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The Influence of Deficit Irrigation on Growth, Chlorophyll Content, Water<br />

Use Efficiency and Stomata Conductance of Three Potted Torenia<br />

Genotypes.<br />

Nurul Aini Binti Shaari<br />

Supervisor: Dr. Nor Idzwana Binti Mohd.Idris<br />

Bachelor of Science Agrotechnology (Crop Science)<br />

School of Food Science and Technology<br />

Torenia is widely used as a flowering shrub in gardening and landscaping in the Asia<br />

area. A proposed study on DI on Torenia sp. will be conducted in greenhouse to<br />

determine the effect of deficit irrigation on three potted Torenia genotypes [Torenia<br />

fournieri (purple), Torenia fournieri (pink) and Torenia fournieri (white)] on<br />

agronomical and physiological parameter. Irrigation treatments were based on the<br />

daily water use 75%, 50%, or 25% of water supplied in the control treatment<br />

(medium, low and severe deficit irrigation, respectively). It is expected that the total<br />

leaf area of Torenia fournieri (purple), Torenia fournieri (pink) and Torenia fournieri<br />

(white) will decrease in response to an increase in water stress and also the biomass<br />

of water use efficiency (WUE), stomatal conductance and chlorophyll content will<br />

increase with increasing water stress.<br />

1124 | UMT UNDERGRADUATE RESEARCH DAY 2018

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