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Stages of Vine Pruning for Vine Production of Bottle Gourd Varieties and Lines in Summer Season

M. R. Ali
Olericulture Division, HRC, BARI, Joydevpur, Gazipur, Dhaka, Bangladesh

G. M. A. Halim
Olericulture Division, HRC, BARI, Gazipur, Dhaka, Bangladesh

H. Mehraj
The United Graduate School of Agricultural Sciences, Ehime University, Ehime 790-8556, Japan

Abstract/ Executive Summary:

Four bottle gourd varieties and lines (V1: BARI Lau-3, V2: BARI Lau-4, V3: LS 0012-5-3 and V4: LS 0026-5-3) and three pruning stages (P1: Pruning at two vine stage, P2: Pruning at 3 vine stage and P3: Pruning at 4 vine stage) were implied to observe the effect of pruning on the maximization of vine production in bottle gourd. V4 produced maximum number of vine (117.2/plant) and highest vine yield (10.2 t/ha) among four varieties while P3produced maximum number of vine (109.2/plant) and highest vine yield (9.1 t/ha) among three pruning techniques. The maximum number of harvested vine (118.0/plant) and highest vine yield (10.73 t/ha)was found from V4P3 which was statistically followed by V4P1 and the lowest vine yield was recorded from V2P1 (6.62 t/ha). LS 0026-5-3 along with pruning of terminal shoots four vine stages can be recommended for better vine production in bottle gourd for use as leafy vegetable.

Keywords: Lagenaria siceraria, Pruning, Varieties & lines vine, Yield

Location: At the research field of Olericulture Division, Horticulture Research Center, Bangladesh Agricultural Research Institute (BARI), Joydebpur, Gazipur, Dhaka, Bangladesh

Start Date: 00-00-2014

End Date:

Program Area: Variety and Species

Commodity: Bottle gourd

Objectives:

Present study was conducted to develop the vine pruning stages in maximizing vine production of bottle gourd for use as leafy vegetable.

Methodology:

The experiment was carried out at the research field of Olericulture Division, Horticulture Research Center, Bangladesh Agricultural Research Institute (BARI), Joydebpur, Gazipur, Dhaka, Bangladesh during summer season of 2014. The experiment consisted two factors,i.e., four bottle gourd varieties and lines (V1: BARI Lau-3, V2: BARI Lau-4, V3: LS 0012-5-3 and V4: LS 0026-5-3) and three stages of pruning (P1: Pruning at two vine stage, P2: Pruning at 3 vine stage and P3: Pruning at 4 vine stage). Each vine contained main branch during pruning. The seeds of four bottle gourd varieties were sown in poly bags on10^th May 2014 and the seedlings were transplanted in the main field on 5^th June 2014. The experiment was laid out in randomized complete block design with three replications. The unit plot size was 10.0 x 2.5 m maintaining 2.0 x 2.5 m spacing. The land was fertilized with cow dung, N, P, K, S and Zn @ 20000, 175, 175, 150, 100 and 12 kg/ha, respectively. The total amount of cow dung, P, S and Zn and 1/3^rd of each of N and K were applied during final land preparation and in the pit. The rest of N and K were applied in four equal installments at 21, 35, 55 and 75 days after transplanting. The intercultural operations were done as and when needed. Pruning started after first female flower opening and no fruit was allowed in whole experiment. Data were recorded from three randomly selected plants per treatment per replication on number of vines/plant, weight of vine/plant (kg), vine length (cm), vine diameter (cm), leaf area (cm2), internodes length (cm) and vine yield (t/ha). The collected data on different characters were statistically analyzed using MSTAT–C computer package program and mean differences were determined by Duncan’s Multiple Range Test (DMRT) at 5% level of probability (Gomez and Gomez, 1984).

Source of Information: J. Biosci. Agric. Res. 09(01): 792-795

Article Link (Online Journal): DOI: 10.18801/jbar.090116.95

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

LS 0026-5-3 along with pruning of terminal shoots four vine stages can be recommended for better vine production in bottle gourd for use as leafy vegetable. The present investigation is going on also in summer 2014-15. Again the experiment will be repeated with other varieties and lines for detail study in the next year in both the winter and summer seasons.

Knowledge Management: Journal