Technologies Developed

Tamil Nadu Agricultural University > Anbil Dharmalingam Agricultural College and Research Institute > Technologies Developed

Varieties Developed from ADAC and RI, Trichy
RAGI- TRY 1

Year of release 1987
Parentage Selection from HR 374
Duration 102 days
Mean yield 4010 kg / ha
Salient features
  • Saline and drought tolerant
  • Incurved ear with brown seed

RICE- TRY 1

Year of release

 1995

Parentage

 RP 578 -172- 2-2 / BR 1-2-B-1

Duration

 135 days

Season

 Samba / Late samba

Mean yield

 5120 kg/ ha

Salient features
  • Highly suitable to saline and alkaline soils
  • Submergence tolerance
  • Moderately tolerant to blast
  • Medium bold grain
  • Also suitable for zinc deficient soils
  • Suitable for making puffed rice

RICE- TRY (R) 2

Year of release

 2002

Parentage

 RP 825 – 45 – 1- 3 / IR 36

Duration

 115 days

Season

 Kuruvai / Navarai

Mean yield

 4360 kg/ ha

Salient features
  • Highly suitable to saline and alkaline soils
  • Short duration
  • Moderately tolerant to blast
  • Long slender grain
  • Also suitable for semi dry system of cultivation

GUAVA- TRY 1

Year of release

 2004

Parentage

 Clonal Selection

Duration

 Perennial, bears from second year up to 25 years

Season

 July – August and December – January

Mean yield

 16 tonnes / ha

Salient features
  • Off season bearer, shiny greenish yellow fruit
  • High TSS (10ºB) and ascorbic acid (181 mg/100g)
  • Tastes better than Lucknow 46 and 49
  • Resistant to fruit fly, mealy bug, scale, mite and wilt
  • Drought and sodicity tolerant

RICE- TNAU Rice TRY 3

Year of release

 2010

Parentage

 ADT 43 / Jeeraga Samba

Duration

 135 days

Season

 Samba / Late samba / Thaladi

Mean yield

 5830 kg/ ha

Salient features
  • High grain yield over ADT 46 (10.8%)
  • Moderately tolerant to sodicity
  • Highly suitable for ‘Idly making’
  • Medium bold grain
  • High Milling (71.3%) and Head Rice Recovery (66.0%)
  • Resistant to Leaf folder, Stem borer and BPH
  • Resistant to Blast, Brown Spot, Sheath rot and Sheath Blight

Technologies Developed

  • In Rice, application of green manure 8.3 t ha-1 + vermicompost 2.1 t ha-1 + biofertlizers recorded yield on par with recommended dose of inorganic fertilizers under sodic soil conditions.
  • In Rice, SRI planting + rotary weeding + 187.5: 50: 50 kg/ha NPK + FYM (12.5 t/ha) + Azophosmet (Seed treatment 200 g/ha and Soil application 2 kg/ha) + PPFM (Foliar spray @ 1 ppm at PI and Heading) may be recommended for higher yield and returns under sodic soil conditions.
  • Seed treatment with cowpea sprout extract (2%) + foliar spray of Panchagavya (1%) was more effective in increasing seedling establishment and seed yield under sodic soil in blackgram and greengram
  • Pre-Sowing application of glyphosate @ 0.75 kg ai / ha at 15 days before crop establishment along with post emergence application of bensulfuron – methyl + pretilachlor @0.06 + 0.06 kg a.i /ha at 8-15 DAT recorded significantly higher grain yield.
  • Rain gun method of irrigation can be economically used for cluster beans with alkali water. Water use efficiency was higher with bhendi with raingun irrigation followed by bhendi with surface irrigation.
  • Agronomic practices for cultivation of rice, ragi and green gram under sodic soil, micro- irrigation technologies for various field and vegetable crops under sodic environment and Integrated Farming System models for wet land, garden land and dryland ecosystem in sodic soil environment have been developed
  • Distillery spent wash application technology for the reclamation of sodic soil, gypsum bed technology to manage alkali water for irrigation and drip irrigation /fertigation for vegetables and sugarcane using amended alkali water have been developed.
  • Efficient Zinc solubilising bacterial cultures from different plant rhizosphere was isolated and the efficient strains were identified

Integrated Pest Management in Rice

  • Rice yellow stem borer was found as key pest in rice crop grown in this region
  • Hemiptera was dominating in rice eco system followed by Lepidoptera and Coleoptera in this region.
  • Conventional method of planting showed the greatest species richness, abundance and distribution than SRI method.
  • Promising endophytic bacterial strains were isolated from sheath blight infected rice plant
  • Beauveria bassiana was isolated from leaf folder larvae under field condition

IPM Module for Onion

  • Selection of healthy onion seed bulbs
  • Bulb treatment with  Pseudomonas fluorescens (5 g/kg) + Trichoderma viride (5 g/kg)
  • Soil application of Pseudomonas fluorescens (1.25 kg/ha) + viride (1.25 kg/ha)  + VAM  12.5 kg/ha) + Azophos (4 kg/ha) + Neem cake (250 kg/ha)
  • Growing maize as border crop
  • Installation of yellow sticky traps 12/ha
  • Installation of pheromone traps (Spodoptera litura) 12/ha
  • Spraying of Pseudomonas fluorescens(5 g/l)+ Beauveria bassiana (10 g/l) on 30 DAP
  • Spraying of Azadirachtin 1 % (2 ml/lt) on 40 DAP
  • Need Based Application of profenophos (2 ml/l) or dimethoate (2ml/l) or triazophos (2ml/l) for  thrips/leaf miner/cutworm management.
  • NBA of mancozeb (2 g/l)/ tebuconazole (1.5 ml/l)/ Zineb (2 g/l)

Nematode Management

  • Citrus nematode, Tylenchulus semipenetrans population in acid lime was high in the month of February and low in the month of November. Consortia containing (Pfbv 22 + Bbv 57) @ 40 g + 50 kg of press mud/tree recorded minimum nematode population