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Limitation of Single Trait Phenotypic Selection in Tossa Jute (corchorus Olitorius L.)

C.K Saha
SO
Breeding Division, BJRI

M.S. Alam
Breeding Division, BJRI

A. Khatun
SSO
Breeding Division, BJRI

Z. Naher
Breeding Division, BJRI

M. Hussain
SO
Sub-station, Tarabo, Jessore, BJRI

M.Rahman
SSO
Sub-station, Faridpur, BJRI

Abstract/ Executive Summary:

A study was conducted with a view to predict the correlated response in yield taking plant height as the criterion for single trait phenotypic selection in jute. Results indicated that selection on plant height did not reflect a corresponding response in yield. Application of high selection intensity may be risky. So a low intensity selection on plant height should be application when selection is done based on plant height only. In such situation, yield estimation of the plants above mean height may increase selection efficiency. But for higher yield direct selection appeared to be efficient over indirect over indirect selection.

Keywords: Phenotypic selection, Jute (Corchorus spp.)

Location: Green house premises of Bangladesh Jute Research Institute (BJRI)

Start Date: 05-05-1995

End Date: 05-09-1995

Program Area: Variety and Species

Commodity: Jute

Objectives:

The objective of the study is to assess the effectiveness of phenotypic selection based on plant height for fibre yield in jute.

Methodology:

In the year 1995 an experiment was conducted at the green house premises of Bangladesh Jute Research Institute (BJRI) to study the inheritance of fibre yield and other morphological characters. The crop was sown on 5^th May and harvested on 120 days after sowing. Intercultural operations and fertilizer application were done as per BJRI recommendations. Data for plant height (m) and fibre yield (g) were collected on single plant basis from crosses Dhuldi x O-4 and Palnarshingdhi x O-4. All the plants grown from each of the F₁ and F₂ generations of both the crosses were studied.

Source of Information: OnLine Journal of Biological Sciences 2 (11): 752-753, 2002

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Yield estimation of the plants above mean height may increase selection efficiency. But for higher yield direct selection appeared to be efficient over indirect over indirect selection.

Knowledge Management: Journal