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Effect Qf Irrigation Levels at Different Growth Stages on Growth Parameters and Yield of Four Selected Chilli Accessions

M . A. l. KHAN
Chief Scientific Officer
Horticulture Research Centre, BARI, Joydebpur, Gazipur-170I

A. M . FAROOQUE
Vice Chancellor
SAU, Dhaka

M. A. HOQUE
Senior Scientific Officer,
Tuber Crops Research sub Centre, BARI, Munshiganj

M.A. RAHIM
Professor
Deptt.of Horticulture, BAU, Mymensingh

M. A. HAQUE
Professor
Deptt.of Crop Botany, BAU, Mymensingh

Abstract/ Executive Summary:

An experiment as conducted at Bangladesh Agricultural University. Mymensingh in poly bags under glasshouse condition during October 1997 to March 1998 to know the effects of different water levels at different growth stages of four selected chilli accessions viz., C-0271, C-0272, C-0275, and C- 0277. Six water treatments viz., watering once everyday (W ₁ ) , watering twice everyday (W₂). watering at 4 days interval (W₃), watering at 8 days interval (W₄ ), watering at 16 days interval (W₅), and no watering (W₀) were tested at three growth stages viz., Vegetable stage (S₁), Flowering stage (S ₂), and Fruiting stage (S₃). The accessions of chilli were selected from the results of a previous experiment where ten accessions of chilli collected from Spices Research Centre (SRC) of Bangladesh Agricultural Research Institute, Joydebpur, Gazipur were used. The primary selection was made on the basis of their tolerance and susceptibility to water stages. The results revealed that all the studied parameters viz., plant height, canopy diameter, root length, root volume, no. of fruits per plant, fruit length, fruit diameter, individual fruit weight, no. of leaves per plant, leaf area per plant, fruit yield per plant, leaf dry weight, stem dry weight, root dry weight, fruit dry weight per plant, varied significantly among the accessions under different water treatments at different stages of growth. Out of four accessions, C-0271 and C-0277 were found as water stress tolerant and susceptible, respectively.

Keywords: Water level, Growth stage, Chilli accessions

Location: Bangladesh Agricultural University, Mymensingh

Start Date: 00-10-1997

End Date: 00-03-1998

Program Area: Crop-Soil-Water Management

Commodity: Chilli

Objectives:

To identify water (moisture) stress (deficit & excess) tolerant varieties of chilli from the existing chilli cultivars in the country

Methodology:

An experiment was conducted at Bangladesh Agricultural University, Mymensingh in poly bags under glasshouse condition during October 1997 to March 1998 to know the effects of different water levels at different growth stages of four selected chilli accessions viz., C-0271, C-0272, C-0275, and C- 0277. Six water treatments viz., watering once everyday (W ₁ ) , watering twice everyday (W₂). watering at 4 days interval (W₃), watering at 8 days interval (W₄ ), watering at 16 days interval (W₅), and no watering (W₀) were tested at three growth stages viz., Vegetable stage (S₁), Flowering stage (S ₂), and Fruiting stage (S₃). The accessions of chilli were selected from the results of a previous experiment where ten accessions of chilli collected from Spices Research Centre (SRC) of Bangladesh Agricultural Research Institute, Joydebpur, Gazipur were used. The primary selection was made on the basis of their tolerance and susceptibility to water stress. Six seeds were sown in each bag and after germination, seedlings were thinned to one for conducting experiment. N:P:K fertilizers@ 250:160:250 mg were applied in each bag after 10 to 15 days of treatment imposition (Anon., 2005). Fertilization was followed by irrigation.

Source of Information: Bangladesh J. Agril. Res. 34(1) : 143-155, March 2009

Article Link (Online Journal):

Funding Source:

Total Budget (Tk.) :

Achievement/Findings:

The results revealed that all the studied parameters viz., plant height, canopy diameter, root length, root volume, no. of fruits per plant, fruit length, fruit diameter, individual fruit weight, no. of leaves per plant, leaf area per plant, fruit yield per plant, leaf dry weight, stem dry weight, root dry weight, fruit dry weight per plant, varied significantly among the accessions under different water treatments at different stages of growth. Out of four accessions, C-0271 and C-0277 were found as water stress tolerant and susceptible, respectively.

Knowledge Management: Journal