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256242

STUDIES ON THE EFFECT OF SOME GROWTH REGULATORS ON THE INCIDENCE OF LEAF SPOT, ROOT AND POD ROT DISEASES AND YIELD OF PEANUT

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Last updated: 04 Jan 2025

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Abstract

Growth regulators. i.e. Gibberellic acid (GA3' Cicocel (CCC) and Indole
Acetic acid (IAA) reduced the linear growth of Sclerotium rolfsii and Fusarium
moniliforme and the reduction increased as the growth regulators concentration, was
increased, on contrast with Macrophomina phaseolina and Aspergillus nevus.
However, a reduction in sclerotial formation was noticed with all concentrations,
compared with untreated control with M. p < /em>haseolina and S. ro/fsii. A. nevus and F.
moniliforme sporulation decreased as the concentrations of growth regulators
increased and it was fluctuated with some increase at the rate of 1000 ppm of all
tested growth regulators. The growth regulators effect were investigated in field experiments under naturally infection conditions in South·Tahrir, 8ehira Governorate, during two successive seasons, 1999 and 2000. Spraying peanut with growth regulators significantly reduced leaf spots disease compared with untreated control in both successive seasons. The same effect in reducing peanut root rot was noticed as well as yield increase (gram/plant). Indole Acetic acid, Cicocel followed by Gibberellic acid were effective in reducing pod rots, brown lesions (Rhizoctonia solam), pink discoloration (Fusarium moniliforme) and breakdown caused by some soilborne fungi. Generally, IAA was the best in reducing leaf spots. root and pod rots followed by GA3 then CCC which was the least effective one.

DOI

10.21608/jpp.2002.256242

Keywords

growth regulators, leaf spot, Root and pod rots, Peanut

Authors

First Name

M.

Last Name

Khalil,

MiddleName

A. I.

Affiliation

Onion, Garlic & Oil Crops Res. Dis. Dept., Plant Pathology Res. Institute, Agric. Res. Center, Giza, Egypt.

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Volume

27

Article Issue

8

Related Issue

36346

Issue Date

2002-08-01

Receive Date

2002-07-14

Publish Date

2002-08-01

Page Start

5,317

Page End

5,326

Print ISSN

2090-3669

Online ISSN

2090-374X

Article File

JPP_Volume 27_Issue 8_Pages 5317-5326.pdf

PDF . 1.2MB

Link

https://jpp.journals.ekb.eg/article_256242.html

Detail API

https://jpp.journals.ekb.eg/service?article_code=256242

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14

Type

Original Article

Type Code

887

Publication Type

Journal

Publication Title

Journal of Plant Production

Publication Link

https://jpp.journals.ekb.eg/

MainTitle

STUDIES ON THE EFFECT OF SOME GROWTH REGULATORS ON THE INCIDENCE OF LEAF SPOT, ROOT AND POD ROT DISEASES AND YIELD OF PEANUT

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Article

Created At

22 Jan 2023