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

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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.
PHENOTYPE CHARACTERISTICS OF CROSSING PURPLE CORN AND SWEET YELLOW CORN (ZEA MAYS L.) IN GENERATION F4 Maemunah Maemunah; Sakka Samudin; Mustakim Mustakim; Ali Akbar; Jeki Jeki
AGROLAND The Agricultural Sciences Journal (e-Journal) Vol 11 No 1 (2024): June
Publisher : Universitas Tadulako

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22487/agroland.v0i0.1740

Abstract

Phenotypic characters in crossed plants is very important to find out the success of a cross and the differences in characters between one type and another. The purpose of this study was to identify and determine the best phenotypic characters resulting from crosses of maize plants in the F4 generation. This research was carried out on agricultural land in Oloboju Village (Bulu Pontu Jaya SP2), at an altitude of 176 meters above sea level, with a latitude of 1ᵒ00'21" South Latitude and 119ᵒ56'50.49" North Latitude. Sigi Biromaru District, Sigi Regency. The study started from February to July 2020. This study was structured using a randomized block design with five maize cultivars from F3 crosses as treatments, namely: purple corn cultivar, dominant yellow: purple, white dominant purple, purple dominant white, and purple dominant yellow which was repeated five times to obtain 25 experimental plots. The observed variables were: plant height, number of leaves, stem diameter, age at which male flowers were released, age at which female flowers were released, age at harvest, cob length, cob diameter, number of cob seeds, percentage of color, and weight of 100 seeds. The research data were analyzed using ovarian analysis, which was followed by the HSD test at the 1% level. The results showed that purple corn cultivars had the best phenotypic characteristics, namely, plant height reached 226.55 cm, cob diameter reached 40.95 mm, cob length reached 15.05 cm, color percentage reached 70.39%, number of cob seeds reached 411 .70 seeds and has a slightly fluffier texture and a slightly less sweet taste until it is quite sweet.
Co-Authors Ali Akbar Maemunah Maemunah Mustakim Mustakim Ni luh Dian Purnama Sari Ramal Yusuf Sakka Samudin Yusran Yusran