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IN VITRO POLYPLOIDY INDUCTION OF PATCHOULI (POGOSTEMON CABLIN BENTH.) BY COLCHICINE Nurlaili Afifah, Ulil Azmi; Armini Wiendi, Ni Made; Maharijaya, Awang
Journal of Tropical Crop Science Vol 7 No 01 (2020): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

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HERITABILITAS, KORELASI, DAN SIDIK LINTAS BERBAGAI KARAKTER TOMAT PADA KONDISI NAUNGAN DAN TANPA NAUNGAN Ritonga, Arya Widura; Chozin, Muhamad Achmad; Syukur, Muhamad; Maharijaya, Awang; Sobir
Jurnal Hortikultura Indonesia Vol. 10 No. 2 (2019): Jurnal Hortikultura Indonesia
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (383.399 KB) | DOI: 10.29244/jhi.10.2.85-93

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Character selection information is essential for plant breeding program. SSH3 tomato genotype (shade-loving genotype), 4974 (shade-sensitive genotype), and F2 population derived from ?SSH3 x 4974? were evaluated to estimate the heritability, correlation, direct and indirect effects between yield and various yield atributting characters in tomato under shading and normal condition at Pasir Kuda Station, Bogor Agriculture University, West Java, Indonesia from July until October 2016. The results showed that plant height, leaf length, leaf width, leaf weight, specific leaf weight, fruit weight, fruit number per plant and fruit weight per plant had high heritability under normal condition, while plant height, fruit set, fruit number of plant and fruit weight per plant had high heritability under shading condition. High direct positive effect on yield per plant was resulted from fruit weight and fruit number of plant under shading and normal condition, while leaf width had direct positive effect on fruit weighr per plant only under shading condition. High indirect positive effect on yield per plant was resulted from fruit set, fruit length and fruit diameter under shading and normal condition, while plant heigh had high indirect effect on yield per plant only under shading condition. Fruit set, fruit weight, and fruit number per plant characters were potential to be used as character selection for tomato productivity in normal conditions. Plant height, fruit set and fruit number per plant were potential to be used as character selection for tomato productivity under shading condition. Keywords: direct effect, fruit set, indirect effect, low light tolerant
COMPARATIVE ANALYSIS OF GENETIC DIVERSITY AMONG POD VEGETABLES GENETIC RESOURCES POTENTIAL IN INDONESIA REVEALED BY ISSR MARKERS Rif?atunidaudina, Ria; Sobir; Maharijaya, Awang
Jurnal Hortikultura Indonesia Vol. 10 No. 3 (2019): Jurnal Hortikultura Indonesia
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jhi.10.3.161-172

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Cowpea (Vigna unguiculata ssp unguiculata), yardlong bean (Vigna unguiculata ssp sesquipedalis), Bambara groundnut (V.subterranea), lima bean (Phaseolus lunatus), bush bean (P. vulgaris), jack bean (Canavalia ensiformis), velvet bean (Mucuna pruriens) and winged bean (Psophocarpus tetragonolobus) are the important pod vegetable of the legume crop in Indonesia. These crops have a high economic and nutritional value. Its dry seeds are rich in proteins just like soybeans that can support human health and future food supply. The genetic diversity among different pod vegetables is not very well known. The objectives of this research were to determine the genetic relationships among different pod vegetable species based on ISSR markers. 32 accessions were analyzed by 11 ISSR primers. The result showed that the ISSR marker generated 80 DNA band with the polymorphism rate of 100% and the informative primers were PKBT 3 and PKBT 6. The result of cluster analysis and PCA analysis grouped all 32 accessions of the vegetable pod into eight clusters, indicating that the majority of the accession of a given species tend to group. Gower's similarity coefficient among all accessions varied from 0.425 to 0.988, and from 0.444 to 0.700 at the species level. The ISSR markers revealed the close relatedness between V. subterranea - C. ensiformis species, while the greatest distance was found between the P. vulgaris - M. pruriens species. Such a determination of relatedness is useful for a better understanding of the relationships among different pod vegetable species, which are generally considered to be a complex group with high phenotypic variability.   Keywords: clustering, genetic distance, polymorphism, pulses, similarity coefficient
KERAGAAN DAN PRODUKSI UMBI G2 KENTANG MENGGUNAKAN SUMBER BENIH YANG BERBEDA Azhari, Andi; Maharijaya, Awang; Sobir
Jurnal Hortikultura Indonesia Vol. 10 No. 1 (2019): Jurnal Hortikultura Indonesia
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (252.237 KB) | DOI: 10.29244/jhi.10.1.27-35

