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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 5 Documents
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Search results for , issue "Vol 9 No 02 (1993): CORD" : 5 Documents clear
DROUGHT MANAGEMENT OF COCONUT HOLDINGS Dr. D. V. Liyanage
International Coconut Community Journal Vol 9 No 02 (1993): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v9i02.269

Abstract

Prolonged droughts retard growth of coconut palms and reduce production. Current systems of chemical farming in coconut holdings do not mitigate adverse drought effects on palms. They should be replaced with bio‑farming techniques, which will result in improvement of structure, water holding capacity and fertility of the soil, thereby delaying onset of soil moisture stress during dry seasons. With the drought management practices based on mulching bio-farming, soil nutrients are released gradually so that coconut production is sustained at a high level without much fluctuations through‑out the years. Further, that technology is simple and large investments are not necessary, particularly application of the Coconut/Gliricidia model. Cost of production of coconuts is reduced with bio‑farming.
NEEM PRODUCTS AGAINST COCONUT INSECT PESTS S. Sadakathulla
International Coconut Community Journal Vol 9 No 02 (1993): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v9i02.270

Abstract

Three field experiments were conducted to find out the efficacy of neem products against the damage of rhinoceros beetle to coconut palm and termite damage to coconut palm and plaited leaves. The application of cither neem seed powder + sand (1:2) or neem seed kernel powder + sand (1:2) @ 150 g mixture per palm in the bases of three leaf axils in the crown, were found more effective against rhinoceros damage. Spraying of neem oil 5% or neem seed kernel extract 20% from the base and up to, 2 m height on the truck protected the palm from termites. Spraying with copper sulphate 1% and‑then neem oil 5% or copper sulphate 1% and then neem seed kernel extract 20% on plaited coconut leaves was found efficacious in protecting plaited coconut leaves for more than six months even when the plaited leaves were kept on the bare ground having persistent live termite colony throughout the year.
PHYSICOCHEMICAL, FUNCTIONAL AND SENSORY PROPERTIES OF PROTEIN EXTRACTED FROM DESICCATED COCONUT F. Rasyid; P. M. T. Hansen
International Coconut Community Journal Vol 9 No 02 (1993): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v9i02.271

Abstract

Coconut protein (CNP) was extracted from desiccated coconut in 1.0 M sodium chloride (1:15), precipitated by HCI, ultra filtered, and freeze‑dried. The physicochemical, functional, and sensory characteristics of the material were compared with those of soy protein. The composition and chemical analyses included measurements of protein, fat, moisture, carbohydrate, ash, minerals, and amino acids. Other measurements included determination of die contents of sulfhydryl and disulfide groups, hydrophobicity values, and electrophoretic patterns of CNP and soy protein. The bulk density of the protein preparations was also measured. Chemical analyses showed that CNP was comparable in overall composition to the reference soy protein with the exception of high sodium content (4.7%). Amino acid analysis revealed a higher content of arginine and a lower content of aspartic acid and lysine. A test for relatedness among, proteins (S ΔQ) showed very little similarity between the amino acid profiles of the two protein entities. CNP was found to be more hydrophobic than soy protein and contained slightly less sulthydryl and disulfide groups. The disparity in the above values was reflected in dissimilarity in the electrophoretic patterns between CNP and soy protein. CNP exhibited a lower solubility but possessed a similar water binding and a higher lipid absorption capacity than soy protein. Sensory evaluation using crackers prepared with different amounts of the two proteins showed that crackers with added CNP were preferred over crackers with added soy protein. The overall results of this study suggest a potential use of CNP as an alternative protein source to soy protein for use in manufactured foods where solubility is not a critical factor.
SEQUENTIAL COCONUT TODDY (SAP) AND NUT PRODUCTION J.N. MARAVILLA; S.S. MAGAT
International Coconut Community Journal Vol 9 No 02 (1993): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v9i02.272

Abstract

Production schemes, namely sequential, production of coconut sap/toddy and nuts in same spathe/spadix (SCTNP); nut production only (NP) and toddy production only (CTWS) were tested at PCA Davao Research Center, using Laguna Tall for a period of three years. Palms under the CTWS and the SCTNP had more coconut sap yield over the periodic tapping and nut production (3 or 6 month’s duration) in three years of tapping operation. Annual toddy yield in the SCTNP did not differ significantly with the CTWS during the first and third years of tapping. Generally nut yield of palms with SCTNP was about 50% lower than control palms (NP). As compared to palms under NP, copra yield per palm with SCTNP was likewise around 50% lower. Leaf nutrient concentrations of N, P, K. Ca. Mg, Na, Cl, S and B were not significantly affected by toddy‑lapping under the four production schemes. Results clearly showed that the sequential coconut toddy and nut production (SCTNP) is strongly feasible and economically viable to supply both toddy and nuts as farm products by small scale coconut farmers. Compared to the traditional practice of producing nut alone (P 7,500.00 per ha average annual income), SCTNP provides an average net income of P 71,000.00 per ha (P 520.00 per tree), annually.
STUDIES ON HIDARI IRAVA LEAF CONSUMPTION IN RELATION TO WARNING SYSTEM IN THE CONTROL OF THE COCONUT PEST Wily A. Baringbing; Bariyah Baringbing
International Coconut Community Journal Vol 9 No 02 (1993): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v9i02.273

Abstract

Two‑month laboratory and field experiments were carried out to investigate amount of leaflet consumed by the leaf‑eating caterpillar. Hidari irava Moore, during the larval stadium in an effort to determine the right time to control the pest chemically. The experiment was conducted in Pakuwon Experimental Garden, West Java, Indonesia in 1990. A total of 70 larvae of the hesperiid were reared in laboratory. Mature coconut leaflets replaced daily with fresh material. Were cut arid measured for food of the caterpillars in glass containers. Fifty mature hybrid coconuts, Malayan Red Dwarf (MRD) x West African Tall (WAT), were studied to calculate the leaflet weight of each leaf. A leaf was cut from each palm. There were 50 leaves used altogether. Results of the study showed that a single larva, from the second to fifth instars, consumed 13.90 g coconut leaflet. Weight of leaflets per leaf was 2,562.79 g and 66,455.29 g per tree. A population of 18.43 larvae per leaf caused 10% damage to the crown of a palm tree.

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