacus L.	1989
5		CO 5	Selection from germplasm (A 166-1)	1998
6		PLR 1	Selection from Thiruvannamalai	2013
7	Annual moringa	PKM 1	Selection from the population generated	1989
8		PKM 2	It is a hybrid derivative developed by cross between MP31 (Eppodumvendran local) X MP28 (Arasaradi local)	2000
9	Ash gourd	CO 1	Selection from a local type from Tamil Nadu	1971
10		CO 2	Selection from Coimbatore local	1982
11	Ash gourd Hybrid	CO1	F1 hybrid between PAG 3 x CO 2	2012
12	Beet root	Ooty 1	Selection from the local type.	1992
13	Bhendi	CO 1	Selection from the ‘Red Wonder’ introduced from Hyderabad.	1976
14		MDU 1	It is an induced mutant from Pusa Sawani through gamma rays.	1978
15		CO 2	It is a F1 hybrid between A.E. 180 and Pusa Sawani.	1987
16		CO 3	F1 hybrid between Parbhani Kranti x MDU.1 (Hy.8)	1991
17		COBhH1	It is an VU Selection / PA 4 (T).	2007
18	Bitter gourd	CO 1	Selection from a local type collected from Thudiyalur (Long Green)	1978
19		MDU 1	It is an induced mutant developed by gamma irradiation to local cultivar (MC 103)	1984
20		COBgoH1	It is a F1 hybrid developed by a crossing MC.84 x MDU.1	2001
21	Bottle gourd	CO 1	Selection from a germplasm type	1981
22		PLR 1	Selection from Palur local type	2017
23		PLR 2	Selection from Uchimedu Local	2018
24	Bottle gourd Hybrid	CO1	F1 hybrid developed by crossing NDBG 121 x Arka Bahar	2012
25	Brinjal	CO 1	Selection with crop duration of 160 days	1978
26		MDU 1	Selection from Kallampati local type near Madurai.	1979
27		PKM1	It is an induced mutant of a local type called ‘Puzhuthi kathiri’.	1984
28		CO 2	Selection from the local variety ‘Varikkathiri’ of Negamum, Coimbatore district.	1988
29		PLR 1	It is a reselection from a Nagpur ecotype.	1990
30		KKM 1	Selection from Kulathur local near Tirunelveli	1995
31		PPI(B) 1	Selection (PPI (B) 1) from Karungal local type Vazhuthunangai	2001
32		COBH 1	It is a F1 hybrid between EP 45 x CO.2	2001
33		PLR(B) 2	Selection from Sevanthampatti village of Trichy District.	2008
34		COBH 2	F1 hybrid developed by crossing EP65xPusa Uttam.	2009
35		VRM1	Pureline selection	2010
36	Butter beans	KKL 1	Selection from a type collected from Vilpatti	1991
37	Carrot	Ooty 1	Selection from half-sib progeny of a local type (D.C.3)	1997
38	Cauliflower	Ooty 1	Selection from OP progenies of local types.	1998
39	Cerely	Ooty 1	Selection from the six germplasm types	2010
40	Chakravarthikkeerai	Ooty 1	Selection made from CA-3-1	2001
41	Chilli	K 1	Selection from local Sattur Samba	1964
42		K 2	It is a hybrid derivative of the cross between B.70 A (Assam type) x Sattur Samba.	1975
43		MDU 1	It is an induced mutant from K.1 chillies by using 30 KR of gamma rays	1978
44		CO 1	Reselection from Sattur Samba [CA (p) 247].	1979
45		CO 2	Selection from Nambiyur local ‘Gundu’ type of Erode district of Tamil Nadu [CA (p) 63].	1982
46		PKM 1	Hybrid derivative of the cross between AC. No. 1797 x CO.1 selected in F4 generation and fixed by selfing	1990
47		CO 3	Selection from an open pollinated type introduced from Sri Lanka (CA, 856).	1991
48		PMK 1	It is a hybrid derivative of a cross Co.2 x Ramanathapuram gundu (Local)	1993
49		PLR 1	Selection [CA (Q) 8] from Kanchengadu local type	1994
50		CO 4	Selection made from an open pollinated type introduced from Sri Lanka	2000
51		KKM(Ch) 1	Hybrid derivative of Acc. 240 / CO-3	2006
52		CO CH 1	–	2010
53	Coccinia	CO 1	Selection from Anaikatti type.	2012
54	Coleus	CO 1	Selection from local type introduced from Tenkasi.	1991
55	Colocasia	CO 1	Selected from the germplasm	1991
56	Cowpea	PKM 1	Selection from a local type of Kanyakumari District	2011
57	Cucumber	CO 1	Selection from a local type of Kanyakumari District	1989
58	Dolichos bean	CO 1	Selection (Dolichos lablab var.typicus) from a type collected under All India Co-ordianted Vegetable Improvement Project.	1993
59	French beans	TKD 1	Selected from germplasm population	1988
