cover
Article Per Year (5 Year)
All
Home Page
OAI Link
Editorial Team
Contact
Reviewer
Google Scholar
Contact Name
Mufid Febrianto
Contact Email
mas.mufid@coconutcommunity.org
Phone
+628111885787
Journal Mail Official
journal@coconutcommunity.org
Editorial Address
8th Floor BAPPEBTI Building Jl. Kramat Raya No. 172 Kenari, Senen, Jakarta, Indonesia 10430 Phone +62 21 3100556-557 Fax +62 21 3101007
Location
Kota adm. jakarta pusat,
Dki jakarta
INDONESIA
CORD
Published by International Coconut Community
ISSN : 02151162     EISSN : 27218856     DOI : 10.37833/cord
Core Subject : Science, Agriculture,
Agriculture, Biological Sciences & Forestry Library & Information Science
Aims CORD aims to publish original research results and reviews on research and development. While encouraging those involved in research and developments to disseminate their finding it also assists policy makers and planners to be aware of the latest developments in the sector Scope CORD encompasses a broad range of research topics in animal sciences: seedlings and genetics, farming, harvesting, production, health, biotechnology, and production, socio-economic, and policy.
Arjuna Subject : Ilmu Pertanian dan Biologi (Semua) - Ilmu Pertanian dan Biologi (Lain-Lain)
Articles 390 Documents
 16   17   18   19   20 
IMPORTANT BIOCONTROL TRAITS OF MICROBIAL ANTAGONISTS OF LEAF ROT DISEASE OF COCONUT Alka Gupta
International Coconut Community Journal Vol 19 No 01 (2003): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v19i01.368

Abstract

Leaf rot disease of coconut, which occurs superimposed on root (wilt) disease of coconut in about 65 % of the cases, is an important disease prevalent in Kerala State of India. Colletotrichum gloeosporioides and Exserohilum rostratum are the main fungal pathogens of the disease, which disfigure the leaves and reduce yield substantially. Several biocontrol agents have been identified which reduce the disease development by these fungal pathogens. Pseudomonas spp. exhibit a host of mechanisms, which act in concert to bring about biocontrol activity. Bacillus spp. work mainly through production of antibiotics and other non-volatile metabolites. Mycoparasitism was the main contributing factor for actinomycetes group.
INCIDENCE OF ROOT (WILT) DISEASE IN VARIOUS CROSS COMBINATIONS OF WEST COAST TALL VARIETY OF COCONUT R.V. Nair; P.M. Jacob; M.G. Rajesh; R.J. Thomas
International Coconut Community Journal Vol 19 No 01 (2003): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v19i01.369

Abstract

Root (wilt) disease is a very serious disease of coconut in eight southern districts of Kerala, India. A comprehensive breeding programme – the only practical solution for the management of the disease – was started at Central Plantation Crops Research Institute (CPCRI), Kayangulam during 1987. Coconut seedlings, belonging to five cross combinations with WCT viz. WCT (Inter se), West Coast Tall (WCT) (Self), WCT (Mixed Pollen), Chowghat Green Dwarf (CGD) x WCT and WCT (Open Pollinated) were studied for their incidence of root (wilt) disease. All the seedlings were planted during 1992 except CGD x WCT which was planted during 1991. In the absence of a mass screening technique under artificial conditions, assessment of resistance was based on natural infection. The progenies belonging to various cross combinations of WCT x WCT showed significant variability for incidence of root (wilt) disease. Observations, recorded during September 2002, revealed that the incidence of root (wilt) varied from 53.4 to 55.2 % in WCT x WCT crosses whereas CGD x WCT had 64.5 %. Open pollinated seedlings from healthy mother palms contracted 70 % incidence of the disease. The studies showed superiority of artificially pollinated seedlings (full sibs) over the open pollinated seedlings (half sibs) with regard to their susceptibility to the disease.
INVESTIGATION OF THE FEASIBILITY OF CONSTRUCTING A MAP FOR COCONUT WITH SEVERAL F2 FAMILIES USING COMPUTER-SIMULATED DATA C. K. Bandaranayake
International Coconut Community Journal Vol 19 No 01 (2003): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v19i01.370

Abstract

A computer simulation was performed using RiceSim computer software to explore the practicability of combining several different F2 populations together through JoinMap to mimic the real available coconut mapping populations, and found that it was very successful. JoinMap would be able to map all 16 chromosomes which covered the map length of 1540 cM except for a single marker on chromosome 8. The largest marker interval was 32 cM at the bottom of chromosome 3 and all other markers were evenly distributed along the chromosomes maintaining the space around 12-30 cM between them.
COCONUT LEAF NUTRIENT LEVELS OF BEARING DWARF VARIETIES AND PHYSIOLOGICAL CRITICAL AND ADEQUACY LEVELS IN CROP NUTRITION MANAGEMENT Severino S. Magat, PhD
International Coconut Community Journal Vol 19 No 02 (2003): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v19i02.371

