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Effect of Leaf Picking on Growth and Yield of Lettuce

Ferdouse Islam

M. Nazim Uddin

M. H. Al-Mamun

Abstract/ Executive Summary:

The experiment was conducted during rabi season of 2011-2012 with BARI Lettuce-1 and one advanced line Lt - 010 with RCB design with three replication. Three type of leaf picking practice and one control (whole plant uprooting) was applied with view to increase production level as well as enlarge harvesting time. After 5 days intervals the highest number of leave and weight was harvested compared to 7 and 10 days interval picking. Significantly very small number of leaf was harvested from whole plant uprooting practice. Similar trend was observed from both varieties.

Keywords: Lettuce, Leaf picking, Yield

Location: Horticulture Research Centre, BARI, Gazipur

Start Date: 00-00-2011

End Date: 00-00-2012

Program Area: Crop-Soil-Water Management

Commodity: Lettuce

Objectives:

The research was under taken to increase the production level and long period availability.

Methodology:

The experiment was carried out at Olericulture Division, Horticulture Research Centre, BARI, Gazipur during rabi 2011-12. The study was set up in RCB design with three replications. The variety BARI Lettuce-1 and Lt- 010 was included in the study with three picking time (T₁ = Leaf picking at 5 days intervals, T₂ = Leaf picking at 7 days intervals, T₃= Leaf picking at 10 days intervals and T₄= whole plant uprooting (traditional harvesting system). The seeds were sown on October 18, 2011 in the seed bed. Thirty days old seedlings (4-5 true leaf stage) were transplanted in the experimental plots. Plot size 3 m x 1.2 m maintaining 30 cm x 30 cm spacing. Cowdung 10 ton, urea 100 kg, TSP 100 kg and MP 150 kg per hectare, were applied respectively. Half of the quantity of cowdung was applied during final land preparation. The remaining cowdung, entire quantity of TSP, ZnO, Gypsum and one third each of urea and MP were applied during pit preparation. The rest of Urea and MP were applied in two equal splits, 14 and 21 days after transplanting in the main field. The intercultural operations such as weeding, irrigation etc. were done as and when necessary. After 35 days of planting leaf picking was started as per treatment. Data on different yield and yield contributing traits were recorded and statistically analyzed.

Source of Information: Research Report on Horticultural Crops 2011-2012 (Olericulture Division) HRC, BARI, Gazipur

Article Link (Online Journal):

Funding Source:

1.

Budget:

Total Budget (Tk.) :

Achievement/Findings:

After 5 days intervals the highest number of leave and weight was harvested compared to 7 and 10 days interval picking. This is first year result. The result may be further repeated for confirmation.

Knowledge Management: Report/Proceedings