Response of growth and yield of Salibu rice on the stem cutting height of parent crops after harvest

Paiman, Prodi Agroteknologi, Fakultas Pertanian, UPY (2023) Response of growth and yield of Salibu rice on the stem cutting height of parent crops after harvest. AIP Conf. Proc. 2491, 020017 (2023).

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Abstract

Salibu is the rice (Oryza sativa L.) cultivation derived from the stem cutting of parent crops after harvest. The remaining stems provide non-structural carbohydrate reserves to support the emergence of new shoots as salibu rice. The stem cutting height will affect the growth and yield of salibu rice. This study aims to determine the proper stem cutting height of parent crops after harvest to provide the maximum growth and yield of salibu rice. This experiment was a pot experiment and arranged in a completely randomized design (CRD) with 3 replications. Treatment of stem cutting height consisted of six levels, namely: 0, 5, 10, 15, 20, and 25 cm. Observational data were analyzed by analysis of variance at a 5% significance level. To determine the difference between treatments used Duncan's multiple distance test at a 5% significance level. The results showed that there were differences in the response of growth and yield of salibu rice to differences in stem cutting height. Stem cutting higher lead to the time of flowering and harvesting faster, tillers number and shoot dry weight higher, and leaf greenness and yields lower. Otherwise, stem cutting lower resulted in the time of flowering and harvesting slower, tillers number fewer, shoots and grain dry weight smaller. As parent crops, Cakrabuana Agritan variety through transplanting system resulted in 7.0 tons ha-1. The highest grain dry weight of salibu rice was produced by stem cutting at a height of 5 cm from the soil surface with a yield of 3.8 tons ha-1 or 54.5% of the parent crops. The stem cutting of parent crops after harvest at a height of 5 cm is the proper treatment to get the maximum growth and yield of salibu rice. Recommendations for future research, salibu rice cultivation better uses stem cutting at a height of 5 cm from the soil surface.

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