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Effect of Harvesting Stage on Quality and Storability of Tomato Seed Harvested from Different Clusters

A.N.M.A.Karim
Seed Technology Division, BARI, Gazipur

M. A. Hossain
Seed Technology Division, BARI, Gazipur

A Nessa
Seed Technology Division, BARI, Gazipur

M. N. Islam
Seed Technology Division,BARI, Gazipur.

Abstract/ Executive Summary:

The experiment was conducted at the field of Seed Technology Division, BARI, Joydebpur, Gazipur during 2012-2013 with a view to know suitable clusters for quality seed production of tomato. Five treatments viz., i) 1^st cluster ii) 2^nd cluster iii) 3^rd cluster iv) 4^th cluster v) 5^th cluster were tested. Among these treatments, the seeds extracted from 2^nd and 3^rd cluster produced better seed quality and higher yield.

Keywords: Effect of harvesting stage, Quality and storability,Tomato

Location: At the field of Seed Technology Division, BARI, Joydebpur, Gazipur

Start Date: 00-00-2012

End Date: 00-00-2013

Program Area: Seed Technology

Commodity: Tomato

Objectives:

To know suitable clusters for quality seed production of tomato.

Methodology:

BARI Tomato-9 (Lalima) and BARI Tomato-14 were selected for this study. The experiment was conducted at the research field of seed Technology Division, BARI, Joydebpur, Gazipur during rabi season 2012-2013. The crop was grown according to the recommended agronomic practices. The fruits were harvested from different clusters at field level maturity stage . The seeds with pulp were extracted from the fruit. And the pulp was kept for fermentation for 24 hours. After fermentation the seed were separated by washing in running tap water and dried under, shade to ~8 % moisture content of the seed. The data such as 1000 seed weight, germination percentage, seedling dry weight and vigour index were recorded after extraction. The germination test was conducted as per ISTA rules. The vigour index was measured by multiplying seedling length (cm) and germination percentage (Powell & Mathew, 1995). The dried seed were kept in tin container with polythene bags in air tight condition and store in cool room. During storage different parameters of seed quality will be recorded at 3 months intervals and continue up to 24months for determining the seed longevity.

Source of Information: Annual Research Report2012-2013, Seed Technology Division, BARI, Gazipur

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It revealed that the seeds extracted from 2^nd and 3^rd cluster produced better quality seed and higher yield. To know the storability of seed, seed quality will be assessed 3 months interval during storage. The experiment will be continued up to 24 month of storage.

Knowledge Management: Report/Proceedings