The effects of the density of the mud snail Cipangopaludina chinensis (Martens) (Architaenioglossa: Viviparidae) on the development of rice plant
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Abstract
Abstract. Ernest NM, Yudistira DH, Eware MS, Sato S. 2024. The effects of the density of the mud snail Cipangopaludina chinensis (Martens) (Architaenioglossa: Viviparidae) on the development of rice plant. Asian J Agric 8: 79-87. This study investigated the influence of different mud snails, Cipangopaludina chinensis (Martens) (Architaenioglossa: Viviparidae), and densities on rice plant growth in various environments. The numbers of snails per plant were 0, 2, 5, 7 and 0, 1, 4, 8, respectively. The best density was selected from the first experiment and used in a second investigation outside, which lasted until harvest. In the laboratory, 0 and 5 snails positively impacted the height, while 1, 4, and 8 snails boosted the growth and chlorophyll content. In the greenhouse, 2, 5, and 7 improved the height of rice plants; 0, 5, and 7 snails impacted the number of leaves, then 5 and 7 raised the chlorophyll content. Outside, 2, 5, and 7 snails increased plant height, whereas five snails improved the number of leaves, and 5 and 7 snails enhanced the number of tillers. Subsequently, a density of five snails with four rice seedlings per hill was applied based on the highest average performance criteria recorded across all three test conditions. In 2022, the snail treatment significantly impacted chlorophyll content, plant height, and slight weeding activity. Additionally, during 2023, snails increased the number of tillers, panicles, yields, and the abundance of duckweed and algae. The soil's carbon-nitrogen ratio levels had no significant difference between the two years. As for the survival of animals, notable variations were observed. The findings of this study suggested that fluctuations in the mud snail population benefited rice plant development, as did the occurrence of duckweed and algae, which depend on the surrounding conditions.
2017-01-01