Effect of pendimethaline on phosphorous uptake patterns in soybeans (glycine max. (L) merrill) seedlings

Date

10-1979

Degree

Bachelor of Science in Agriculture

Major Course

Major in Agronomy

College

College of Agriculture and Food Science (CAFS)

Adviser/Committee Chair

Beatriz L. Mercado

Abstract

Greenhouse experiments were conducted to study the effects of pendimethalin on P uptake by soybean seedlings using 6 rates of the herbicide and 4 rates of fertilizer (0-8-0) P. Plants treated with 5 different rates of pendimethalin applied to the surface, exhibited short swollen hypocotyl, expanded and chlorotic cotyledons and inhibited root and shoot growth. All these plants wilted and died. Plants treated with pendimethalin at 1.0 kg/ha incorporated in the soil showed the highest amounts of P content while plants treated at the rate of 3.0 kg/ha showed the least amount of phosphorus. Phosphorus content of plants treated at the rate of 3.0 kg/ha and 1.5 kg/ha pendimethalin lower than that of the control. There was a general tendency for P uptake to increase fertilizer rate of 60 kg/ha.

Language

English

Location

UPLB Main Library Special Collections Section (USCS)

Call Number

LG 993.5 1979 A42 S25

Document Type

Thesis

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