Abstract

An analysis of the leaf nutrient concentrations data of bearing palms (grown in a suitable coastal ecosystem) of three coconut dwarf varieties [Malayan yellow dwarf(MLYD), Catigan green dwarf(CATGD) and Tacunan green dwarf(TACGD)] planted at the designed-genetic blocks of the Zamboanga Research Center, San Ramon, Zamboanga City (Western Mindanao, Philippines), covering the period 1995-1999, was conducted . The variability and trend of each leaf nutrient (N, P, K, Ca, Mg, Na, Cl, S and B) over the years was determined. The critical levels of leaf nutrients are estimated based on the average or normal values of the historical data. An initial general reference guide on the physiological leaf critical levels of dwarfs is presented, as follows (leaf #14, dry matter): 1.70% N: 0.125% P; 0.90% K; 0.38% Ca; 0.26% Mg; ; 0.12% Na, 0.37% Cl; 0.15% S; and 11 ppm B. The implications of knowing the adequacy and critical levels in leaves as an indicator of crop nutrition to optimize the yield potential of dwarf varieties of coconut are discussed.
EFFECT OF MINERAL NUTRITION ON NUT YIELD AND FRUIT COMPOSITION OF MATURE COCONUT PALMS IN THE COASTAL BELT OF WESTERN REGION OF GHANA - PRELIMINARY STUDIES E. Andoh-Mensah; X. Bonneau; B.N. Nuertey; S.K. Dery
International Coconut Community Journal Vol 19 No 02 (2003): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v19i02.372

Abstract

The nut yield and fruit composition of mature (30-40 years old) West African Tall coconut palms were evaluated in seven trials during the first three years (from June 2000 to May 2003) of implementation of a five-year fertilization schedule recommended to the Coconut Sector Development Project (CSDP) for the rehabilitation of old farms in the coastal belt of the Western Region of Ghana. The seven trials are located at Jeway Wharf, Takinta, Ellenda, Nawule, AB Bokazo, Anwia and Edwakpole. Three fertilizer treatments were applied between June 2000 and May 2003. The first two fertilizers were applied in June 2000 and May 2001 at the rate of 0.75kg urea and 2.5kg muriate of potash (MOP) per palm. For the third fertilization, 1 kg MOP only was applied per palm in May 2002. Fertilizer treatment did not affect nut yield in year one of fertilization. But in year two, the fertilized plots gained remarkably 27.7, 20.2, 19.4 and 14.9 nuts per palm at Jeway Wharf, Nawule, Ellenda and Takinta respectively. The remarkable nut gain was further boosted or sustained in year three except at Jeway wharf which lost 9.8 nuts per palm. In economic terms, Ellenda trial broke even on MOP fertilizer investment in year three while Jeway Wharf was close to breaking even. Takinta and Nawule trials made profits of 925 and 1,750 cedis (3.7 and 7 nuts) per palm respectively in year three. For Anwia, AB Bokazo and Edwakpole trials there was no yield response to MOP fertilizer due to P deficiency. Fertilizer treatment in the first two years of fertilization did not influence fruit composition.
INFLUENCE OF DRIP IRRIGATION ON GROWTH AND YIELD OF COD X WCT COCONUT (COCOS NUCIFERA L.) HYBRID R. Dhanapal; H. P. Maheswarappa; P. Subramanian; Ajay Kumar Upadhyay
International Coconut Community Journal Vol 19 No 02 (2003): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v19i02.373

Abstract

A field experiment on drip irrigation for Chowghat Orange Dwarf X West Coast Tall (COD X WCT) coconut hybrid was conducted in laterite soil at Central Plantation Crops Research Institute, Kasaragod (Kerala, India) to study the drip irrigation requirement and its influence on growth and yield. The treatments included were three levels of drip irrigation (at 33, 66 and 100% E0 daily), basin irrigation (100% E0) and rainfed control. The experimental results revealed that annual leaf production and leaf nutrient status of coconut palm was significantly higher in the irrigated treatments compared to the rainfed control. The female flower production and nut yield with 66 per cent of Eo was on par with 100 per cent of Eo through drip and 100 per cent of Eo through basin irrigation and significantly superior compared to drip irrigation at 33 per cent of E0 and rainfed control. Drip irrigation equal to 66 per cent of open pan evaporation (Eo) proved to be the economically efficient method of irrigation with water saving of 34 per cent compared to 100 per cent of Eo through basin and drip method.
LONG-TERM COCONUT LEAF PRUNING (CLP) EFFECTS ON CBFS: COCONUT-COFFEE AGROECOSYSTEM L.H. Canja; S.S. Magat; R.Z. Margate
International Coconut Community Journal Vol 19 No 02 (2003): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v19i02.374

