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Effect of Shoot and Fruit Pruning on the Yield and Economic Return of Early Planting Tomato in High BARInd Tract

Md. Shafiqul Islam
Senior Scientific Officer
OFRD, BARI, Barind, Rajshahi

Md. Sakhawat Hossain
Scientific Officer
OFRD, BARI, Barind, Rajshahi

Abstract/ Executive Summary:

An experiment was carried out at the Bijoynagar ICM club (club no.12714) member’s field, Godagari, Rajshahi during the rabi season of 2008-2009 and 2009-10 to study the effect of pruning on yield and economic return of tomato (hybrid tomato cv. Sabal) in High Barind Tract (HBT). Four pruning treatments combinations viz., T_1: Lateral shoot pruning below first flower bearing branch, T₂: Kept 8 cluster per plant with 5 fruits per cluster, T_3: T₁+T₂and T₄: Control (Farmers practice or no pruning). The number of clusters plant^-1 and fruits plant^-1 were highest in the shoot pruning (T₁) treatment in both the year. Unit fruit weight was produced highest in the shoot + fruit pruning (T₃₎ treatment. Shoot pruning (T₁) gave highest fruit yield (88.58 t ha^-1) followed by shoot + fruit pruning (83.17 t ha^-1) and minimum (74.06 t ha^-1) in control treatments. Comparatively higher fruit yield was recorded in 2009-10 due the favorable weather condition. In respect of economic analysis, the maximum gross return (Tk. 659850 ha^-1), gross margin and marginal benefit cost ratio (14.20) were obtained from shoot pruning.

Keywords: Tomato, Pruning, Yield, Economic return

Location: Godagari, Rajshahi

Start Date: 00-00-2008

End Date: 00-00-2010

Program Area: Crop-Soil-Water Management

Commodity: Tomato

Objectives:

To study the effect of pruning on yield and economic return of tomato in High Barind Tract

Methodology:

The experiment was conducted at Godagari, Rajshahi during the rabi season of 2008-09 and 2009-10. The experiment was laid out in RCB design having six dispersed replications. The unit plot size was 4 m x 3 m. Four pruning treatments were; T_1: Lateral shoot pruning below first flower bearing branch, T₂: Kept 8 cluster per plant with 5 fruits per cluster, T_3: T₁+T₂ and T₄: Control (Farmers practice or no pruning).Tomato var. Sabal, a hybrid variety, collected from Syngenta, Bangladesh was used in the experiment. The seed was sowing in seed bed on August 2008 and 2009. Twenty five days old seedlings were transplanted in the main plots on 24 September 2008 and 26 September 2009 with spacing 60 cm x 40 cm. The experimental plot was fertilized with 250-90-125-30-1 kg ha^-1 N-P-K-S-B, respectively and 10 ton cowdung ha^-1 (FRG, 2005). Irrigation was applied three times during the crop-growing period. Insecticide (Admire @ 0.5 ml/L water) and fungicide (Dithane M-45 @ 2 g L-1 water) were sprayed four times for controlling insect and diseases of tomato plant in 2008-2009. Weeding and other intercultural operations were done for better growth and development of the crop plant. Pruning was done by hand by nipping off the unwanted auxiliary buds, branches, cluster and fruits depending on the treatment. The green mature tomato was harvested ranging from December to January in both the year of 2008-09 and 2009-10. Data on yield components of tomato were collected from five randomly selected plants and yield was recorded plot wise and then converted into ton per hectare. Recorded data were analyzed statistically and means were separated by Duncan’s Multiple Range Test (Gomez and Gomez, 1984).

Source of Information: Annual Research Report, 2009-10 published by OFRD, BARI

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Number of clusters plant^-1 (10.87) and number of fruits plant^-1 (39.93) were highest in shoot pruning treatment (T₁) which was followed by control. For fruit pruning and shoot + fruit pruning treatments, the number of cluster and fruit were limited. Unit fruit weight was found highest in shoot + fruit pruning treatment (53.02 g) which was statistically similar to that of fruit pruning treatment (51.63 g) and lowest in control (47.47 g). In shoot + fruit pruning treatment, the number of fruit and lateral branch (sinks of nutrients) were minimum compared to other treatments resulted to higher fruit size. The highest fruit yield (71.81 t ha^-1) was found in shoot pruning treatment that was similar to shoot + fruit pruning (70.31 t ha^-1) as well as fruit pruning (68.48 t ha^-1) treatment and lowest in control. The number of clusters and fruits were higher in shoot pruning compared to other treatments . During the year of 2009-10, the highest fruit yield (88.58 t ha^-1) was found in shoot pruning treatment followed by shoot + fruit pruning (83.17 t ha^-1), fruit pruning (82.83 t ha^-1) treatment and lowest in control (80.06 t ha^-1). The number of clusters and fruits were higher in shoot pruning compared to other treatments.

Knowledge Management: Report/Proceedings