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Study of Vegetative Growth Gorontalo Local Upland rice Ponda Merah Accession Against Drought And Shade Stresses
Aisyah Ahmad* and Patta Sija

Gorontalo Assessment Institute for Agricultural Technology
Jalan Muh Van Gobel no. 270 Tilongg Kabila Bone Bolango Gorontalo
*ahmad.aisyah018[at]gmail.com


Abstract

The aim of this study was to determine the vegetative growth response of Gorontalo local upland rice Ponda Merah accession against drought and shade stresses. The study was conducted in Sipatana Village, West Bulotadaa Subdistrict, Gorontalo City, from May to October 2017, examined using randomized block design with 4 replications. The first factor observed was the drought treatment which consisted of two levels; irrigation until the inundation height of 1.5 cm and irrigation carried out if the potential of groundwater reaches -30 to -35.9 kPa. The second factor was shades which consisted of 3 levels; 0% shade, 25% shade, and 50% shade. The results showed that Gorontalo local upland rice Ponda merah accession was able to adapt well to drought stress, shade stress, and combination of both which were characterized by high values of plant dry weight 49,88 g under drought stress condition, 84,08 g under 50% shade condition and 44,61 g in drought + 50% shade condition and chlorophyll content 0.148 mg.g-1 under drought stress condition, 0,168 mg.g-1 under 50% shade condition and 0,202 mg.g-1 in drought + 50% shade condition.

Keywords: upland rice, shade, drought

Topic: Other Agricultural and biosystems topic

Link: https://ifory.id/abstract/Rwhq9QtdyrMk

Conference: The 3rd International Symposium on Agricultural and Biosystem Engineering (ISABE 2019)

Plain Format | Corresponding Author (Aisyah Ahmad)

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