60		YCD 1	Selection from a local indigenous type collected from Shevroy hill ranges of Tamil Nadu.	1994
61		Ooty 1	Selection from accession PV-26	1999
62		Ooty 2	Selection from PV 15-1	2002
63		Ooty 3	Pureline selection	2016
64	Garlic	Ooty 1	Selection from the germplasm	1991
65		Ooty 2	Selection from Godalatty Local	2018
66	Greater yam	CO 1	Selection from the germplasm introduction	1991
67	Moringa beans	KKL 1	Selection from local type collected from Pallangi village of Kodaikanal taluk	1996
68	Onion	CO 1	Selection from a germplasm type CS 450 introduced from Manachanallur	1965
69		CO 2	Selection from a germplasm type C.S. 911.	1975
70		CO 3	Selection from open pollinated progenies of C.S. 450.	1979
71		MDU 1	Selection from the Sempatti local.	1979
72		CO 4	Hybrid derivative of the cross AC863 x CO.3	1982
73		CO (On) 5	Pedigree selection	2001
74		CO 6	Mass selection	2019
75	Palak	Ooty 1	Selection	1995
76	Peas	Ooty 1	Selection (PS-33-1)	2000
77	Pole type	Ooty 1	Pure line selection.	1999
78	Potato	CO Simla potato	Selection from the hybrids obtained from CPRI, Simla.	1970
79	Pumpkin	CO 1	Selection from local type.	1971
80		CO 2	Selection from a local type.	1974
81	Radish	CO 1	Selection from germplasm type (RS 44).	1981
82	Ribbed gourd	CO 1	Selection from the type collected from Aduthurai.	1976
83		PKM 1	It is an induced mutant from the type	1980
84		CO 2	Selection from a germplasm type	1984
85		COH1	F1 hybrid between between IC410147 X IC373361	2017
86	Snake gourd	CO 1	Selection from one of the types collected from Alangulam, Tirunelveli district.	1976
87		PKM 1	It is an induced mutant from H.375	1979
88		MDU1	Selection-1 from Thaniyamangalam.	1981
89		CO 2	Selection from a local type of Coimbatore district	1986
90		PLR(SG) 1	Selection from white long type	2007
91		PLR (SG) 2	Pure line selection from white long type	2009
92		COH1	Hybrid between Kethanur Local x CO 2	2016
93	Newzealand spinach	OOTY (Sp) 1	Selection from germplasm types.	2005
94	Sweet potato	CO 1	Selection (IB 3) from a type collected from Tiruchirapalli district.	1976
95		CO 2	It is a clonal selection (IB 81) of seedling progeny	1980
96		COCIP 1	It is a clonal progeny of IB 90-10-20 developed through half sib evaluation of open pollinated seedlings	1999
97		CO 3	It is a seedling clone (IB 2837) obtained from the seeds of random mating population of IB 758.	1983
98	Tapioca	CO 1	Selection from a local type (ME 7) collected from Triuchirapalli district.	1977
99		CO 2	Selection (ME 167) from an open pollinated seedling progenies raised from the seeds collected from Thiruvarur District	1984
100		MVD 1	It was released by the State Department of Horticulture from Tapioca Experiment Station, Mulluvadi of Salem District,	1983
101		CO 3	Selection (ME 120-1)	1993
102		CO 4	Selection from one of the seedling progenies of the hybrid SM1679 (CM 2766-5 x CM 4843) obtained from CIAT.	2002
103		CO(Tp) 5	It is an exotic germplasm introduced from CIAT, Cali, Colombia (MNga-1)	2007
104		YTP 1	Selection from germplasm collection	2013
105		YTP 2	Selection from germplasm collection	2019
106	Tomato	CO 1	Selection isolated from American variety “Pearl Harbour”.	1969
107		CO 2	Selection from a Russian introduction.	1974
108		PKM 1	It is another induced mutant from a local variety called Annanji	1978
109		CO3	Co.3 (Marutham) was evolved through induced mutation by treating the seed of CO.1 tomato (IM 39) with EMS.	1980
110		Paiyur 1	It is a hybrid derivative of a cross between Pusa Ruby and Co.3 (Marutham)	1988
111		COTH 1	It is a hybrid developed by crossing IHR 709 X LE.812	1998
112		COLCRH 3	It is hybrid developed from LCR 2 / CLN 2123 A	2006
113		COTH 3	F1 hybrid developed by crossing HN2xCLN 2123A	2010
114		Tomato Hybrid CO 4	F1 hybrid between LE 1226 X LE 1249	2019
115	Watermelon	PKM 1	Selection from a local type.	1993

