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All Journal AGROLAND: The Agricultural Sciences Journal
Mustakim Mustakim
Program Study of Agrotechnology Faculty of Agriculture University of Tadulako
Agriculture, Biological Sciences & Forestry

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CORRELATION ANALYSIS AND CROSS-PRINT BETWEEN THE SEVERAL CHARACTERS OF LOCAL GOGO RICE CULTIVARS (Oryza sativa L.) Sakka Samudin; Maemunah Maemunah; Usman Made; Andi Ete; Mustakim Mustakim; Saharil Darmin
AGROLAND The Agricultural Sciences Journal (e-Journal) Vol 9 No 2 (2022): December
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/agroland.v0i0.1489

Abstract

The relationship between several characters of yields is very important for developing effective selection criteria. The total correlation between the result character and the result component may be misleading as a result of its relationship with other characters. Separating the total correlation into direct and indirect effects provides a more significant explanation of the cause of the relationship between dependent variables such as yield and independent variables such as yield components. This study aims to determine several traits that can be used to make selections indirectly and directly to increase the yield of upland rice. This research has been carried out on agricultural land in the village of Tamarenja (Kalama), Sindue District, Donggala Regency. Starting from August to December 2019, using a Randomized Block Design (RBD) with seven genotypic cultivars and three groups of cultivars so that there were twenty one experimental plots. The results showed that the number of leaves, leaf length, number of tillers, number of productive tillers, flowering age, thickness of seeds and weight of 1000 grains had a positive and significant correlation to yield. Flowering age, 1000 grain weight, and number of tillers are some of the characteristics that have a high direct effect and significant correlation to upland rice yield.
GROWTH RESPONSE OF TWO LOCAL UPLAND RICE CULTIVARS (ORYZA SATIVA L.) ON SALINITY Maemunah Maemunah; Jeki Jeki; Mustakim Mustakim; Yusran Yusran; Ramal Yusuf; Ni luh Dian Purnama Sari
AGROLAND The Agricultural Sciences Journal (e-Journal) Vol 10 No 2 (2023): December
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/agroland.v0i0.1582

Abstract

Increasing the number of inhabitants in Indonesia led to the limited agricultural land so that the paddy fields become narrow and limited, the limited paddy fields caused agricultural production in Indonesia to decline while demand increased. Tidal land cultivation is still rarely performed due to the high salt content (NaCl). The purpose of this study is to obtain upland rice cultivars that are tolerant of salinity stress. The study was conducted in November to December 2019 at the Seed and Science Technology Laboratory of the Faculty of Agriculture, University of Tadulako. The study was arranged using a completely randomized design (CRD) of two factors where the first factor consisted of two levels, namely Logi, and Tako, while the second factor consisted of five levels, namely 0.5%, 0.6%, 0.7%, 0.8%, and 0.9% were repeated three times. The results showed that tako cultivars have a good tolerance to salinity stress compared to logi cultivars, tako cultivars have the fastest germination time and germination capacity above 80%. At a concentration of 0.5% can not inhibit the growth of upland rice, but at a concentration of 0.9% can inhibit the growth of upland rice.
DETERMINING THE RIGHT DOSAGE OF INORGANIC FERTILIZERS TO INCREASE GROWTH AND RESULTS THREE LOCAL UPLAND RICE CULTIVARS Usman Made; Mustakim Mustakim
AGROLAND The Agricultural Sciences Journal (e-Journal) Vol 10 No 1 (2023): june
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/agroland.v0i0.1583

Abstract

Fertilization is one of the important factor to increase production. The aim of this study was to determine the appropriate dosage of inorganic fertilizers to increase the growth and yield of three cultivars of upland rice. This research was conducted at the Center for Research and Development of Gogo Rice, Faculty of Agriculture, Tadulako University, Kalama, Tamarenja Village at an altitude of 180 to 250 above sea level with a latitude of 00o 26'51.5” South Latitude and 119o49'50.6” East Latitude, Sindue District, Donggala Regency, Central Sulawesi Province. The time of the research started from March to August 2020. This research was compiled and carried out using the factorial 2 factors Randomized Block Design (RBD) method. The first factor used three local upland rice cultivars, namely: Pae Bohe, Buncaili, and Uva Buya, while the second factor used six doses of inorganic fertilizers, namely: No fertilization, NPK fertilization 100 kg/ha, 200 kg/ha, 300 kg/ha, 400 kg/ha, and 500 kg/ha. There were 18 combinations, where each treatment was repeated three times so that there were 54 research units. Parameters observed included plant height, number of productive tillers, age of panicle appear, harvest age, number of panicle grains, percentage of empty grain, 1000 grain weight and production. The results showed that the Pae bohe cultivar with fertilization dose of 500 kg/ha produced the highest number of productive tillers (6.69 per clump), the lower percentage of grain pests (5.34%), and the highest production (3.82 tons/ha).
Co-Authors Andi Ete Jeki Jeki Maemunah Maemunah Ni luh Dian Purnama Sari Ramal Yusuf Saharil Darmin Sakka Samudin Usman Made Usman Made Yusran Yusran