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Performance of Different Bell Pepper (capsicum Annuum L.) Genotypes in Response to Synthetic Hormones

S. M. Hasanuzzaman
Instractor
Agricultural Training Institute, Ishurdi, Pabna

S. M. M. Hossain
Chief Scientific Officer
Horticulture Research Centre Bangladesh Agricultural Research Institute (BARI), Joydebpur, Gazipur

M. O. Ali
Principal Scientific Officer
Pulse Research Centre, BARI, Ishurdi, Pabna

M. A. Hossain
Senior scientific officer
Regional Agricultural Research Station (RARS), Ishurdi, Pabna

A. Hannan
F S
RARS, Ishurdi, Pabna, Bangladesh

Abstract/ Executive Summary:

A field study was carried out at the Horticulture Research Centre Farm, BARI, Gazipur during October 1998 to April 1999 to determine the performance of different bell pepper (Capsicum annuum L.) genotypes in response to synthetic hormones. Ten genotypes viz, CP0039, CP0041, CP0043, CP0044, CP0045, CP0053, CP0054, CP0055, CP0061 and CP0068 and two synthetic hormones Milstim and Litosen along with control were used as treatments in this study. It was found that, due to hormonal treatments significant variation exists among the genotypes in respect of morphological characters, physiological parameters, fruit yield and seeds per fruit. Genotype CP0039 produced the highest leaves (63.64), branches (7.36), plant height (24.23 cm), fruit (19) per plant and seed (150) per fruit. Highest fruit yield (18.69 t ha^-1) was obtained from CP0045. Fruit weight was maximum (18.58 g) in CP0061. Seeds extracted from CP0041 fruits had highest (92%) germination. On the contrary, the lowest seed germination (22%) was recorded in CP0045. Genotype CP0039 plants treated Milstim and Litosen produced 20 and 18 fruits per plant resulting 20.37 t ha^-1 and 19.93 t ha^-1 yield, respectively. Lowest fruit bearing (4-fruits/ plant) and yield (4.14 t ha^-1) were recorded in control plants of CP0068. So both Milstim and Litosen treated plants performed better than control plants regarding fruit bearing and yield.

Keywords: Genotypes, Synthetic hormone, Fruit yield

Location: Horticulture Research Centre Farm, Bangladesh Agriculture Research Institute, Jopdebpur, Gazipur

Start Date: 00-10-1998

End Date: 00-04-1999

Program Area: Crop-Soil-Water Management

Commodity: Chilli

Objectives:

To determine the performance of different bell pepper (Capsicum annuum L.) genotypes in response to synthetic hormones.

Methodology:

The experiment was conducted at the Horticulture Research Centre Farm, Bangladesh Agriculture Research Institute, Jopdebpur, Gazipur during October 1998 to April 1999.Ten-genotypes viz., CP0039(G₁), CP0041(G₂), CP0043(G₃), CP0044)G₄), CP0045(G₅), CP0053(G₆), CP0054(G₇), CP0055(G₈), CP0061(G₉) and CP0068(G₁₀) and two synthetic hormones Milstim ( M ) and Litosen ( L ) along with control (water) were used as treatments in this study. Milstim and Litosen were used sprayed on the above ten genotypes of bell pepper at the rate of 0.50 ml and 1.00ml litre^-1 water, respectively as these two doses were recommended by manufacturer. Control plots were sprayed with water. Thus there were 30 treatment combinations. The experiment was laid out in the Randomized Complete Block Design (RCBD) with three replications. The experimental field was first divided into three blocks. Each block was further divided into 30 unit plots i.e equal to the number of treatment combinations. The size of each unit plot was 1.35 m X l m. The blocks and plots were spaced at 0.5 m and 0.35m, respectively. Thirty treatments were randomly assigned to 30 plots of each block. Thirty five-day-old healthy seedlings were transplanted in the experimental plots on 03, December 1998. Planting was done maintaining the spacing of 45 cm x 45 cm. Fertilizer and manure viz., well decomposed cow dung, Urea, TSP and MP were applied @ 5 t, 180 kg, 200 kg and 100 kg ha^-1, respectively. The entire quantity of cowdung was applied during the land preparation and was mixed well with the soil. Half of the required quantity of urea, the total quantity of TSP and half of the MP were applied at the final land preparation. The rest quantity of urea and MP were applied as side dressing in two equal installments after 30 and 60 days of planting. Milstim and Litosen were applied three times on the plants. Milstim was sprayed @ 0.50 ml liter^-1at each time. Litosen was sprayed @ 1.00 ml litre^-1at each application. Applications of these chemicals were done during flower initiation, full blossoming and fruit setting stages. Plants in control plots were sprayed with clean water. All cultural and pest control measures were done as and when needed. The data were taken from randomly selected 4 plants from each plots of 9 plants on the following characters: plant height, number of leaves plant^-1, number of branches plant^-1, days to 50% flowering, days to harvest/maturity, fruit plant^-1 individual fruit weight, fruit length (cm), fruit diameter (cm), yield plant^-1, yield (t ha^-1), seeds fruit^-1, weight of 1000 seed (g) and germination (%). The recorded data were statistically analyzed to find out the variation resulting from the experimental treatments by F test. Treatment means were compared by Duncan’s Multiple Range Test,

Source of Information: Int. J. Sustain. Crop Prod. 2(5):78-84, 2007

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

It was found that CP0039, CP0041, CP0043 and CP0045 may be used for increase fruit bearing and yield of bell pepper. So both Milstim and Litosen treated plants performed better than control plants regarding fruit bearing and yield.

Knowledge Management: Journal