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Effect of Storage Condition and Storage Duration of Up Rooted Seedlings on the Performance of Transplant Aman Rice Cv. Br11

Hossain MS
Supreme Seed Company Limited.

Zaman F
Dept. Agron, Bangladesh Agricultural University, Mymensingh, Bangladesh.

Hossain MM
Agron. Div., Bangladesh Sugarcane Research Institute, Pabna, Bangladesh.

Hasan AK
Dept. Agron, Bangladesh Agricultural University, Mymensingh, Bangladesh.

Abstract/ Executive Summary:

An experiment was conducted at Mymensingh during the period from July to November 2010 to find out the effect of storage condition and storage duration of uprooted seedlings cv. BR 11 on the performance of transplant aman rice. Three storage condition of uprooted BR11 rice seedlings viz. under shade, in the sun and in water and five storage duration viz. 0, 2, 4, 6 and 8 days were included in the experiment. The experiment was laid out in a Split-plot design with three replications. Result indicates that the best performance was exhibited by the seedlings stored in water followed by those stored under shade and in the sun. The effect of storage period is also significant. Result revealed that among the storage duration of uprooted rice seedlings, 0 days storage duration showed best performance in respect of plant height (cm), panicle length (cm), number of fertile tillers per hill^-1, number of filled grain hill^-1, 1000-grain weight (g), grain yield (t ha^-1), straw yield (t ha^-1), biological yield (t ha^-1), harvest index (%). The interaction of storage cond ition and storage duration significantly affected on number of hills plant ^-1, number of culms m^-2 , plant height, number of filled grain hill^-1, grain yield (t ha^-1), biological yield (t ha^-1) and harvest index. In general the effect of interaction was in favour of water storage and 0 days storage duration.

Keywords: Storage condition, Storage duration, Uprooted seedlings

Location: Mymensingh area

Start Date: 00-07-2010

End Date: 00-11-2010

Program Area: Seed Technology

Commodity: Rice

Objectives:

To determine the effect of storage conditions and storage durations of uprooted seedlings of BR11 on the performance of transplant aman rice.

Methodology:

An experiment was conducted at Mymensingh during the period from July to November 2010. The land was medium high and the soil was sandy-loam and well drained and its general fertility level was low. The soil of the experimental field was more or less neutral in reaction with p H value 5.6 to 7.3 and low in organic matter content (1.67%). The experiment consisted of three storage condition viz. under shade (E₁ ), in the sun (E₂ ) and in water (E₃ ) and five storage duration viz. 0 days (D₀ ), 2 days (D₁ ), 4 days (D₂ ), 6 days (D₃ ) and 8 days (D₄ ). The experiment was laid out in split-plot design, assigning the storage condition to the main plot and storage duration to the subplots at random. The treatments were replicated 4 times. The recommended rice cultivar, BR11 (Mukta), was used as planting material. The seedlings were raised in the wet nursery beds. The sprouted rice was sown in the nursery bed on 4 July 2010. The crop was fertilized with urea, triple superphosphate, muriate of potash, gypsum and zinc sulphate at the rates of 150, 90, 40, 60 and 10 kg ha^-1, respectively. The full dose of triple superphosphate, muriate of potash, gypsum and zinc sulphate and one third of urea were applied at the time of final land preparation. The rest of urea was top-dressed in two equal splits on 42 and 64 days after transplanting, which coincided with the maximum tillering and Panicle initiation stages, respectively. The seedlings were uprooted carefully fr om the nursery bed on 10, 12, 14, 16 and 18 August 2010 and stored for 8, 6, 4, 2 and 0 days, respectively as per design of the experiment. Transplanting was done on 18 August using 44 day old seedlings at the rate 3 seedlings per hill by maintaining the spacing of 25 cm and 15 cm between the rows and hills, respectively. Identical intercultural operations were done in each unit plot as a when required. Weeding was done twice with the help of sickle on 20 and 35 days of transplanting. Two irrigations were given on 34 and 56 days of transplanting. The crop was harvested plot wise on 25 November 2010 at full maturity. Number of hills plot^-1 and number of culms m^-2 were counted at harvest. Data were collected on number of hills plot^-1 , number of culms m^-2, plant height, number of fertile tillers hill^-1, number of infertile tillers hill^-1, 1000-grain weight, grain yield (t ha^-1), straw yield (t ha^-1), biological yield (t ha^-1) and harvest index (%). Collected data were analyzed statistically using MSTAT-C program and the means were compared by Duncan ’s Multiple Range Test (Gomez and Gomez, 1984).

Source of Information: BJPST: 11(1): 107-110 [January, 2013], ISSN: 2305-1809

Article Link (Online Journal): http://bjpst.net/wp-content/uploads/2016/02/Saiful-107-110.pdf

Funding Source:

Budget:

Total Budget (Tk.) :

Achievement/Findings:

Result revealed that, in case of an emergency, uprooted seedlings of BR11 rice can be stored in water even up to 8 days and in the sun or under shade for 0 to 2 days without any considerable losses in grain yields.

Knowledge Management: Journal