Total no. of varieties released in vegetable crops  – 115

 Spices and Plantation crops

S. No.	Crop	Name of the variety	Parentage	Year of Release
1.	Cinnamon	YCD 1	Selection from the germplasm of open pollinated seedlings from Yercaud.	1995
2.		PPI (Ci) 1	Selection from the germplasm of open pollinated seedlings	2003
3.	Coriander	CO 1	Selection from a germplasm type.	1977
4.		CO 2	Reselection from a type P2 of Gujarat.	1982
5.		CO 3	Reselection from accession 695 introduced from IARI, New Delhi.	1991
6.		CO 4	It is a single line selection from Lam (Andhra Pradesh) type.
7.	Fennel	CO 1	It is a selection from a local type introduced from Gujarat.	1985
8.	Fenugreek	CO 1	It is a reselection from a type TG 2336, introduced from North India.	1982
9.		CO 2	It is a selection from germplasm collection (CP 390)	1999
10.	Tamarind	PKM 1	It is a clonal selection from a local type Endapuli.	1992
11.	Turmeric	CO 1	It is a vegetative mutant selection from Erode local turmeric.	1983
12.		BSR 1	It is a selection from mutant population irradiated with X-ray.	1986
13.		BSR 2	It is an induced mutant from Erode local type.	1994
14.		CO -2	Clonal selection from Bhavanisagar local	2013
15.	Cashew nut	VRI 1	It is a clonal selection from germplasm accession	1981
16.		VRI 2	It is a selection from Kattupalli village in Chengalpattu district.	1985
17.		VRI 3	It is a seedling progeny (M 26-2) of a high yielding tree (No. 1602) selected from a village Edayanchavadi of Vanur Block of South Arcot District	1991
18.		VRI 4	It is a selection from Vazhisodanipalayam of Cuddalore taluk of Tamil Nadu	2000
19		VRI (Cw) H1	Hybrid 13 is the progeny of M 26/2 X m26/1	2009
20	Coconut	VHC 1	It is a hybrid between East Coast Tall and Malayan Dwarf Green.	1982
21		VHC 2	It is a hybrid evolved by crossing, East Coast Tall and Malaysian Yellow Dwarf at Veppankulam.	1988
22		VHC 3	VHC 3 (East Coast Tall x Malaysian Orange Dwarf)	2000
23		VPM 3	It is a selection from material received from CPCR, Kasaragod, Kerala.	1994
24		VPM 4	Selection from material received from CPCRI, Kasaragod, Kerala.	2012
25		VPM 5	Hybrid between LOT X CCHT	2014
26		ALR (CN) 1	It is single line selection from Arasampatti tall (Darumapuri district)	2002
27		ALR 2	Selection from Tiptur Tall	2010
28.	Palmyrah	SVPR 1	It is a selection from Srivilliputhur local.	1992

Total no. of varieties released in spices and plantation crops  – 28

 MEDICINAL AND AROMATIC CROPS

S.No.	Crop	Name of the variety	Parentage	Year of Release
1.	Geranium	KKL 1	It is a clonal selection from an Algerian variety.	1987
2	Rosemary	Ooty (RM) 1	It is developed by selection from the seedling progenies of rosemary	2004
3	Senna	KKM Se 1	It is a selection from Thenkalam local	2001
4	Thyme	OOTY             (Tv 1)	It is a pureline selection from five germplasm types.	2006
5.	Davana	PKM 1	Selection from local type	2013
6.	Coleus	Co-1	Selection	2013
7.	Manathakkali (Solanum nigrum)	CO 1 Manathakkali	Selection from germplasm collection	2019

Total no. of varieties released in medicinal and aromatic crops  – 7

Flower crops

S.No.	Crop	Name of the variety	Parentage	Year of Release
1.	Barleria	CO 1	Clonal selection from local type	1984
2.	Chrysanthemum	CO 1	Selection made form a bulk population introduced from Hosur	1985
3.		MDU 1	Selection from germplasm	1985
4.		CO 2	Clonal selection from germplasm introduced from the National Botanical Research Institute, Lucknow	1989
5.	Gerbera	YCD 1	Clonal selection from seedlings from mixed open pollinated seeds collected from germplasm maintained at Horticultural Research Station, Yercaud	1992
6.		YCD 2	Selection from germplasm collection at Horticultural Research Station, Yercaud	1995
7.	Gladiolus	KKL 1	Improved selection evolved at the Horticultural Research Station, Kodaikanal from the population of the cv. American Beauty	1993
8		CO 1 (Thilagam)	Inter-generic hybrid between Hibiscus rosasinensis and Malvaviscus arboreus	1981
9	Hibiscus	CO 2 (Punnagai)	Evolved by selection from the open pollinated seedlings of Chandrik’ variety.	1981
10		CO 3	Clonal hybrid between the cultivars Bright Yellow and Red Gold	1984
11.	Jathimalli	CO 1	Secondary clonal selection from germplasm collection	1984
12.		CO 2	Induced mutant (IM3) developed by treating vegetative cuttings of CO.1 Pitchi with gamma rays @ 1.5 kR	1991
13.	Marigold	MDU 1	Selection from germplasm	1986
14.	Mullai	Parimullai	Clonal selection from a germplasm clone	1972
15.		CO 1	Secondary clonal selection from local type	1980
16.		CO 2	Clonal selection	1988
17.	Star Jasmine (Jasminum nitidum)	CO 1	Clonal selection	2018

Total no. of varieties released in flower crops – 17

Abstract

S. No.	Crops	List of verities released
1.	Fruit crops	35
2.	Vegetable  crops	115
3.	Spices and plantation crops	28
4.	Flower crops	17
5.	Medicinal and aromatic crops	7
	Total	202