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Regional Yield Trial of Spinach Lines. Season: 2017-2018

Ferdouse Islam
Horticulture Research Centre, BARI, Joydebpur, Garizpur-1701, Bangladesh

Md Razzab Ali
Horticulture Research Centre, BARI, Joydebpur, Garizpur-1701, Bangladesh

A. Akhter
Horticulture Research Centre, BARI, Joydebpur, Garizpur-1701, Bangladesh

M. F. Hossain
Horticulture Research Centre, BARI, Joydebpur, Garizpur-1701, Bangladesh

M K Islam
Horticulture Research Centre, BARI, Joydebpur, Garizpur-1701, Bangladesh

Abstract/ Executive Summary:

The study was conducted with two selected spinach lines with BARI Palongshak-1(check) at four locations which were included Joydebpur, Hathazari, Ishurdi and Jamalpur during the winter season of 2017-2018 to develop a late flowering variety of spinach. The seeds of two advanced spinach lines (SO-0047 and SO-0048) with BARI Palongshak1 were sown on 22 -28 November 2018 in all locations. The line SO-0048 required average longest days (58) to 50% plant bolting followed by the line SO-0047 (56) while BARI Palongshak1 took the shortest days (47) to bolt at all the location. The highest average per hectare yield of four locations (31.92 t/ha) was recorded from the line SO-0048 followed by BARI Palongshak-1(30.58 t/ha) and the lowest average per hectare yield (29 t/ha) was recorded from the line SO 0047. In case of the qualitative parameter, the line SO-0047 produced medium size, light green colour, ovate shape and succulent large leaf with a short petiole, while SO-0048 showed medium size, round shape deep green colour with short petiole but BARI Palongshak1 produced large round shape green colour succulent leaf with long petiole. SO, considering of late bolting nature and yield potentiality the line SO-0048 may be selected for release as a late variety of spinach.

Keywords: Vegetables, Spinach, BARI Palongshak 1, Soil, Fertilizer

Location: Bangladesh Agriculture Research Institute, Joydebpur, Hathazari, Ishurdi and Jamalpur, Bangladesh

Start Date: 00-00-2017

End Date: 00-05-2018

Program Area: Crop-Soil-Water Management

Commodity: Spinach

Objectives:

To evaluate the performance of the selected advanced lines in the different agro-ecological zone to release as a new late flowering variety of spinach.

Methodology:

The experiment was conducted at four locations of Bangladesh Agriculture Research Institute, which included Joydebpur, Hathazari, Ishurdi and Jamalpur during the winter season of 2017-2018. The seeds of two advanced spinach lines (SO-0047 and SO-0048) with BARI Palongshak-1 (as check) were sown on 22 -28 November 2018 maintaining 15 x 10 cm spacing in all locations. The land was fertilized with cowdung-N-P-K @10t-200-100-150 kg/ha respectively. The entire quantity of cowdung, P were applied during final land preparation. N and K were applied as top-dressing in three equal installments at 21, 28, and 35 days after sowing. Thinning, irrigation, and other intercultural operations were done as and when necessary. Harvesting was done on 6- 13 January 2018. Data on days to 50% flowering, plant height (cm), no. of leaves/plant, leaf length (cm), leaf breadth (cm), marketable yield/plant (g), and yield (t/ha) were recorded and statistically analyzed.

Source of Information: Annual Research Report 2017-2018, Horticulture Research Centre, BARI, Joydebpur, Garizpur-1701, Bangladesh

Article Link (Online Journal):

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Considering late bolting nature and yield potentiality, the line SO-0048 may be recommended to release as a late variety of spinach.

Knowledge Management: Report/Proceedings