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Produksi benih G2 kentang (Solanum tuberosum L.) menggunakan umbi dan setek dari dua varietas lokal dilakukan untuk mengetahui keragaan dan produksinya di Lapangan. Saat ini di Indonesia, setek kentang digunakan secara terbatas untuk produksi umbi G0 dan G1 pada kondisi terkontrol (rumah kaca atau rumah kasa). Rancangan Kelompok Lengkap Teracak (RKLT) faktorial digunakan pada penelitian ini dengan varietas (RGH01 dan Medians) dan sumber benih (umbi (G0) dan setek) sebagai faktor dan lima ulangan. Data dianalisis dengan sidik ragam yang kemudian dilanjutkan dengan uji Duncan. Tanaman kentang yang ditanam dengan sumber benih setek menghasilkan jumlah daun dan cabang yang lebih banyak pada kedua varietas. Namun, tidak berbeda nyata pada peubah tinggi tanaman. Jumlah umbi per tanaman menunjukkan hasil tidak berbeda nyata pada seluruh kombinasi perlakuan dengan 5.2 hingga 5.9 umbi per tanaman. Produktivitas umbi yang lebih besar dihasilkan oleh tanaman kentang dengan sumber benih umbi pada kedua varietas. Persentase umbi kelas S (<40 g) yang lebih besar diperoleh dari tanaman kentang dengan sumber benih setek sebesar 82.0% (Medians) dan 94.1% (RGH01). Kata kunci: perbanyakan benih, perbanyakan kentang, setek, Solanum tuberosum L., umbi
KERAGAAN KARAKTER PEMBUNGAAN KUANTITATIF DAN PROFIL METABOLOMIK BAWANG MERAH (ALLIUM CEPA VAR. AGGREGATUM) YANG DIINDUKSI DENGAN PERLAKUAN VERNALISASI Marlin; Maharijaya, Awang; Sobir; Purwito, Agus
Jurnal Hortikultura Indonesia Vol. 9 No. 3 (2018): Jurnal Hortikultura Indonesia
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (307.116 KB) | DOI: 10.29244/jhi.9.3.197-205

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Proses pembungaan pada bawang merah (Allium cepa var. aggregatum) sangat dipengaruhi faktor internal dan eksternal tanaman. Induksi pembungaan dengan perlakuan vernalisasi dilakukan untuk mendorong inisiasi pembentukan bunga bawang merah. Penelitian bertujuan untuk menganalisis karakter kuantitatif pembungaan dan profil metabolomik bawang merah yang diberikan perlakuan vernalisasi pada stadia perkembangan umbi. Vernalisasi dilakukan pada suhu 8 0C selama 6 minggu terdiri atas empat taraf, yaitu umbi tanpa vernalisasi (S0), vernalisasi pada stadia embrio (S1), vernalisasi pada stadia tumbuh tunas 1 cm (S2), dan vernalisasi pada stadia tumbuh tunas 2 cm (S3). Perlakuan vernalisasi pada stadia awal pertumbuhan umbi mampu meningkatkan karakter jumlah anakan, jumlah umbel, diameter umbel, dan persen berbunga bawang merah dibandingkan vernalisasi pada stadia lainnya. Stadia awal pertumbuhan umbi merupakan stadia terbaik dalam menerima perlakuan vernalisasi. Semakin besar jumlah umbel dan diameter umbel semakin meningkatkan persen berbunga bawang merah. Karakter jumlah umbel dan diameter umbel dapat digunakan sebagai karakter seleksi untuk peubah persen berbunga bawang merah. Analisis metabolomik berhasil mengidentifikasi 104 metabolit spesifik dan mengelompokkan bawang merah menjadi 3 kelompok stadia. Vernalisasi pada stadia awal perkembangan umbi (stadia embrio dan tunas 1 cm) menunjukkan adanya perubahan fase reproduktif, yang dicirikan dengan adanya senyawa phytol dan 2 propanone. Kata kunci: metabolomik, analisis pengelompokan hierarkis, induksi pembungaan, korelasi
RESPON DELAPAN GENOTIPE MELON (CUCUMIS MELO L.) TERHADAP PERLAKUAN KNO3 Huda, Amalia Nurul; Suwarno, Willy Bayuardi; Maharijaya, Awang
Jurnal Hortikultura Indonesia Vol. 9 No. 2 (2018): Jurnal Hortikultura Indonesia
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (324.337 KB) | DOI: 10.29244/jhi.9.2.84-92

