Agronomic and cytological effects of gamma radiation on winged bean Psophocarpus tetragonolobus (L) DC

Date

4-1982

Degree

Bachelor of Science in Biology

College

College of Arts and Sciences (CAS)

Adviser/Committee Chair

Liwayway M. Engle

Abstract

The winged bean varieties, TPT#1 and UPS 102 were irradiated with gamma rays at 8, 10, 20 and 30 krad. Cytological and agronomic characters were observed. The stimulatory affects of 10 krad dose for UPS 102 as well as its inhibitory effects were revealed. With the increase in dosage, $ germination and plant height decreased and number of branches increased. High irradiation dose also inhibited pod length and decreased the number of pods resulting in an overall decreased in total yield.

Although gamma irradiation had no significant affect on plant height at 12 weeks after sowing it significantly affected height at 7 weeks, % germination at 2 weeks, number of branches, total yield, total number of pods per plant, pod length, mitotic index and % binucleation. Number of nodes per plant at 7 weeks and length of first 10 internodes at 12 weeks after sowing were affected significantly at 5% level.

Location

UPLB Main Library Special Collections Section (USCS)

Call Number

Thesis

Document Type

Thesis

This document is currently not available here.

Share

COinS