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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

Performance of tomato cultivars grafted on root-knot nematode resistant Solanum torvum rootstock for growth and yield parameters

 

K. Sindhuja1, S. Mallesh1, P. Holajjer2*, G. Jyothi3 and S. Praneeth4

1Department of Vegetable Science, College of Horticulture, Sri Konda Laxman Telangana State Horticultural University, Hyderabad– 500 030, India

2ICAR-National Bureau of Plant Genetic Resources, Regional Station, Hyderabad-500 030, India

3Horticultural Research Station, Sri Konda Laxman Telangana State Horticultural University, Konda Mallepalley– 508 243, India

4Scientist, Floricultural Research Station, Sri Konda Laxman Telangana State Horticultural University, Hyderabad– 500 030, India

 

Received: 18 March 2024                   Revised: 14 May 2024                   Accepted: 05 July 2024

*Corresponding Author Email : prasannaiari@gmail.com                   *ORCiD: https://orcid.org/0000-0001-5697-5358

 

 

 

Abstract

 

Aim: To study the grafting of tomato cultivars on root-knot nematode resistant Solanum torvum for plant growth, yield parameters and nematode damage under polyhouse conditions.

Methodology: Three tomato cultivars viz., Arka Samrat, Saaho and SVTD8323 were grafted on Meloidogyne incognita-resistant S. torvum Sw. (IC618029) by cleft grafting technique. The experiment was conducted in a polyhouse using factorial randomized block design (FRBD) with two factors. The first factor was planting material with grafted and non-grafted tomato cultivars. The second factor was with and without nematode infestation. Observations on plant growth and yield parameters were taken.

Results: Grafted and non-grafted tomato cultivars differed significantly in terms of flowering and yield parameters and nematode damage. Under nematode-infested conditions, grafted cultivars yielded significantly more number of flowers per cluster (4.22 to 4.47), flower clusters per plant (11.25 to 11.63), fruits per cluster (3.74 to 4.19), higher percentage of fruit set (89.78 to 94.00) and fruit yield per plant (2,984.6 to 3114.36 g), with less nematode damage (10.60 to 11.53 galls per root system) as compared to non-grafted cultivars (302.53 to 314.33 galls per root system).

Interpretation: Tomato grafting with S. torvum rootstock can be utilized in root-knot nematode management, especially in protected cultivation.

Key words: Meloidogyne incognita, Nematodes, Rootstock, Tomato grafting, Wild brinjal

 

 

 

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