Merakati Handayaningsih
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EVALUATION OF GROWTH AND YIELD PERFORMANCE ON INOCULATED CHILI PEPPER HYBRIDS BY CUCUMBER MOSAIC VIRUS Herison, Catur; Handayaningsih, Merakati; Fahrurrozi, Fahrurrozi; Rustikawati, Rustikawati
AGRIVITA, Journal of Agricultural Science Vol 36, No 1 (2014)
Publisher : Faculty of Agriculture University of Brawijaya and Indonesian Agronomic Assossiation

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Abstract

Tolerance cultivar is a best control measure to reduce losses due to virus attack in the field.  Study on growth and yield of new cultivars compared to the commercial ones is an important step in cultivar development whether they will be accepted by farmers or not. The objective of this research was to study growth and yield of new chili pepper hybrids developed for CMV tolerance in comparison to a commercial and similar fruit size one. Twelve new hybrids and one commercial hybrid cultivar Prada, as a control, were evaluated in a completely randomized design with 3 replications. In the greenhouse experiment, H23 and H20 showed better vegetative growth compared to other hybrids and control. Hybrid H17 showed the highest yield followed by H5, H4 and H6.  Keywords.  growth, yield, chili pepper hybrids, CMV tolerance
DNA MARKER-ASSISTED AND MORPHOLOGICAL SELECTION ON BC3 GENOTYPES SHORTCUT THE INTROGRESSION OF CMV TOLERANCE GENES ON CHILI PEPPER Catur Herison; Sri Winarsih; Merakati Handayaningsih; Rustikawati Rustikawati
AGRIVITA, Journal of Agricultural Science Vol 34, No 3 (2012)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v34i3.103

Abstract

Superior hybrid and CMV tolerant cultivar development requires a pair of high heterobeltiosis parents and both of which are CMV tolerant.  Gene introgression has to be accomplished if the tolerance does not exist in the parents. This research was objected to employ DNA markers and morphological traits on identifying the most resemble BC3 CMV tolerant individuals to their recurrent parents to shortcut the backcrossing cycle. This research used fifteen BC3 populations generated from crosses of hybrid parents PBC1354 and PBC378 with tolerant parents of C1024, C1042 and C1043.  The BC3 populations were previously selected for their CMV tolerance and were characterized by RAPD technique and morphological traits. Selection by means of both RAPD marker and morphological traits identified BC3 individuals 99.9% resemble to their recurrent parent. Genotypes B3A24-20, B3A29-13, B3A29-22, B3B12-13, B3B37-9, B3B12-25, B3C16-5, B3C16-16, B3C34-18 99.9% were similar to PBC378, and  B3D11-8, B3D11-17, B3D38-5, B3E12-17, B3E20-22, B3E31-19  were 99.9% similar to PBC1354.   Those genotypes were both similar to their recurrent parent and tolerance to CMV. The employed strategy shortcut CMV tolerance genes introgression through a backcross breeding.
EVALUATION OF GROWTH AND YIELD PERFORMANCE ON INOCULATED CHILI PEPPER HYBRIDS BY CUCUMBER MOSAIC VIRUS Catur Herison; Merakati Handayaningsih; Fahrurrozi Fahrurrozi; Rustikawati Rustikawati
AGRIVITA Journal of Agricultural Science Vol 36, No 1 (2014)
Publisher : Faculty of Agriculture University of Brawijaya in collaboration with PERAGI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.17503/agrivita.v36i1.336

Abstract

Tolerance cultivar is a best control measure to reduce losses due to virus attack in the field.  Study on growth and yield of new cultivars compared to the commercial ones is an important step in cultivar development whether they will be accepted by farmers or not. The objective of this research was to study growth and yield of new chili pepper hybrids developed for CMV tolerance in comparison to a commercial and similar fruit size one. Twelve new hybrids and one commercial hybrid cultivar 'Prada', as a control, were evaluated in a completely randomized design with 3 replications. In the greenhouse experiment, H23 and H20 showed better vegetative growth compared to other hybrids and control. Hybrid H17 showed the highest yield followed by H5, H4 and H6.  Keywords.  growth, yield, chili pepper hybrids, CMV tolerance
Peningkatan Adaptibilitas Gembili (Dioscorea esculenta L.) pada Lahan Pesisir dengan Penambahan Pupuk Amonium Sulfat (ZA) dan Mulsa Organik Herison, Catur; Turmudi, Edhi; Handayaningsih, Merakati; Dewi, Kurnia Herlina
Akta Agrosia Vol 18 No 2 (2015)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

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Abstract

Increasing plant capability to adapt on coastal land is very important aspect in the development alternative carbohydrate source food. The objective of this research is to determine the effect of ZA fertilizer and organic mulch on lesser yam’s adaptability based on its growth and yield. The experiment was conducted with a randomized completely block design arranged in a split plot with 3 replications. As the Main Plot were organic mulch levels, and as the Sub Plot were ZA fertilizer doses. The results showed that there was no interaction effect between ZA fertilizer and organic mulch on either growth or yield of lesser yam. Application of ZA fertilizer up to 200 kg ha improve lesser yam’s adaptability based on their vegetative growth. Organic mulch of rice paddy straw up to the rate of 20 ton ha-1 did not increase growth and yield of lesser yam in coastal sandy land.
Application of Dolomite and P Fertilizers Doses on The Growth and Yield of Edamame Soybean (Glycine max (L.) Merrill in Swampland Anggraini, Septiana; Handayaningsih, Merakati; Haryanti, Yenda; Masdar; Marwanto; Setyowati, Nanik
Akta Agrosia Vol 26 No 1 (2023)
Publisher : Badan Penerbitan Fakultas Pertanian (BPFP), Fakultas Pertanian, Universitas Bengkkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31186/aa.26.1.14-22

Abstract

Pakchoy is a leafy vegetable that is great demand by Indonesians. The increase in population has had a major impact on agricultural land, which has encouraged an urban farming system, using polybags for crop production. The use of soil media in polybags often experiences compaction and lack of nutrients, so it is necessary to modify the composition of the planting media and put additional fertilization. This research was conducted to evaluate the response of pakchoy to local microorganisms based on rice waste and to determine the best composition of growing medium for pakchoy plants. This study used a completely randomized design (CRD) with 2 factors. The first factor was the local microorganism (LMO) doses of rice waste consisted of 4 levels, namely 0 ml, 500 ml, 1000 ml, and 1500 ml per plant. The second factor was the composition of the planting medium (Soil : Sand: Cow Manure) at 4 levels, namely Soil 100%, 1:1:1, 1:1:2, 1:1:3. Data were statistically analyzed with ANOVA at 5% level. Mean separation was tested further with Duncan Multiple Range Test. The results showed that the LMO 0 ml and 500 ml performed higher effects on plant height, number of leaves, plant fresh and dry weight, root fresh and dry weight, and root length compared to the application LMO at 1000 ml and 1500 ml. The highest plant fresh weight was 193.1 g at 0 ml LMO, followed by 160.35 g at 500 ml LMO.   The composition of the planting medium 1:1:1 and 1:1:2 resulted in a higher number of leaves, plant dry weight, and root weight than other treatments. Incorporating a high portion of manure into the pakchoy planting medium was not beneficial. All growth variables and yield were higher compared to the control medium (soil 100%).  Key Words: pakchoy, local microorganism,  planting media