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Asian Journal of Agriculture and Development (AJAD) - Call for papers!

Effects of Light and Soil Moisture on Damping-off of Kaatoan Bangkal Seedlings. Research Problem.

(Thailand), Master of Science (University of the Philippines Los Baños)

Thesis Abstract:

 

The study was conducted to determine the effects of light and watering frequency on damping-off of kaatoan bangkal [Anthocephalus chinesis LAMB. (Rich ex. Walp.)] seedlings. Seedless were exposed to 35, 65 and 100% sunlight intensity and watered at intervals of 2,4 and 6 days.

The different treatment and were found to have no effects on the beginning or first sign of damping-off on the seedlings. However., once started, the spread of the disease over the whole seedflat was faster with exposure to lower light intensity except intensity had no effect. Watering once every 2 or 4 days.

Full exposure to sunlight and watering at 6-days interval reduced the number of surviving seedlings. This could be due to severe water stress in the seedlings brought about by increased transpiration under high temperature but with too little soil moisture.