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ABSTRACTPotassium (K) is a mineral nutrient needed by crops that influences the quality of fruits and vegetables. The objective of this study was to elucidate the interaction effects of genotype by KNO3 treatment (G × KNO3) on fruit traits of melon. The experiment was conducted from August to October 2016 at Tajur II Experimental Station of IPB, Bogor, following a split plot design with three replicates. The main plot was two levels of KNO3 and the subplot was eight genotypes, consisting of seven test genotypes and one check variety (Eagle). The KNO3 treatments were applied weekly, started from 7-49 DAP with 5 g L-1 concentration, ±200 ml plant-1. G × KNO3 interaction effects were significant for sugar content and titratable acidity (TA). P34 had relatively high sugar content and TA. P25 showed a significant increase of sugar content when KNO3 is added, while Eagle, P311, and P34 showed significant decrease of sugar content. Days to male flowering, days to hermaphrodite flowering, and fruit weight had high broad sense heritability (repeatability), while days to harvest, fruit diameter, flesh thickness, rind thickness, and sugar content had moderate heritability. Fruit weight had significant positive correlation with fruit diameter, flesh thickness, and rind thickness. Application of KNO3 fertilizer in practical is therefore suggested for the postive-response genotypes to KNO3.Key words: fruit quality, KNO3, melon, sugar contentABSTRAKKalium (K) merupakan mineral yang dibutuhkan oleh tanaman yang berpengaruh terhadap kualitas buah dan sayur. Pada budidaya melon umumnya, sumber mineral K diperoleh dalam bentuk KNO3. Penelitian ini bertujuan mengidentifikasi pengaruh interaksi genotipe × perlakuan KNO3 (G × KNO3) terhadap peningkatan kualitas buah melon. Percobaan dilakukan pada bulan Agustus sampai Oktober 2016 di Kebun Percobaan IPB Tajur II, Bogor menggunakan rancangan petak terbagi (split plot design) dengan tiga ulangan. Petak utama merupakan perlakuan KNO3 dengan dua taraf, dan anak petak merupakan genotipe dengan delapan taraf, yang terdiri dari tujuh genotipe uji dan satu varietas pembanding (Eagle). Perlakuan KNO3 dilakukan setiap minggu mulai 7?49 HST dengan konsentrasi 5 g L-1 dan volume aplikasi ± 200 ml tanaman-1. Interaksi G × KNO3 berpengaruh nyata terhadap karakter kadar gula dan total asam tertitrasi (TAT). Genotipe P34 memiliki kadar gula dan TAT yang relatif tinggi. P25 merupakan genotipe yang menunjukkan respon positif berupa peningkatan kadar gula pada perlakuan KNO3, namun sebaliknya genotipe Eagle, P311, dan P34 justru menunjukkan penurunan kadar gula yang signifikan pada perlakuan KNO3. Karakter yang memiliki nilai heritabilitas (repeatabilitas) arti luas yang tergolong tinggi adalah umur berbunga jantan, umur berbunga hermaprodit, dan bobot buah, sedangkan yang heritabilitasnya tergolong sedang adalah umur panen, diameter buah, tebal daging buah, tebal kulit buah, dan kadar gula. Bobot buah berkorelasi positif dengan diameter buah, tebal daging buah, dan tebal kulit buah. Aplikasi pemupukan KNO3 secara praktis disarankan pada genotipe melon yang memiliki respon positif terhadap KNO3.Kata kunci: kandungan gula, KNO3, kualitas buah, melon
PEWARISAN SIFAT KETAHANAN CABAI TERHADAP INFESTASI APHIS GOSSYPII GLOVER (HEMIPTERA: APHIDIDAE) Daryanto, Ady; Syukur, Muhamad; Maharijaya, Awang; Hidayat, Purnama
Jurnal Hortikultura Indonesia Vol. 8 No. 1 (2017): Jurnal Hortikultura Indonesia
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (373.536 KB) | DOI: 10.29244/jhi.8.1.39-47

