Abstract
Shallow swamps can be used for rice production during the dry season. The problem that occurs is lack of water. The technology needed to overcome these problems is drought tolerant superior varieties. The purpose of this study is to obtain superior varieties tolerant to drought on shallow lebak swampy. The study was conducted from April 2019 to August 2019. The varieties used were Situ bagendit, Rindang 1, Rindang 2, and the Siam (local) as comparison. Data collected included: plant height, number of productive tillers, number of grains per panicle, number of filled grains per panicle, number of empty grains per panicle and production. The method used is direct observation in the field. The data obtained were compiled by tabulation and analyzed by statistical tests namely the similarity test of the middle value (t-test). The results showed that the varieties Situ Bagendit, Rindang 1, and Rindang 2 had better numbers of productive tillers, number of grains per panicle, and number of filled grains per panicle than Siam varieties. The highest production was achieved by the Situ Bagendit variety, namely 4.6 tonnes/ha. Meanwhile, the production of Rindang 2, Rindang 1, and Siam varieties were 4.4; 4.0; and 2.0 tonnes/ha.
Highlights
The provision of food, especially rice, is a major concern of the government
The planting start from shallow swamp, next to the middle swamp, and to the deep swamp
Shallow swamp land are encouraged to increase the production of rice [4, 20]
Summary
The provision of food, especially rice, is a major concern of the government. As a result of land conversion on the fertile lands as on the island of Java, the development of the rice crop is diverted outside of Java such as the island of Sumatra. Regional Development rice agro-ecosystem directed to lowland swamp that still require attention, especially in Ogan Ilir that has the widest swampy marsh. The planting start from shallow swamp, next to the middle swamp, and to the deep swamp. Shallow swamp land are encouraged to increase the production of rice [4, 20]. The increase in production was mainly contributed by the use of improved varieties. The use of high-yielding varieties over a long period of time will result in decreased resistance of varieties due to the emergence of new pest biotypes and disease strains that have an impact on reducing rice productivity [12]
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