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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 6 Documents
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Search results for , issue "Vol 10 No 01 (1994): CORD" : 6 Documents clear
BENEFICIAL MICROORGANISMS IN THE ROOT REGION SOILS OF COCONUT PALM UNDER DIFFERENT CROPPING SYSTEMS A REVIEW B. M. Bopaiah
International Coconut Community Journal Vol 10 No 01 (1994): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v10i01.274

Abstract

The coconut palm is amenable to intensive crop combinations at most periods of its life and great possibilities exist for increasing the agricultural production through intensive cropping in coconut areas. Coconut palms are grown under diverse soil conditions ranging from littoral sands to clayey soils (Menon and Pandalai, 1960). In pure stand of coconuts at normal planting (7.5 x 7.5 m) density and management conditions, about 75% of the area is not being effectively utilised to the fullest extent by coconut roots (Kushwah et al. 1973). The intensive cropping system involving coconuts are essentially crop combinations which envisage the cultivation of other compatible crops in the interspaces between the palms. Depending upon the duration of additional crops, so grown, the system shall be considered as inter, mixed, multi‑storeyed or multispecies cropping. The crops chosen vary from tract to tract (Nelliat and Shama Bhat, 1979).
HERMAPHRODITISM IN COCONUT COLLECTIONS OF ViSCA, LEYTE, PHILIPPINES T. C. Nunez
International Coconut Community Journal Vol 10 No 01 (1994): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v10i01.275

Abstract

Bisexual button‑like flowers were found in the dwarf cultivars Albuera, Catigan, Coconino, Lingkuranay, Malayan Red, Malayan Yellow and Tacunan as well as in Baybay Tall in varying frequencies. These hermaphro­dites differed in size, possessed varying number of fully developed anthers that contained pollen with 46.4 ‑84.1% fertility. knong the big hermaphrodites, their distinct characteristics are partly exposed ovary at inflorescence opening and earlier stigmatic receptivity compared with the normal buttons.
IDENTIFICATION OF COLLETOTRICHUM GLOEOSPORIOIDES, EXSEROHILUM ROSTRATUM AND GLIOCLADIUM VERMOESENI ASSOCIATED WITH LEAF ROT DISEASE OF COCONUT IN INDIA N. Srinivasan; M. Gunasakeran
International Coconut Community Journal Vol 10 No 01 (1994): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v10i01.276

Abstract

Leaf rot is a common disease predominantly superimposed on root (wilt) affected coconut palms in India. Three fungi implicated in the disease have been found to be Colletotrichum gloeosporioides, Exserohilum Yostratum and Gliocladium vermoeseni. The cultural characters and morphological features of these fungi have been deBcribed. The pathogenic role of these fungi has been confirmed. The three fungi independently induced symptoms leading to leaf rot. E. rostratum developed the disease symptom relatively faster. Pin prick injury in leaf pieces generally favoured the fungi in infection and had pronounced effect for G. vermoeseni.
MANAGEMENT OF TAPERING DISORDER IN COCONUT Kamala Thirumalaiswamy; H. Vijayaraghavan; M.A.J.R. Savery
International Coconut Community Journal Vol 10 No 01 (1994): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v10i01.277

Abstract

The tapering stem wilt of coconut was amply proven to be a physiological disorder, with relevance to physiological and bio chemical investigations of the 14th frond analysis. The experiments, in a rainfed garden, revealed that the occurrence of this malady was mainly due to deficiency of iron, associated with copper and manganese at lower level. The management of this malady was possible by root feeding of micronutrient mixture (Fe+Cu+Mn+B) for two years at six monthly interval. The synergistic effect of Fe, Cu, Mn has indirectly acted on the improvement of tapering disorder, as they are part of metabolic enzymes.
QUASI STATIC MECHANICAL PROPERTIES OF COCONUT SHELL OF DEHUSKED MATURE NUTS E. E. Sudaria; D. C. Suministrado
International Coconut Community Journal Vol 10 No 01 (1994): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v10i01.278

Abstract

The experiment was conducted to determine the (1) cracking, shearing, bending and tensile stresses of coconut shell at different positions of dehusked mature nut; (2) hardness of the coconut shell at different positions of dehusked mature nut; and (3) cracking streBB Of the dehusked mature coconut at different positions. The range values of the parameters under study were as follows: cracking stress of the coconut shell, 3,345, 083.2‑5, 397, 828.3 kg/m2; shearing stress of coconut shell, 574,984.9‑1, 258,830.9 kg/m2; bending stress of the coconut shell, 1,775,213.1‑ 23,463,299.9 kg/m2 , tensile stress of the coconut shell, 61,801.9‑259,003.3 kg/m2, hardness of the coconut shell, 150C51.5-­150C57.6; and the cracking stress of the dehusked mature nut, 280,104.0‑440,277.7 kg/m2. The combined average stresses on bending, shearing, tensile, cracking of coconut shell, and cracking of dehusked mature nut revealed no significant difference on stresses at any positions of the dehusked mature nut. This suggests that nuts could be splitted at any position without significant difference on power expenditure. For the design of the splitter machine, cracking stress of the coconut shell should be viewed very well since this parameter had the highest stress.
VARIABILITY OF SOME MECHANICAL PROPERTIES OF SAN RAMON TALL VARIETY OF COCONUT R. N. Palomar
International Coconut Community Journal Vol 10 No 01 (1994): CORD
Publisher : International Coconut Community

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37833/cord.v10i01.279

Abstract

The natural variation of some strength properties of about 80‑year old brown‑and green‑pigmented San Ramon variety of coconut was investigated. The properties were determined from tests on small clear specimens in the air dry condition with an average moisture content of 16.98%. The mechanical properties studied include modulus of rupture, stress at elastic limit and modulus of elasticity in static bending, maximum crushing strength in compression parallel to grain, stress at elastic limit and in compression perpendicular to grain, and shear parallel to grain. The brown‑pigmented trees showed significantly higher values in all the mechanical properties than the green‑pigmented palms. For the brown‑and green‑pigmented trees, the values of strength properties markedly decreased with increasing height levels and significantly increased radially from the core to the periphery of the stem.

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