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ABSTRACTAphis gossypii Glover is one of the major pests of chili pepper and can cause damage up to 65% when the population is not controlled. The objective of this research was to elucidate the genetic control of resistance inheritance character of chilli (Capsicum annuum L.) to A. gossypii. Set a population of six generations (P1, P2, F1, F2, BCP1, BCP2 was established from a cross between IPB C20 (resistant parent) with IPB C313 (susceptible parent). Choice test based experiments was applied with two aphids per leaf on a five-week-old seedlings. The results showed that based on number of individual aphids per plant, segregation of resistance and susceptibility characters in the F2 fitted to the normal distribution, indicated that resistance controlled by polygenic genes. Subsequently based of scaling test analysis, resistance characteristics based on the number of aphids per plant categorized overdominan against resistant parent and controlled by many genes. Genes effect for controlling resistance to A. gossypii infestation was recessive. Broad-sense heritability was relatively large for the infestation of aphids per plant, aphids per leaf, and winged aphids while the narrow sense heritability relatively very low on the infestation aphids per plant and per leaf, indicated by the dominant variance was greater than additive variance.Keywords: action genes, Capsicum annuum, dominant varience, heritabilityABSTRAKKutudaun Aphis gossypii Glover adalah salah satu hama pengganggu penting dalam produksi tanaman cabai. Saat populasi kutudaun tidak terkendali dapat menyebabkan kerusakan tanaman cabai hingga 65%. Tujuan penelitian ini adalah mempelajari kendali genetik pewarisan sifat ketahanan cabai (Capsicum annuum L.) terhadap infestasi A. gossypii. Set populasi enam generasi (P1, P2, F1, F2, BCP1, BCP2) dibentuk dari persilangan tetua P1 (IPB C20) dengan nilai infestasi rendah dan tetua P2 (IPB C313) yang bernilai infestasi tinggi. Metode skrining yang digunakan adalah choice test. Jumlah kutudaun yang diinfestasikan adalah dua ekor per daun pada bibit berumur lima minggu. Hasil penelitian menunjukkan bahwa karakter ketahanan cabai terhadap infestasi kutudaun berdasarkan jumlah A. gossypii per tanaman ialah tetua rentan overdominan terhadap tetua tahan dan dikendalikan oleh banyak gen. Gen-gen pengendali ketahanan terhadap infestasi A. gossypii adalah resesif. Nilai heritabilitas arti luas tergolong besar untuk infestasi kutudaun per tanaman, kutudaun per daun, dan kutudaun bersayap, sedangkan heritabilitas arti sempit tergolong sangat rendah pada infestasi kutudaun per tanaman dan per daun yang ditunjukkan oleh proposi ragam dominan lebih besar dibandingkan ragam aditif.Kata kunci: aksi gen, Capsicum annuum, heritabilitas, ragam dominan
KERAGAMAN GENETIK KARAKTERISTIK BUAH ANTAR 17 GENOTIPE MELON (CUCUCMIS MELO L.) Nurul Huda, Amalia; Bayuardi Suwarno, Willy; Maharijaya, Awang
Jurnal Hortikultura Indonesia Vol. 8 No. 1 (2017): Jurnal Hortikultura Indonesia
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (320.916 KB) | DOI: 10.29244/jhi.8.1.1-12

