THE EVALUATION OF CHARACTERISTICS OF JAMBI LOCAL RICE (ORYZA SATIVA L.) TOWARD THE AGROECOSYSTEM OF LOWLAND SWAMP FIELDS ON THE VEGETATIVE GROWTH STADIA
2019
Aryunis | Nurdiansyah F.
The evaluation of characteristics of Jambi local rice (Oryza sativa L.) toward the agroecosystem of lowland swamp fields on the vegetative growth stadia is aimed to achieve the variety of Jambi local rice that is adaptive to the extreme condition of swamp on rainfed lowlands so that the erratic rainfall due to the climate change can be overcome and as an enrichment of germplasm sources for reparation and manipulation of new superior varieties that can cope with the climate changes and improve the rice production. This study was conducted in 2018 in a lowland swamp belongs to the farmers of Lubuk Ruso Village, Subdistrict of Pemayung, Batanghari District, Province of Jambi. The test materials are varieties of local rice from Jambi, as a result of exploration in 2004, 2009, 2013, and 2018 in the province of Jambi. The screening of the adaptive lowland swamp was conducted on the nursery stage until the growth of sprouts at its maximum in accordance with the soil moisture content related to the rainfall, as many as 24 varieties of Jambi local rice. This study is selection research of Jambi local rice toward the agroecosystem of lowland swamp fields on the vegetative growth stadia. The observation is conducted on the morphology characteristics that are adaptive to the lowland swamp. The findings show the difference in morphological characteristics of adaptation abilities from the varieties of Jambi local rice evaluated on the lowland swamp. Of all 24 varieties of adaptive local rice, there are 19 varieties which have a character of short-stemmed sprout and 5 varieties which have a character of medium-stemmed sprout.
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