Abstract

A long-term study on the response of ‘Laguna’ tall (LAGT) palms and coffee intercrop to coconut leaf pruning (CLP) was conducted at the PCA-Davao Research Center from 1993 to 2001 to determine the effect of coconut leaf pruning on the productivity of coconut + coffee cropping system. The coconut leaf pruning technique did not significantly affect the yield and nutrition of coconut in all the years of observation. However, lower number of nut and weight of copra per tree were observed on palms with CLP than those without CLP, but with a slight improvement in copra weight per nut. Likewise, CLP did not affect the coffee yield and leaf nutrient levels. Among the coffee varieties tested, the Excelsa had the highest green bean yield. The Robusta (Ivory Coast and Philippine strains) and Arabica had similar yield and crop nutritional status. While they had similar leaf N, K and B contents that were higher than that of Excelsa, they also had lower leaf levels of Ca, Cl and S. Coffee needs, 1,000-3,000 foot-candles of sunlight, which is within the available light transmission (1,750-4,050 foot-candles) under palms with and without CLP. Hence, CLP is not necessary anymore in coconut with coffee intercrop.
ON-FARM PRODUCTION AND PROCESSING OF SELECTED COCONUT SAP-BASED NATURAL AND NUTRITIOUS FOOD PRODUCTS FROM SCTNP SCHEME Millicent I. Secretaria; Raul M. Ebuna; Severino S. Magat, PhD
International Coconut Community Journal Vol 19 No 02 (2003): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v19i02.375

Abstract

The processing of coconut sap produced from the sequential coconut toddy and nut production (SCTNP) scheme was conducted at the Philippine Coconut Authority - Zamboanga Research Center, San Ramon, Zamboanga City from 1997 and 1999-2001 to determine their acceptability to local community members and evaluate their economic profitability. The processing of coconut sap into food products such as fresh sap beverage, coconut syrup, sugar and vinegar involves simple procedures at the farmer’s level. These sap-based food products proved to be highly acceptable in terms of their nutritional and economic values. They are rich in total solids, sugar (sucrose), protein, carbohydrates, phosphorus and amino acids. Coconut-sap sugar contains high amounts of essential elements such as N, P, K, Mg, Cl and S and micronutrients (B, Zn, Fe, Cu) compared to brown cane sugar and refined white sugar(almost without micronutrient). The production of sap beverage, syrup and vinegar showed higher farmer’s net income (PhP14,800 - 9,100/month) and return on investment-ROI (465%-380%) compared to sugar making (PhP 5,900/month, 278% ROI). On-farm production and processing of coconut sap-based food products have both social and economic advantages. This technology offers bigger opportunity for farmers to increase their income and generate employment especially to family members. Likewise, this product diversification scheme can promote multi-uses and competitiveness of the coconut palm.
Coconut hispine beetle Brontispa longissima (Gestro) (Coleoptera: Chrysomelidae) Singh, S. P.; Rethinam, Ponniah
International Coconut Community Journal Vol 20 No 1 (2004): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v20i01.376

Abstract

Coconut hispine beetle, Brontispa longissima (Gestro) was originally described from the Aru Islands (Maluku Province). It is native to Indonesia (Aru Islands, Maluku Province and possibly to Papua Province formerly known as Irian Jaya), and also to Papua New Guinea, including the Bismarck Archipelago, where it seldom causes serious problems. It has now spread widely in Asia, Australasia and Pacific Islands attacking not only coconut palm but also several other cultivated and wild palms. In recent times it has spread to Singapore, Vietnam, Nauru, Thailand, Maldives and Hainan Island (China). In the absence of natural antagonists it has become a very serious and devastating pest in new areas of its spread. It is feared that B. longissima will find its way from Maldives to Sri Lanka and southern parts of India to derail the economy of these important coconut-growing regions of the world. Thus emergency operations are necessary to try to decimate it down in the Maldives. A number of natural enemies such as Hispidophila (Haeckeliania) brontispae Ferriere, Ooncyrtus podontiae Gahan, Trichogrammatoidea nana Zehntner, Tetrastichus brontispae Ferriere, Asecodes hispinarum Boucek, Chrysonotomyia sp., Metarhizium anisopliae (Metchnikoff) Sorokin, Chelisoches morio Fabricius, Oecophylla smaragdina (Fabricious), mites on adults (Anoplocelaeno sp. and Celaenopsis sp.), geckoes, skinks, tree frog and unidentified bacterial pathogen have been recorded. Biological control by introduction and enhancement of parasitoids- A. hispinarum and T. brontispae has proved very effective. Similarly spray of improved strains of entomopathogenic fungus, M. anisopliae has proved effective. Exploratory surveys for parasitoids in the original home of B. longissima are suggested.
FIRST RECORD OF THE INCIDENCE OF THE COCONUT MITE, ACERIA (ERIOPHYES) GUERRERONIS KEIFER IN NIGERIA C.I. Aisagbonhi; R.V. Nair; K.O. Kolade
International Coconut Community Journal Vol 20 No 1 (2004): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v20i01.377

