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Journal of Environmental Biology

pISSN: 0254-8704 ; eISSN: 2394-0379 ; CODEN: JEBIDP

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    Abstract - Issue Sep 2024, 45 (5)                                     Back


nstantaneous and historical temperature effects on a-pinene

CoC 25–An early maturing high-yielding and red rot-resistant sugarcane variety suitable for the East Coast Zone of India

 

S. Ganapathy1*, R. Latha2, R.S. Purushothaman3, V. Ravichandran4, J. Jayakumar5, V. Karunakaran6 and C. Appunu7

1Agricultural College a0nd Research Institute, Tamil Nadu Agricultural University, Thiruvannamalai - 606 756, India 

2ICAR, Krishi Vigyan Kendra, Tamil Nadu Agricultural University, Kanyakumari - 629 901, India

3Sugarcane Research Station, Tamil Nadu Agricultural University, Cuddalore - 607 001, India

4Regional Research Station, Tamil Nadu Agricultural University, Vridhachalam - 606 001, India

5ICAR-Krishi Vigyan Kendra, Tamil Nadu Agricultural University, Thiruvarur-614 404, India

6ICAR, Krishi Vigyan Kendra, Vridhachalam - 606 001, India

7ICAR, Sugarcane Breeding Institute, Coimbatore- 641 007, India

 

Received: 22 April 2024                   Revised: 11 May 2024                   Accepted: 26 July 2024

*Corresponding Author Email : sugar.ganapathy@gmail.com                 *ORCiD: https://orcid.org/0000-0002-8930-905X

 

 

 

Abstract

 

Aim: To develop early duration high-yielding sugarcane variety coupled with resistance or tolerant to major disease (red rot) and insect pests (borer complex).

Methodology: CoC 25 was developed from two parents (Co 85002 and HR 83-144) and evaluated in station trials, state multi-location trials (five locations) and zonal varietal trials of AICRP (S) trials (IVT, AVT-I, AVT-II and AVT ratoon in five locations). Simultaneously, this clone was screened for major pest and diseases.

Results: Based on the superiority performance of CoC 25 in cane yield (21.50% higher) and sugar yield (22.72% higher), it was observed in AICRP trials over the national check variety CoC 01061. Cane yield superiority was 12.75% compared to check variety observed in state multi-location trials. The CoC 25 was found moderately resistant (3.6%) to red rot disease and less susceptible to early shoot borer (9.42%) and inter-node borers.

Interpretation: The results of this study revealed that CoC 25 is superior in terms of cane yield, CCS yield and resistance to red rot disease and it is less susceptible to borers. It was released by SVRC and notified for commercial cultivation in Tamil Nadu and Puducherry.

Key words: Cane yield, CCS yield, Red rot resistance, Sugarcane

 

 

 

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