The effect of 1,8-naphthalic anhydride and depth of seeding on rice tolerance to herbicides in greenhouse tests

Maxima O. Mabbayad, K. Moody, A. W. Ruscoe

Research output: Contribution to journalArticle

Abstract

In greenhouse tests both butachlor and thiobencarb injured the rice (Oryza sativa L.) cultivars IR36 and Salumpikit. Depth of seeding altered the tolerance of both cultivars to the herbicides. Planting IR36 3 cm deep and Salumpikit 4 cm deep protected them from herbicide damage. Planting deeper than 4 cm generally resulted in smaller and lighter plants. Seed treatment with 1,8-naphthalic anhydride (NA) at 1% w/w further reduced the phytotoxic effect of the herbicides, especially at shallower planting depths. The plants from the NA-treated seeds were taller and heavier than those from the untreated seeds.

Original languageEnglish
Pages (from-to)195-200
Number of pages6
JournalCrop Protection
Volume4
Issue number2
DOIs
Publication statusPublished - 1 Jan 1985
Externally publishedYes

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