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ABSTRACTBreeding of melon requires the availability of genetic diversity and extensive evaluations of the genetic materials. Evaluations on fruit quality and yield potential are among the important steps in melon breeding. This research was aimed at studying the genetic diversity of 17 melon genotypes based on fruit traits and identifying the potential genotypes to be used as genetic materials in melon breeding programs. The research was conducted from August to October 2015 at the IPB Experimental Station Tajur II, South Bogor, 250 m above sea level. The experiment was arranged in a single factor of randomized complete block design with four replicates. Results of the research showed that genotype effects were significant for all observed traits except for days to hermaphrodite flowering. Traits having broad sense heritability estimates greater than 50% were days to male flowering, days to harvest, fruit length, fruit diameter, flesh thickness, fruit rind thickness, fruit weight, and sugar contant. P21 and P19 genotypes were potential for fruit weight and sugar content, while P2 was potential for fruit weight and P12 for sugar content only. Fruit weight showed significant positive correlations with fruit length, fruit diameter, flesh thickness, and fruit rind thickness. Clustering based on morphological traits generally separated reticulatus and inodorus genotypes into different groups.Key words: correlation, heritability, simultaneous selectionABSTRAKPemuliaan tanaman melon memerlukan ketersediaan keragaman genetik dan evaluasi yang ekstesif pada materi genetik yang digunakan. Evaluasi karakteristik, kualitas buah, dan potensi hasil merupakan tahapan penting dalam pemuliaan tanaman melon. Penelitian ini bertujuan untuk mempelajari keragaman genetik dari 17 genotipe melon berdasarkan karakteristik kualitas buah dan mengidentifikasi genotipe potensial untuk dijadikan materi genetik dalam program pemuliaan. Percobaan dilakukan pada bulan Agustus hingga Oktober 2015 di Kebun Percobaan IPB Tajur II, Bogor Selatan (250 mdpl) menggunakan 17 genotipe melon. Penelitian dilakukan dengan menggunakan rancangan kelompok lengkap teracak (RKLT) faktor tunggal dengan empat ulangan. Hasil penelitian menunjukkan bahwa genotipe berpengaruh nyata terhadap semua karakter yang diamati kecuali umur berbunga hermaprodit. Karakter yang memiliki nilai heritabilitas arti luas lebih besar dari 50% adalah umur berbunga jantan, umur panen, panjang buah, diameter buah, tebal daging, tebal kulit, bobot, dan kadar gula. Genotipe yang memiliki potensi untuk sifat bobot buah dan kadar gula tinggi adalah P21 dan P19, sedangkan P2 dan P12 masing-masing memiliki potensi yang baik untuk bobot buah dan kadar gula saja. Karakter bobot buah memiliki korelasi positif dan nyata dengan panjang buah, diameter buah, tebal daging buah, dan tebal kulit buah. Pengelompokan berdasarkan karakter morfologi secara umum dapat memisahkan genotipe-genotipe melon reticulatus dan inodorus ke dalam grup yang berbeda.Kata kunci: korelasi, heritabilitas, seleksi simultan
SELEKSI TOLERANSI KEKERINGAN IN VITRO TERHADAP ENAM BELAS AKSESI TANAMAN TERUNG (SOLANUM MELONGENA L. ) DENGAN POLIETILENA GLIKOL (PEG) Sinaga, Erna; Sri Rahayu, Megayani; Maharijaya, Awang
Jurnal Hortikultura Indonesia Vol. 6 No. 1 (2015): Jurnal Hortikultura Indonesia
Publisher : Indonesian Society for Horticulture / Department of Agronomy and Horticulture

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (191.933 KB) | DOI: 10.29244/jhi.6.1.20-28

