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Fungi Associated with Leucaena Seeds a. their Influence on Germination

Volume 4 No. 3 July – September 1982 / By

M. Satish Chandra Prabhu, P. Venkatasubbaiah, K.M. Safeeulla and H.S. Shettv ABSTRACT Seed health analysis was conducted on 5 different cultivars of Leucaena leucocephala, Twenty-seven different fungal species of both field pathogenic and storage importance were recorded. Fusarium moniliforme, F. oxysporum, F. solani, Verticillium sp., Trichoderma viridae and T. harzianum were among the most important …

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Irrigation Water Management Simulation Model for Lowland Rice Production

Volume 4 No. 2 April – June 1982 / By

M.C. Escalante, H.P. Johnson and C. Anderson ABSTRACT An irrigation water management computer simulation model for lowland rice production was developed using the concept of rotation irrigation. It was designed so that the number of rotation areas and Interval of irrigation could be varied within the program. Input parameters Included maximum irrigable area, variety of …

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Fiber Quality and Recovery of Three Abaca Varieties as Affected by Tuxy Group and Setting Position In Spindle Stripping

Volume 4 No. 2 April – June 1982 / By

Andres L. Alemania, R.M. Santiago and N.M. Gloria ABSTRACT Three abaca varieties (Linawaan, inosa and Laylay) were evaluated for fiber quality and recovery. Except for stretch percentage, Llnawaan variety showed the highest recovery and tensile strength, and the heaviest taxies and dry fiber recovered per stalk. However, Laylay variety produced more fiber of higher grade …

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Effect of Soil Type, Fertilization and Mycorrhizal inoculation on NPK Uptake of Cassava

Volume 4 No. 2 April – June 1982 / By

Angela S. Almendras, Reynaldo E. dela Cruz and lreneo J. Manguiat ABSTRACT The response of cassava (cv. Laken) to NPK fertilization and mycorrhizal inoculation was evaluated through a pot experiment using unsterilized soil (Lipa clay loam and Luislana clay). Application of 45-60-60 and 90-60-60 in Lipa clay loam and Luislane clay, respectively, resulted in significantly …

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Relationship of Target Language Communication Strategies to Comprehensibility of Oral Narrations

Volume 4 No. 2 April – June 1982 / By

Justiniano L. Seroy ABSTRACT The students’ oral narrations on 3 picture stories were tape-recorded. Background questionnaires were administered to the students, and the comprehensibility of the English oral narrations were evaluated by 18 selected judges. Analysis of the data revealed that a) the students widely employed communication strategies in their oral narrations; b) the mean …

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Perceived Information Needs in Corn Production of Farm Management Technicians in Leyte

Volume 4 No. 2 April – June 1982 / By

BeniIda S. Pestilos and Monina M. Escalada ABSTRACT The Farm Management Technicians involved In Maisagana or corn production program in Leyte who served as respondents had ages ranging from 22 to 41 years with a mean age of 28.9. Majority were males and married. All of them completed a bachelor’s degree, one-half of whom majored …

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Morphological and Agronomic Traits Associated With Yield Performance of Sweet Potato

Volume 4 No. 2 April – June 1982 / By

Jose L. Bacusmo and A. L. Carpena ABSTRACT Leaf area index, crop growth rate, leaf angle of young leaves, internode length, number of roots per plant and mean root weight showed a positive correlation with root yield. Specific leaf weights, net assimilation rate at 30 and 60 days after planting and moisture content showed negative …

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Effect of Fly Ash on the Growth ba and Yield of Sweet Potato

Volume 4 No. 2 April – June 1982 / By

Luz A. Devaras, Rodolfo G. Escalada and Bernadette F. Quirol ABSTRACT Fly ash application at the rate of 5 t/ha enhanced early our bulking, resulting in the development of more tubers per plant of sweet potato. Application of higher levels of fly ash did not increase its tuber yield but promoted the vegetative growth of …

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Determination of the Nature of Tetraploidy in Cassava Through Meiotic Analysis

Volume 4 No. 2 April – June 1982 / By

Celsa F. Armecin and Azucena L. Carpena ABSTRACT The prevalence of normal bivalent pairing at diakinesis and metaphase I and the high percentage of cells having regular meiosis suggest that cassava (Manihot esculenta Crantz) is an allotetraploid and not an autotetraploid. Based on the results, cassava seems to be a segmental rather than a true …

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Thiobencarb Phytotoxicity to Rice as Affected by Method of Nalphthalic Anhydride Application

Volume 4 No. 2 April – June 1982 / By

Rolinda L. Talatala ABSTRACT The phytotoxicity of thiobencarb (S-4-chlorobenzyl diethylthiocarbamate) to IR-36 and RD-19 rice cultivars using different methods of NA (1. 8-naphthalic anhydride) application was evaluated under greenhouse conditions. IR-36 cultivar showed greater response to the method of NA application than RD-19. Seed treatment with the antidote provided the best protection to IR-36 seedlings. …

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