EFFECT OF IRRIGATION TECHNIQUE ON INCIDENCE OF POD ROTS ANb AFLA TOXIGENIC FUNGI IN PEANUT

Document Type : Original Article

Authors

1 Plant Pathology Res Ins., Agric. Res. Center, Giza., Egypt

2 Depanment of Plant Pathology. Faculty of Agriculture, Aln Shams University, Cairo, Egypt

Abstract

Field studies were conducted in ,001 and 2002 10 determine Ihe effect o(
illigalion techniques. which included iffigation systems (furrow and sprinkle) and
Inlerval tre~tments (2. 4. and 6 nays). which applied after three months (rom sowing.
on the incidence of peanut pod rOIS (dry blown lesion. pink discoloration and general
breakdown) and aflatoxiqenic (ungi (Asp < /em>ergillus ttevos and A. psresiticuss. Generally.
alt calegories of peanu pod rot incrdence decreased with sprinkle irrigation system
cornoaruo with (urrow. In(.(ea~i(lg tile irriga!Jon interval perform 10 decrease ooc rol
inCidence as well as the moister percentage of peanut seedS. Pods having general
breakdowo were the mas! category affecled on Int~rval treatment following by dry
brown lesion. while there were no significant eHar;1 On pods hav'lng pink discoloration.
The occvrrence 01 altatoXJgenic lurgi on shells and seeds increased with increasmq
the irrigation interval In the two seasons. The content of aflatoxin in oeaout pods was
correlated with ir\creasiflg the irriQatiofl interval whether sprinkle or furrow system. Six-
day interval with furrow system recorded the highest content of anatoxin In the twO
seasons.
Journal of Plant Production
Volume 29, Issue 4
April 2004
Pages 1813-1822

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