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Effect of Lifting Time and Tuber Size on Ambient Storage Performance of Potato Derived from True Potato Seed

J.S. Nipa
Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka-1207

T.S. Roy
Professor
Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka-1207

A.K.M.R. Amin
Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka-1207

M. Hasanuzzaman
Department of Agronomy, Faculty of Agriculture, Sher-e-Bangla Agricultural University, Dhaka-1207

Abstract/ Executive Summary:

Potato tuber derived from true potato seed was evaluated under the natural storage condition affected by five lifting period after haulm killing viz., L₀ = 0 day after haulm killing, L₁ =3 days after haulm killing, L₂ =6 days after haulm killing,L₃ = 9 days after haulm killing, L₄ =12 days after haulm killing and 3 tuber size viz., small, medium and large by using completely randomized design (CRD) with 3 replications at Sher-e-Bangla Agricultural University, Dhaka, Bangladesh, during 2011. The natural storage performance of tubers was influenced by lifting period and /or tuber size. Most of the post harvest parameters of tuber viz., dry matter content, weight loss, rotten tuber, total soluble solid content, days to sprout initiation, days to shriveling and apical sprout length showed better performance with increasing lifting period. Among the tuber sizes, small sized tubers showed better post harvest performance compared to those of large and medium. Among the lifting periods and tuber sizes, L₃ (9 days after haulm killing) and small sized tuber showed better natural storage 3 performance.

Keywords: Effect, Lifting Time, Tuber Size,Ambient Storage Performance, Potato

Location: Laboratory of the Department of Agronomy, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207

Start Date: 28-03-2011

End Date: 31-08-2011

Program Area: Postharvest and Agro-processing

Commodity: Potato

Objectives:

To study the natural storage performance of potato as affected by lifting period after haulm killing.

Methodology:

The experiment was conducted at the Laboratory of the Department of Agronomy, Sher-e-Bangla Agricultural University, Sher-e-Bangla Nagar, Dhaka-1207 during the period from March to August, 2011 to study the natural storage performance of potato as affected by lifting period after haulm killing. Any visible defects, disease symptoms and insect infestations free tubers were used for the experiment derived from BARI TPS-1. The experiment consisted of two factors, one was five harvesting periods of 3 days interval such as L₀ = 0 day after haulm killing, L₁ =3 days after haulm killing, L₂ =6 days after haulm killing,L₃ = 9 days after haulm killing, L₄ =12 days after haulm killing and another factor was three tuber sizes of ARI TPS-1 such as L=Large (>45 mm), M=Medium (28-45 mm), S=Small (<28 mm). The experiment was laid out in a Completely Randomized Design (CRD) with 3 replications. Data was recorded on different parameters.The collected data on various parameters were statistically analyzed using MSTAT statistical package. Duncan's Multiple Range Test (DMRT) at the 5% level was used to compare the significance among the treatments.

Source of Information: International Journal of Sustainable Agriculture 5 (1): 01-09, 2013

Article Link (Online Journal):

Funding Source:

1. Government

Budget:

Total Budget (Tk.) :

Achievement/Findings:

The natural storage performance of tubers was influenced by lifting period and /or tuber size. Most of the post harvest parameters of tuber viz., dry matter content, weight loss, rotten tuber, total soluble solid content, days to sprout initiation, days to shriveling and apical sprout length showed better performance with increasing lifting period. Among the tuber sizes, small sized tubers showed better post harvest performance compared to those of large and medium. Among the lifting periods and tuber sizes, L₃ (9 days after haulm killing) and small sized tuber showed better natural storage 3 performance.

Knowledge Management: Journal