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Welianto Boboy, Welianto
Jurusan Manajemen Pertanian Lahan Kering Politeknik Pertanian Negeri Kupang
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Environmental Science Immunology & microbiology Social Sciences Veterinary

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HASIL PADI GOGO LOKAL-NTT DI BAWAH KONDISI DEFISIT AIR Welianto Boboy; Yos F. da-Lopes
Partner Vol 17, No 2 (2010): Edisi November
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v17i2.48

Abstract

Yield of NTT Local Upland Paddy under Water Deficit Conditions. This study was to evaluate yield of NTT local upland paddy under drought stress at different growth phases. The research was design in Randomized Block Design, consisted of two factors, i.e. upland paddy cultivars (factor A) and drought stress at different growth phases (factor B). Factor A consists of nine cultivars i.e. Kodi-1, Kodi-3, Kodi-4, Mts-3, Mts-5 Wkb-1, Wkb-2, IR-64, and Grogol; Factor B consists of four levels i.e. control (without drought stress treatment, P0), drought stress of 1 x 120 hours at vegetative growth phase (P1), drought stress treatment of 1 x 120 hours at the generative growth phase (P2), drought stress of 1 x 120 hours at the vegetative and generative phase (P3). Each treatment was repeated three (three) times so there were 108 observation units. The parameters measured were the number of grains per panicle, pithy grain percentage, and dry weight of 100 pithy grains. All the measurement data of each variable were analyzed using analysis of variance (ANOVA) and followed by Duncan multiple range test (DMRT) when there were significant differences among the treatment being tested. The results showed that there were different interaction among NTT local upland paddy cultivars due to the drought stress at different growth phases, in the terms of number of grains per panicle, pithy grain percentage, and dry weight of 100 pithy grains. Based on the number of grains per panicle, Grogol was tolerant to drought stress; whereas, Wkb-2, Wkb-1, and IR-64 were sensitive to drought stress. Refers to the percentage of pithy grains, grogol, MTS-3, and MTS-5 were tolerant to drought stress; meanwhile, Kodi-4 and Wkb-1 were the most sensitive cultivars.Keywords: local upland paddy, drought stress, growth phases
EFEKTIVITAS EKSTRAK BEBERAPA BAHAN NABATI LOKAL SEBAGAI PESTISIDA NABATI DALAM MENGENDALIKAN HAMA BUBUK JAGUNG (Sitophylus zeamays) Yosefus F. da-Lopes; Welianto Boboy
Partner Vol 15, No 2 (2008): Edisi November
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v15i2.30

Abstract

Effectiveness Several Local Plants Extracts as Botanic Pesticide in Controlling Sitophylus zeamays. The research aimed to know the effectiveness of papaya leaves, piper betle leaves, and nimba leaves, as botanic pesticide in order to control Sitophylus zeamays. The research was arranged in randomized block design, by three replications. The treatments studied consisted of control (without botanic pesticide), extract of papaya leaves, nimbi leaves, and piper betle leaves. Parameter measured consisted of severity and population density of S. zeamays. Data were analyzed using analysis of variance, and were continued with Duncan Multiple Range Test to find out the difference of influence at treatments tried. The results indicated that using of local plants as botanic pesticide affected to severity and population density of S. zeamays (probability < 0.05). Those botanic pesticides were sufficient influential to control S. zeamays. These were performed by level decrease of corn weight. Population density of S. zeamays was still showing hard attack; however, those botanic pesticides are useable in depressing development of S. zeamays.Keywords: S. zeamays, papaya, piper betle, nimba
PERTUMBUHAN DAN HASIL TIGA TANAMAN TOMAT PADA CEKAMAN SALINITAS Welianto Boboy
Partner Vol 19, No 1 (2012): Edisi Juli
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v19i1.123

Abstract

Growth and Yields of Three Tomato Plants In Salinity Stress. Salinity negatively affects to growth and yield of crops. It can be reduced by planting adaptive plants as a method to overcome. The research was to study the effect of saline water gradient to three cultivars of tomato in relation to growth and yields, and to determine the tolerance level of the 3 tomato cultivars grown in saline conditions. A split plot was used with three replications in each treatment.  The main-plots were 3-levels saline water gradient: 0 dS.m-1 (control), 2.5 dS.m-1 (a low level), and 5.0 dS.m-1 (a moderate level). The sub-plots were three different tomato cultivars: Rempai, Royal and Permata. The result showed that saline water gradient (2.5 and 5.0 dS.m-1) reduced the growth and yield of the 3 experimental tomato cultivars.  The decrease of growth and yields in Rempai was lower than two other cultivars, Royal and Permata, due to the slightingly and moderately saline water gradient. In salinity stress, Rempai was lower in the stress sensitivity indices, and higher in the stress tolerance and yield stability indices. It indicated that Rempai was more resistant than Permata and Royal against to salinity stress. Key words: tomato, salinity, growth, yield, resistance.
PEMASARAN BISNIS MADU HUTAN AMFOANG DENGAN PENDEKATAN RANTAI NILAI Dina V. Sinlae; Lewi Bentang; Melgiana S. Medah; Welianto Boboy
Partner Vol 28, No 2 (2023): Edisi November 2023
Publisher : Politeknik Pertanian Negeri Kupang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35726/jp.v28i2.7155

Abstract

This research was conducted in Kupang Regency and Kupang City by interviewing 23 farmers, four collectors, two processors, and one supporting agency with the aim of analyzing the marketing aspect of honey from Amfoang using a value chain approach. The results showed, marketing chain of forest honey was relatively long and involved many actors, which resulted in low share received by farmers (13.79%). Meanwhile, the largest profit margins were among the retailer in NTT and retailers outside NTT at 33.8% and 36%, respectively. It is suggested that there is a need to increase the honey quality by empowering forest honey business actors, especially upstream players and shortening the marketing channels by optimizing marketing models based on digital technology. Key Words: Marketing analysis, honey, Amfoang, value chain approach
Co-Authors Lewi Bentang Melgiana S. Medah Sinlae, Dina V. Yosefus F. da-Lopez