Abstract

In continuation of the search for the causes of premature nutfall of coconut palms in Nigeria, samples of fresh fallen nuts were examined under the microscope. Coconut palms (Chowghot Dwarf green (Indian), Malayian Dwarf yellow and Malayian Dwarf orange were surveyed between May to August 2003. The button stage nuts and premature nuts that recently fell on the ground were picked and conveyed back to the laboratory. The perianth (calyx ends) of each nut were split opened and examined under the microscope for presence of mites. Aceria(Eriophyes)guerreronis population were assessed per nut. All three ecotypes examined were infested. Preliminary observations indicated a mean mite population of 187.94 + 17.92 per nut sampled.Mealybugs (Pseudococcus sp) and some unidentified mites were also observed. The role of these mites in the incidence of premature nutfall of coconut palms is discussed in this paper.

Page 18 of 39 | Total Record : 390

 16   17   18   19   20 

Filter by Year

1985 2025


Reset
Filter By Issues
All Issue Vol 41 (2025): CORD Vol 40 (2024): CORD Vol 39 (2023): CORD Vol 38 (2022): CORD Vol 37 (2021): CORD Vol 36 (2020): CORD Vol 35 No 1 (2019): CORD Vol 34 No 2 (2018): CORD Vol 34 No 1 (2018): CORD Vol 33 No 2 (2017): CORD Vol 33 No 1 (2017): CORD Vol 32 No 2 (2016): CORD Vol 32 No 1 (2016): CORD Vol 31 No 2 (2015): CORD Vol 31 No 1 (2015): CORD Vol 30 No 2 (2014): CORD Vol 30 No 1 (2014): CORD Vol 29 No 2 (2013): CORD Vol 29 No 1 (2013): CORD Vol 28 No 2 (2012): CORD Vol 28 No 1 (2012): CORD Vol 27 No 2 (2011): CORD Vol 27 No 1 (2011): CORD Vol 26 No 2 (2010): CORD Vol 26 No 1 (2010): CORD Vol 25 No 2 (2009): CORD Vol 24 No 1 (2008): CORD Vol 23 No 2 (2007): CORD Vol 22 No 2 (2006): CORD Vol 21 No 2 (2005): CORD Vol 21 No 1 (2005): CORD Vol 20 No 2 (2004): CORD Vol 20 No 1 (2004): CORD Vol 19 No 02 (2003): CORD Vol 19 No 01 (2003): CORD Vol 18 No 02 (2002): CORD Vol 18 No 01 (2002): CORD Vol 17 No 02 (2001): CORD Vol 17 No 01 (2001): CORD Vol 16 No 02 (2000): CORD Vol 16 No 01 (2000): CORD Vol 15 No 02 (1999): CORD Vol 15 No 01 (1999): CORD Vol 14 No 01 (1998): CORD Vol 14 No 2 (1998): CORD Vol 13 No 02 (1997): CORD Vol 13 No 01 (1997): CORD Vol 12 No 02 (1996): CORD Vol 12 No 01 (1996): CORD Vol 11 No 02 (1995): CORD Vol 11 No 01 (1995): CORD Vol 10 No 02 (1994): CORD Vol 10 No 01 (1994): CORD Vol 9 No 02 (1993): CORD Vol 9 No 01 (1993): CORD Vol 8 No 02 (1992): CORD Vol 8 No 01 (1992): CORD Vol 7 No 02 (1991): CORD Vol 7 No 01 (1991): CORD Vol 6 No 02 (1990): CORD Vol 6 No 01 (1990): CORD Vol 5 No 02 (1989): CORD Vol 5 No 01 (1989): CORD Vol 4 No 02 (1988): CORD Vol 4 No 01 (1988): CORD Vol 3 No 02 (1987): CORD Vol 3 No 01 (1987): CORD Vol 2 No 02 (1986): CORD Vol 2 No 01 (1986): CORD Vol 1 No 01 (1985): CORD More Issue