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Performance of Yam and Sponge Gourd on the Existing Homestead Trees at Chittagong

S A Choudhury
Regional Agricultural Research Station, BARI, Hathazari, Chittagong.

PC Sarker
Regional Agricultural Research Station, BARI, Hathazari, Chittagong.

M F Haque
Regional Agricultural Research Station, BARI, Hathazari, Chittagong.

M M Bhuiyan
Regional Agricultural Research Station, BARI, Hathazari, Chittagong.

A F M F Rahman
Regional Agricultural Research Station, BARI, Hathazari, Chittagong.

Abstract/ Executive Summary:

An experiment was conducted at the Farming Systems Research (FSR) site, Hathazari, Chittagong during 1995-96 to determine compatibility of yam and sponge gourd with existing homestead tree species. Dioscorea alala, Dioscorea bulbifera and sponge gourd were grown on the living support of Drumstick, Jarul, Mandar and Pitraj and on vertical bamboo support. Highest Bulbil yield of D. bulbifera was recorded from vertical bamboo support, which was identical to the yield recorded from living Mandar support. Yield of D. alata was found identical with all the support trees. Sponge gourd gave the highest yield of 7.46 kg/plant from vertical bamboo support which was identical to the yield (6.16 kg./plant) recorded from drumstick support. The yield of drumstick reduced significantly when associated with different creepers. The reduction of drumstick yield as compared to sole was ranged from 43-58% with different associated creepers.

Keywords: Sponge Gourd, Homestead Tree, Yam

Location: Farming Systems Research site, Hathazari, Chittagong.

Start Date: 00-00-1995

End Date: 00-00-1996

Program Area: Farming System

Non-commodity: Performance

Objectives:

To determine compatibility of yam and sponge gourd with existing homestead tree species as support.

Methodology:

The experiment was conducted at Farming Systems Research (FSR) site, Hathazari, Chittagong during April 1995 to March 1996. Three different creeper crops viz. Dioscorea alata, Dioscorea bulbifere and sponge gourd (L. cylindrica) fruit were grown on the existing homestead trees viz. Drumstick, Jarul, Mandar and Pitraj and on vertical bamboo support (open yard). The experiment was laid out in a RCB design with 5 dispersed replication. Single germinating bulbils of D. alata and D. bulbifera, 3-4 seeds of sponge gourd were planted separately the pits near the selected tree trunk and in the open yard during April 30 to May 15, 1995. The pit size was 50x50x50 cubic centimeter. Each pit was well mixed with about 5 kg cowdung and ash before planting. At the initial stage all the pit were surrounded by bamboo fence to save the creepers from animal pest and could climb the tree freely. Before planting, support trees were prunned to make uniform canopy. Harvesting of sponge gourd was started from the last part of July and it lasts for about one month. The bulbiIs of D. bulbifera were stated to harvest from mid October to mid January. The under ground yam of D. alata was harvested during mid February to mid March when the plants became died. Drumstick fruit of 30 days old was harvested during mid January to late February.

Source of Information: Proceedings of a national workshop on Development of Agroforestry Research in Bangladesh held september 16-17 2001, OFRD, BARI, Gazipur, Bangladesh.

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

On the basis of the present study it can be concluded that there is a feasibility and prospect of growing yam and sponge gourd on the tested existing homestead tree species except on drumstick at FSR site Hathazari. Farmers under test and their neighbor have shown interest to grow yam and sponge gourd specially D. bulbifera as a promising new creeper vegetable on the existing homestead tree species except on drumstick and other fruit value tree species.

Knowledge Management: Report/Proceedings