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All Journal Jurnal Ilmu Pertanian Pelita Perkebunan jurnal Ilmu Pertanian (Agricultural Science) National Multidisciplinary Sciences
Fakhrusy Zakariyya
Pusat Penelitian Kopi dan Kakao Indonesia
Agriculture, Biological Sciences & Forestry Humanities Civil Engineering, Building, Construction & Architecture Computer Science & IT Education Social Sciences

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Biochemical Changes of Three Cocoa Clones (Theobroma cacao L.) Under Drought Stress Fakhrusy Zakariyya; Didik Indradewa
Jurnal Ilmu Pertanian Vol 3, No 2 (2018): August
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (128.216 KB) | DOI: 10.22146/ipas.37495

Abstract

Drought stress is a serious threat for cocoa production. One of the plant mechanisms to survive from the drought stress is through producing some biochemical compounds. The objective of this research was to know biochemical changes in three cocoa clones during drought stress. The research was conducted at the green house of Indonesian Coffee and Cocoa Research Institute from January – December 2017. The experiment was designed by using Randomized Complete Block Design (RCBD) with 2 factors and with 3 replications. The first factor was clones of scion that consisting KW 641, Sulawesi 1 and ICS 60 which each of its grafted to Scavina 6 clone as rootstock. The second factor was watering intervals which consisting; every 2 days / regularly watering (adequate of water), every 5 days (moderate drought), and every 8 days (severe drought). The result of this research showed that drought stress decreased chlorophyll content, increased hydrogen peroxide content (ROS), increased the activity of superoxide dismutation (SOD), increased ascorbic acid content, increased total phenolic content, and increased proline content. Sulawesi 1 and KW 641 clones showed lower hydrogen peroxide (ROS) content, while chlorophyll content, SOD activity, total phenolic content, ascorbic acid content, and proline content were higher compared with ICS 60 clone. It showed that Sulawesi 1 and KW 641 clones had more drought-resistance compared with ICS 60 clone.
Biochemical Changes of Three Cocoa Clones (Theobroma cacao L.) Under Drought Stress Fakhrusy Zakariyya; Didik Indradewa
Jurnal Ilmu Pertanian Vol 3, No 2 (2018): August
Publisher : Faculty of Agriculture, Universitas Gadjah Mada jointly with PISPI

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ipas.37495

Abstract

Drought stress is a serious threat for cocoa production. One of the plant mechanisms to survive from the drought stress is through producing some biochemical compounds. The objective of this research was to know biochemical changes in three cocoa clones during drought stress. The research was conducted at the green house of Indonesian Coffee and Cocoa Research Institute from January – December 2017. The experiment was designed by using Randomized Complete Block Design (RCBD) with 2 factors and with 3 replications. The first factor was clones of scion that consisting KW 641, Sulawesi 1 and ICS 60 which each of its grafted to Scavina 6 clone as rootstock. The second factor was watering intervals which consisting; every 2 days / regularly watering (adequate of water), every 5 days (moderate drought), and every 8 days (severe drought). The result of this research showed that drought stress decreased chlorophyll content, increased hydrogen peroxide content (ROS), increased the activity of superoxide dismutation (SOD), increased ascorbic acid content, increased total phenolic content, and increased proline content. Sulawesi 1 and KW 641 clones showed lower hydrogen peroxide (ROS) content, while chlorophyll content, SOD activity, total phenolic content, ascorbic acid content, and proline content were higher compared with ICS 60 clone. It showed that Sulawesi 1 and KW 641 clones had more drought-resistance compared with ICS 60 clone.
Aplikasi Trichoderma sp. Terhadap Serangan Phytophthora palmivora Pada Media Tanam Campuran Kulit Buah Kakao Kering Untuk Pembibitan Kakao Anisa Aulia Rahma; Fakhrusy Zakariyya; Gracia Melsiana Aldini
National Multidisciplinary Sciences Vol. 1 No. 2 (2022): Proceeding SEMARTANI 1
Publisher : Universitas Muhammadiyah Jember

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (576.92 KB) | DOI: 10.32528/nms.v1i2.55

Abstract

Kulit kakao kering dapat dimanfaatkan untuk pembibitan kakao dengan cara dikeringkan kemudian dikomposkan. Namun pemanfaatan kulit kakao kering sebagai sumber bahan organik masih terkendala karena adanya inokulum dari patogen Phytohpthora palmivora penyebab busuk buah, hawar daun, dan kanker batang pada kakao. Tujuan penelitian ini yaitu untuk mengetahui pengendalian P. palmivora menggunakan Trichoderma sp. dapat menurunkan inokulum P. palmivora yang ada pada kulit kakao sebagai media pembibitan tanaman kakao. Hasil penelitian menunjukkan bahwa pemberian Trichoderma sp. dapat menekan serangan laju P. palmivora secara in vivo. Pada pembibitan, semakin tinggi dosis Tricoderma sp. yang diaplikasikan semakin rendah serangan P. palmivora. Pemanfaatan kulit kakao kering sebagai media tanam dapat digunakan bersamaan dengan penambahan Trichoderma sp. untuk menghindari resiko serangan P. palmivora.
Relationship between Physiological Characteristic and Bean Quality on Some Cocoa Clones (Theobroma cacao L.) Indah Anita Sari; Fakhrusy Zakariyya; Agung Wahyu Susilo
Pelita Perkebunan (a Coffee and Cocoa Research Journal) Vol 31 No 3 (2015)
Publisher : Indonesian Coffee and Cocoa Research Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22302/iccri.jur.pelitaperkebunan.v31i3.171

Abstract

Photosynthesis is one of the physiological process that influence the bean weight and this process related with the efectiveness of the stomata character and chlorophyll content in the leaves. The research was conducted at Kaliwining Research Station, Indonesian Coffee and Cocoa Research Institute. Design of experiment was randomized complete block design (RCBD) consisted of six clones as treatment were Sulawesi 1, Sulawesi 2, Sca 6, ICS 60, TSH 858, ICCRI 03, PA 300. Each treatment was replicated three times.  Stomata resistance diffusion, tranpiration,the content of chlorophyll a, chlorophyll b, chlorophyll total (a+b), bean number and bean weight were observed. The resuts  of experiment showed that  difference in chlorophyll a, chlorophyll b, chlorophyll total (a+b), stomata resistance diffusion, bean number and bean weight existed within  six clones tested. Transpiration rate did not show the significantly different between six clones tested. Sulawesi 1 showed the highest content of chlorophyll a and  ICS 60 and ICCRI 03 showed higher content of chlorophyll b than the other clones. Chlorophyll a, b and total (a+b) showed positively influence on bean number and bean weight. Transpiration rate had negatively influence to bean number per pod, on the otherhand it showed positively influence to bean weight. Chlorophyll total (a+b) showed high genetic variance (σg2), high phenotypic variance (σf2)  and high estimated value of heritability (H).  The chlorophyll a,b had moderate genetic variance, moderate phenotypic variance and high of estimated value of heritability.  Chlorophyll total (a+b) could be used a selection criteria based on the value of correlation, genetic variance, phenotypic variance and estimated value of heritability would give high opportunity in selection process. 
Co-Authors Agung Wahyu Susilo Anisa Aulia Rahma Didik Indradewa Gracia Melsiana Aldini Indah Anita Sari