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Hindi Response of growth and yield of jobâs tears var. Stenocarpa due to application frequencies of chlormequat chloride retardant
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Copyright: © 2020 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
Abstract
Job’s tears (Coix lacryma-jobi L.) is one of the plants that can be used as an alternative food. The main problems of these plants are low yields and crops that are too high. One effort to correct these problems is by giving retardants. This study aimed to determine the growth and yield of job’s tears var. Stenocarpa by giving Chlormequat chloride (CCC) at various spraying frequencies. This research was conducted in the Experimental Garden of the Faculty of Agriculture, Padjadjaran University, Jatinangor District, Sumedang Regency, in July 2018 to February 2019 that used experimental method. The experiments were carried out on inceptisol soil and during the rainy season. This experiment used randomized block design with four CCC application frequency treatments (no application, 1 time, 2 times, and 3 times) 6 replications. All treatments were sprayed by 2000 ppm CCC. The results showed that giving CCC one time decreased plant height and leaf area index, but increased the number of tillers and number of grains. Further research must be conducted in other environmental conditions to see the effect of CCC accurately.
