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Effects of Planting Material and Earthing-up on Yield and Yield Contributing Attributes of Mukhi Kachu

S.M.FAISAL
Senior Scientific Officer
HRC, BARI, Gazipur-170I

M.A.SALAM
Scientific Officer
HRC, BARI, Gazipur-170I

M.S. lSLAM
Senior Scientific Officer
HRC, BAR, Gazipur-170I

M.l. HOSSAIN
Associate Professor
Department of Horticulture and Postharvest Technology, Sher-e-Bangia Agricultural University, Dhaka-1207, Bangladesh.

Abstract/ Executive Summary:

An investigation was carried out at Agricultural Research Station, Pahartali, Chittagong during February to August 2002 to select suitable size of planting material and proper time of earthing-up to obtain higher yield of Mukhi Kachu. Three planting materials, primary corm (40g), half cut corm (20g), and secondary corm (I Og) and four times of earthing-up, I month, 2 months. 3 months, and 4 months after planting were used. Different planting materials showed significant difference on weight of total corms/plot, weight of total cormels/plot and carmel yield. Different times of earthing-up showed significant effects on the parameters studied except no. of cormels/hill and weight of cormels/hill. The highest (3.71 t/ha) corm yield was obtained when primary corms were planted and earthing-up was done three months after planting. The combination of PIE (primary corm x 3 months after planting) gave the highest (8.37 t/ha) carmel yield.

Keywords: Mukhi Kachu, Corm, Carmel, Planting material, Earthing-up.

Location:

Start Date:

End Date:

Program Area: Crop-Soil-Water Management

Commodity: Yam

Objectives:

To select planting material and proper time of earthing-up effective on yield and yield contributing characters of Mukhi Kachu.

Methodology:

The experiment was carried out at the Agricultural Research Station, Pahartali. Chittagong during February to August 2002 to see the effects of planting materials and earthing-up on yield and yield contributing characters of Mukhi Kachu. The experiment was set under a randomized complete block design with three replications. There were two factors in this experiment, factor A consisted of three planting materials viz., P 1 (primary corm, wt= 40g), P2 (half cut corm, wt = 20g) and P (secondary corm, wt = I Og) and factor B consisted of four times of earthing-up, viz., F1 = after I month, E2 = after 2 months, E3 = after 3 months, and E4 = after 4 months planting were used. The farm was under AEZ (Agro Ecological Zone) and physiography of the farm comprised low hills and valleys. The soils are predominantly medium fine textured, pH ranged from 6.5 to 7.1 and all the macro and micro nutrients were present where the status of some of them are in critical condition . The experimental site was irrigated. For fertilization Cow clung (@12-15 t/ha), Urea (@140-160 kg/ha), TSP (@120-135 kg/ha), and MP (@ 160-90 kg/ha) were used. Cow dung, TSP, and MP were applied during planting and urea was applied in three installments after planting. The unit plot size was 2.4m x I .8m and plant spacing was maintained at 60cm x 45cm. So total number of plants/plot were 16. Corms of Mukhi Kachu (var. Bilashi) were sown at a depth of 7-8 em on 5 February 2002. Some plants were infested by reel mite (Tetrangclzus bicalatus) which was controlled by neuron (I milL). Weeding, irrigation, miticide spraying, mulching, and other cultural practices were done as and when necessary. The crop was harvested after 206 days of planting when the leaves of all main plants were dead. Data on different yield, such as weight of total corms/plot (kg), no. of cormels/hill, weight of total cormels/plot (kg), corm yield (t/ha), and cormel yield (t/ha) were recorded. From the middle rows of each plot, five plants were selected randomly to record data. Recorded data were analyzed using MSTAT-C statistical package. Differences among the means were compared following Duncan's Multiple Range Test (DMRT) at 5% level or significance.

Source of Information: Bangladesh J. Agril. Res. 34(2): 263-267, June 2009 ISSN 0258-7122

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

Planting materials had no significant effect on corm yield. Effect of earthing- up was found significant on all the parameters studied except number of cormels/hill. The interaction between planting materials and earthing-up was found significant on all the parameters studied

Knowledge Management: Journal