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ABSTRACTThe objectives of this study were to study the effect of several concentrations of polyethylene glycol (PEG) on the in vitro growth of eggplant, to find the appropriate PEG concentration for in vitro selection to drought  tolerance  of eggplant  and the drought tolerant eggplant accessions. The experiment  was conducted  at  the  Laboratory  of  Tissue  Culture,  Department  of  Agronomy and Horticulture,  Bogor  Agricultural  University.  The  experiment  was arranged  in  a  completely randomized design with two factor. The first factor was concentration of PEG (0, 5, 10,  and  15%) while the second factor was eggplant accessions (Kania F1, 001, 007, 013, 016, 030, 034, 035, 055, 057, 069,  071,  072,  078,  085,  and  090).  The  results  showed  that  the addition  of PEG  to  in  vitro media significantly affected the survival percentage, the percentage of callus, developed the bud and the number of leaves of eggplant. Addition of PEG 10 and 15% in media can be used as the drought tolerance selective agent of eggplant in vitro. Kania F1, 001, 007, 016, 034, 035, 055, 057, 069, 071, 072, 078, 085, and 090 were eggplant accessions which might be tolerant to drought.Keywords: in vitro selection, solanaceae, tissue culture, tolerant, drought ABSTRAKPenelitian ini bertujuan untuk  mempelajari pengaruh beberapa konsentrasi polietilena glikol (PEG)  terhadap  pertumbuhan  tanaman  terung  in  vitro, mendapatkan  konsentrasi  PEG  yang  dapat digunakan  untuk seleksi tanaman terung secara in vitro  dan nomor terung toleran terhadap cekamankekeringan. Penelitian ini dilaksanakan di laboratorium Kultur Jaringan,  Departemen Agronomi dan Hortikultura,  Institut  Pertanian  Bogor.  Penelitian  ini  disusun dalam  rancangan  acak  lengkap  dua faktor. Faktor pertama adalah konsentrasi PEG  terdiri atas  0, 5, 10, dan 15%.  Faktor kedua adalah nomor terung terdiri atas enam belas nomor (Kania F1, 001, 007, 013, 016, 030, 034, 035, 055, 057, 069,  071,  072,  078,  085,  dan  090).  Hasil  penelitian menunjukkan  bahwa  penambahan  PEG  pada media  in  vitro  memberikan pengaruh  nyata  dan  sangat  nyata  terhadap  persentase  hidup eksplan, persentase  eksplan  berkalus,  pertambahan  tinggi  tunas,  dan jumlah  daun  tanaman  terung.  Media PEG 10 dan 15% merupakan media yang dapat digunakan untuk seleksi kekeringan tanaman terung in vitro. Nomor terung Kania F1, 001, 007, 016, 034, 035, 055, 057, 069, 071, 072, 078, 085, dan 090 merupakan nomor-nomor terung yang toleran terhadap cekaman kekeringan.Kata kunci: kultur jaringan, seleksi in vitro, solanaceae, toleran kekeringan
POLA KEMAJUAN SELEKSI PADA CABAI RAWIT SPESIES CAPSICUM ANNUUM L. ,, Rosminah; Maharijaya, Awang; Syukur, dan Muhamad
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 1 (2019): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (560.577 KB) | DOI: 10.24831/jai.v47i1.21922

Abstract

Improvement of chilli?s quantitative traits requires several stages of breeding program, one of these is selection stage. The objective of this study was to obtain the information concerning the means and ranges of some quantitative characters, inbreeding depression, heritability estimates, and response to selection from six generations derived from crossing two parents of chili peppers. Materials used were IPB C160 (female), IPB C291 (male) as parents, F2, F3, F4, F5, and F6 derived from crossing of these parents with a total number of 630 plants. Results from this study showed that the mean valuesbetween the generations F2 to F6 showed an increase in the observed character except of harvesting time. The highest value of inbreeding depression for harvest time, weight per fruit, and fruit length was found in F5 generation. The highest value of inbreeding depression for fruit weight per plant, number of fruit per plant, and fruit weight was found in F6 generation, and for fruit diameter was found in F4 generation. The narrow-sense heritability estimates were classified into low to moderate criteria. In general, declined responses to selection for quantitative characters in the six generations of chili were observed.Keywords: advance selection, heritability, inbreeding depression, means value