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Conservation of Gerplasm in Field Gene Bank (2016--2017)

R U CHOUDHURY
Plant Genetic Resources Centre, BARI, Joydebpur, Gazipurt

M T ISLAM
Plant Genetic Resources Centre, BARI, Joydebpur, Gazipurt

S RAHMAN
Plant Genetic Resources Centre, BARI, Joydebpur, Gazipurt

I AHMED
Plant Genetic Resources Centre, BARI, Joydebpur, Gazipurt

M N ISLAM
Plant Genetic Resources Centre, BARI, Joydebpur, Gazipurt

Abstract/ Executive Summary:

PGRC is maintaining 265 germplasm including 213 accessions of 73 crops both indigenous and exotic germplasm in the field genebank. The fruit germplasm is mango litchi, banana, guava, jackfruit, jujube, aonla, bael, bilimbi, bullocks heart etc. The vegetable germplasm is taro, yam, elephant foot, drumstick etc. The exotic germplasm is rambhutan, pear, tamarind, coffee, passion fruit, dragon fruit, and gynura etc. The intercultural practices were done as and when necessary. The field gene bank has been maintained since 1985 and continued for the following years.

Keywords: Vegetative propagation, Germplasm, Recalcitrant species, Field Genebank

Location:

Start Date: 00-00-2016

End Date: 00-00-2017

Program Area: Conservation and Biodiversity

Commodity: Plant

Objectives:

Some crops are sexually sterile and are dependent on vegetative propagation for survival; examples are yam, taro, cultivated banana, potato, sweet potato, cassava, pineapple and sugarcane. Therefore, the existing germplasm of vegetatively propagated crops are being maintained in field gene bank.

Methodology:

The Field Gene Bank of Plant Genetic Resources Centre has been established with an aim to conserve vegetatively propagated and recalcitrant seeded plant germplasm. The plants were earthen up after the rainy season. Fertilizer was applied in field gene bank crop in two installments in a year following fertilizer recommendation guide. Half of the installment was applied before and after the rainy season. The plants were watered and weeded as and when necessary. There was no pest and disease infestation during the period. Yam germplasm was harvested and replanted for maintaining after every two years. The other germplasm was maintained accordingly. The corm of Ol kachu was also harvested and replanted for maintenance every year.

Source of Information: Annual Research Report 2016-2017, Plant Genetic Resources Centre, BARI, Joydebpur, Gazipurt

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The following new germplasm was collected during 2016-17. A total of 265 (213 accessions and 38 germplasm) of indigenous and exotic are conserved as a field gene bank. The accessions and germplasm are maintained as living plants, either in the field or in pots in the nursery. A total of 265 germplasm including 213 accessions of 73 crops both indigenous and exotic germplasm in the field genebank. up to June 2017. The field gene bank acts as a reliable source of indigenous and exotic germplasm for researchers, plant breeders, NGOs, and farmers for crop improvement.

Knowledge Management: Report/Proceedings