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All Journal Biosaintifika: Journal of Biology & Biology Education BioEksakta : Jurnal Ilmiah Biologi Unsoed
Abbas, Muachiroh
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Veterinary

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ANTHRACNOSE DISEASE ON VEGETABLES CROPS IN SERANG VILLAGE, DISTRICT OF KARANGREJA, PURBALINGGA REGENCY Sucianto, Eddy Tri; Abbas, Muachiroh; Purwati, Endang Sri
Biosaintifika: Journal of Biology & Biology Education Vol 12, No 1 (2020): April 2020 Article-in-Press
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v12i1.21818

Abstract

Various vegetables are widely cultivated in Serang Village, District of Karangreja, Purbalingga Regency. This village is located at 1350 above sea level. Vegetable productions in Serang are often constrained by the presence of diseases caused by pathogenic fungi Colletotrichum sp. called anthracnose. However, there was no data regarding anthracnose attack in vegetable crops in Serang. This study aimed to find out the types of vegetable that were attacked by anthracnose disease as well as the intensity of the attack in a vegetable crops in Serang Village, Karangreja District, Purbalingga Regency. Vegetables with anthracnose were purposively selected from 10 different locations. The anthracnose disease was identified based on their symptoms and analyzed descriptively. The results showed that five different vegetable crops suffer from anthracnose, and the intensity of anthracnose ranges from 32% up to 52%. Those intensity percentages indicate that large part of vegetable crops in Serang Village was attacked by anthracnose and possibly cause a significant decrease in vegetable production in that village. Our results provide the first scientific data about anthracnose attack in Serang Village. The data is essential for the management of vegetable crops in Serang Village.
Diversity of Pathogenic Fungi and Disease on Vegetable Crops at Polyculture Systems Sucianto, Eddy Tri; Abbas, Muachiroh
Biosaintifika: Journal of Biology & Biology Education Vol 13, No 2 (2021): August 2021
Publisher : Department of Biology, Faculty of Mathematics and Sciences, Semarang State University . Ro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15294/biosaintifika.v13i2.26987

Abstract

Vegetables polyculture system is potentially increasing pathogenic fungi diversity because various plant hosts are available. There is no data about patogenic fungi diversity at polyculture vegetable farming in Serang village, District of Karangreja, Purbalingga Regency. This study aimed to determine patogenic fungal diversity and disease percentage caused by the fungi at polyculture vegetable farming in Serang village, District of Karangreja, Purbalingga Regency. This research used purposive random sampling. Infected plants were collected at ten polyculture farming locations and fungal identification was performed at the laboratory. Fungi were identified morphologically based on the signs, symptoms, as well as macroscopic and microscopic characters. The fungi's pathogenity was determined by applying Koch's postulate test. The data were analyzed descriptively through literature comparison. The results showed that seven fungal species were found at polyculture farms in Serang Village. The obtained fungi were Colletotrichum sp., Fusarium sp., Alternaria sp., Septoria sp., Cercospora sp., Botryodiplodia sp., and Nigrospora sp. The lowest damage was 18.24% on tomato fruit infected by Fusarium sp. and the highest was on chili plants which was caused by Colletotrichum sp. The data is the first report for polycuture system. The obtained data has important implication for the management of vegetables farming in Serang Village.
pemanfaatan ekstrak kulit buah manggis (Garcinia mangostana L.) sebagai pewarna alami jaringan daun dan batang krokot (Portulaca oleracea L.) Yani, Gita Fitri; Abbas, Muachiroh; Samiyarsih, Siti
BioEksakta : Jurnal Ilmiah Biologi Unsoed Vol 2 No 2 (2020): BioEksakta
Publisher : Fakultas Biologi Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.bioe.2020.2.2.2139

Abstract

The dye functions to clarify the plant tissue that will be observed with a microscope, the dye that is commonly used is synthetic dyes that are carcinogenic, the price is expensive and can pollute the environment. Natural dyes are an alternative to synthetic dyes because they are safe, inexpensive and environmentally friendly. natural dye sources obtained from plant parts such as fruit peels. Efforts to use mangosteen rind waste as an herbal remedy can also be used as a natural dye because it has a high enough anthocyanin content. Anthocyanins in mangosteen peel can be obtained through extraction. Maceration is an easy extraction method where the results are only affected by the type of solvent and the extraction time. Purslane (Portulaca oleracea L.) is used as research material because currently purslane has been widely used because of its nutritional content including high metabolic and antioxidant regualting substances. This study aims to determine the ability of mangosteen rind extract in coloring the leaf and stem tissue of purslane, and to determine the type of solvent and optimal immersion time to produce mangosteen rind extract so that it can color the leaf tissue and stems purslane well. The study was conducted experimentally using a Completely Randomized Design (CRD) with 2 factors: factor 1 was the type of solvent using ethanol 96% and citric acid 14%, the second factor was immersion time, namely 26, 27 and 28 hours. The data obtained were analyzed descriptively qualitatively including the contrast and clarity of the preserved tissue preparation of leaf and stem purslane. The results showed mangosteen rind extract has the ability to dye leaf tissue and stems. The type of 14% citric acid solvent with 28 hours soaking time was optimal in producing mangosteen rind extract so that it was able to dye the leaf and stem tissue of purslane.
Uji Viabilitas Polen Tanaman Kedelai (Glycine max (L.) Merril) pada berbagai Lama Penyimpanan Andini, Hastya Tri; Abbas, Muachiroh; kamsinah, Kamsinah
BioEksakta : Jurnal Ilmiah Biologi Unsoed Vol 4 No 1 (2022): Bioeksakta
Publisher : Fakultas Biologi Universitas Jenderal Soedirman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20884/1.bioe.2022.4.1.4595

Abstract

Pollen can be used for plant identification because it has a distinctive structure and ornamentation, besides that it can also be used as a plant breeding agent as a contributor to male parental characters. The character of pollen as parental male is very important in plant breeding. One way to know the quality of pollen is to look at its viability. Pollen viability can be tested by staining method or by germination method. Pollen viability is known to be lost over a certain period of time. The purpose of this study was to determine the effect of storage time on viability of soybean pollen, and to determine the best storage period with the highest viability of soybean pollen. This research was conducted experimentally with a Completely Randomized Design (CRD) consisting of 4 treatments, namely P0, Control. P1, 7 days of storage. P2, 14 days of storage. P3, 21 days of storage. The independent variable is variation in storage time while the dependent variable is pollen viability. The parameters observed were the number of stained pollen, germination capacity, and the length of the germinating pollen tube as evidence that the pollen was viable. The research data obtained were analyzed using Analysis of Variance (ANOVA) with an error rate of 5%, then continued with the BNT test with an error rate of 5%. The results showed that the provision of storage time treatment on soybean pollen had an effect on pollen viability, namely by reducing pollen viability. The best shelf life to get the highest pollen viability in soybean pollen is 0 to 7 days after the sample is taken.
Co-Authors Andini, Hastya Tri Endang Sri Purwati Kamsinah Kamsinah Siti Samiyarsih Sucianto, Eddy Tri Yani, Gita Fitri