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Inoculation of vesicular asbuscular mycorrhiza (VAM) and NPK fertilization on the growth and yield of sweet potato / by Julio G. Alava

By:

Alava, Julio G [adviser]

Contributor(s):

Aragon, Miguel L [adviser]

Material type: Text

TextLanguage: English Publication details: Muñoz, Nueva Ecija : 1994. Cavite State University- Main Campus,Description: xxiv, 150 pages : illustrations ; 28 cmContent type:

text

Media type:

unmediated

Carrier type:

volume

Subject(s):

DDC classification:

633.492 Al1 1994

Online resources:

Click here to view thesis abstract and table of contents

Abstract: ALAVA, JULIO GATDULA, (institute of Graduate Studies, Central Luzon State University, Munoz, Nueva Ecija, Philippines. INOCULATION OF THREE TYPES OF VESICULAR ARBUSCULAR MYCORRHIZA (VAM) AND NPK FERTILIZATION ON THE GROWTH AND YIELD OF SWEET POTATO. Advisers Dr. Miguel £. Aragon The study involved tua series of experiments conducted in an acid soil (pH of 4.9) at the Don Severino Agricultural College (DSAC), Indang, Cavite. The first and second experiments were done in the greenhouse and field conditions, respectively. In experiment I, the growth and yield performance of three varieties of sweet potato inoculated with different types of vesicular arbuscular mycorrhizal (VAM) fungi were studied and evaluated. Results showed that among the three varieties of sweet potato used, VSP-2 produced the most number of tuberous roots and marketable tubers, the biggest storage root diameter and highest dry weight of tubers. Inoculation of vesicular arbuscular mycorrhiza significantly improved the growth and yield of all plants. Glomus fasciculatus increased significantly the number of tuberous roots as well 3s the number and weight of marketable and non-marketable tubers. The interaction between sweet potato varieties and types of mycorrhizal fungi on the weight of marketable tuber and dry weight of all tuberous roots were significant. Inoculation of G. fasciculatus Significantly increased the growth rate as manifested by increase in length of vine starting from the fourth week after planting (WAP) until the plants were harvested. Increased fresh and dry weights of Vines were observed on plants in ocala text with G.fasciculatus. The field experiment revealed an increase in length of vines, leaf area index (LAI) and weight of marketable tubers or plants inoculated with G.fasciculatus. Likewise, a significant result was also observed on potassium content and total yield as affected by inoculation of VAM fungi.Dry matter yield had significant relationship with NAP yk contents, LAI,and length of vines at maturity. Similarly, dry matter yield established a positive relationship with the number and weight of marketable tubers. Application of 909-460-460 kg af NPE. fartilizer significantly increased the length of vine, LAT, and number and weight of marketable tubers. Results also reveal a significant increase in dry matter yield and total tuber yield on plants fertilized with 90-60-60 kg NPE.

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Item type	Current library	Collection	Call number	Materials specified	URL	Status	Notes	Date due	Barcode
Theses / Manuscripts	Ladislao N. Diwa Memorial Library Theses Section	Non-fiction	633.492 Al1 1994 (Browse shelf(Opens below))		Link to resource	Room use only	T-1614		00002404

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Previous	633.43 M72 1998 Carrot production using manures as fertilizer /	633.491 R61 1987 Demand analysis for irish potato in upland towns of Cavite /	633.491 V66 1983 The Response of two Irish potato varieties to different rates of chicken manure application in the wet season culture /	633.492 Al1 1994 Inoculation of vesicular asbuscular mycorrhiza (VAM) and NPK fertilization on the growth and yield of sweet potato /	633.492 Al8 1983 Intercropping sweet potato with corn and okra /	633.492 C88 1991 Intercropping sweet potato with bush sitao and okra /	633.492 L96 1983 Growth and yield of sweet potato to different kinds of organic fertilizers /	Next

Thesis (D.P. - - Agronomy) Central Luzon State University.

Includes bibliographical references.

ALAVA, JULIO GATDULA, (institute of Graduate Studies, Central Luzon State University, Munoz, Nueva Ecija, Philippines. INOCULATION OF THREE TYPES OF VESICULAR ARBUSCULAR MYCORRHIZA (VAM) AND NPK FERTILIZATION ON THE GROWTH AND YIELD OF SWEET POTATO. Advisers Dr. Miguel £. Aragon

The study involved tua series of experiments conducted in an acid soil (pH of 4.9) at the Don Severino Agricultural College (DSAC), Indang, Cavite. The first and second experiments were done in the greenhouse and field conditions, respectively.

In experiment I, the growth and yield performance of three varieties of sweet potato inoculated with different types of vesicular arbuscular mycorrhizal (VAM) fungi were
studied and evaluated.

Results showed that among the three varieties of sweet potato used, VSP-2 produced the most number of tuberous roots and marketable tubers, the biggest storage root diameter and highest dry weight of tubers. Inoculation of vesicular arbuscular mycorrhiza significantly improved the growth and yield of all plants. Glomus fasciculatus increased significantly the number of tuberous roots as well 3s the number and weight of marketable and non-marketable tubers.

The interaction between sweet potato varieties and types of mycorrhizal fungi on the weight of marketable tuber and dry weight of all tuberous roots were significant. Inoculation of G. fasciculatus Significantly increased the growth rate as manifested by increase in length of vine starting from the fourth week after planting (WAP) until the plants were harvested. Increased fresh and dry weights of Vines were observed on plants in ocala text with G.fasciculatus.

The field experiment revealed an increase in length of vines, leaf area index (LAI) and weight of marketable tubers or plants inoculated with G.fasciculatus. Likewise,
a significant result was also observed on potassium content and total yield as affected by inoculation of VAM fungi.Dry matter yield had significant relationship with NAP yk contents, LAI,and length of vines at maturity. Similarly, dry matter yield established a positive relationship with the number and weight of marketable tubers.

Application of 909-460-460 kg af NPE. fartilizer significantly increased the length of vine, LAT, and number and weight of marketable tubers. Results also reveal a significant increase in dry matter yield and total tuber yield on plants fertilized with 90-60-60 kg NPE.

Submitted to the University Library 06/30/1994 T-1614