Biochemical differences in some forage sorghum varieties in relation to Pyrilla perpusilla Walker infestation

S. Singh; Y. Luthra; U. Joshi

doi:10.1556/aphyt.42.2007.1.3

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Acta Phytopathologica et Entomologica Hungarica

Volume/Issue:: Volume 42: Issue 1

Biochemical differences in some forage sorghum varieties in relation to Pyrilla perpusilla Walker infestation

Authors:

S. Singh

S. Singh CCS Haryana Agricultural University Department of Entomology Hisar 125 004 India

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Y. Luthra

Y. Luthra CCS Haryana Agricultural University Department of Plant Breeding Hisar 125 004 India

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U. Joshi

U. Joshi CCS Haryana Agricultural University Department of Plant Breeding Hisar 125 004 India

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Pages:: 17–23

Online Publication Date:: 31 May 2007

Publication Date:: 01 Jun 2007

Article Category:: Journal Article

DOI:: https://doi.org/10.1556/aphyt.42.2007.1.3

Keywords:: sorghum; structural carbohydrates; non-structural carbohydrates; tannin; IVDMD

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Assessment of the qualitative losses in different varieties of sorghum following Pyrilla perpusilla Walker infestation revealed the significant decrease in vitro dry matter digestibility of whole plant, leaves and stem by about 6.0, 3.5 and 3.0 per cent, respectively at more than 60 per cent infestation level and was mainly due to the corresponding increase in tannin content. The fibre components (NDF and ADF) were acting as an additional factor in reducing the dry matter digestibility. The dry fodder yield was also reduced by 46 to 53 per cent in different varieties of sorghum with an increase in infestation level from 0 to >60 per cent. The stem of all the varieties was more fibreous than the leaves as it had high content of NDF, ADF, cellulose and lignin. Leaves on the other hand had high amount of protein, total soluble sugars and reducing sugars than stem and were therefore more digestible than stem.

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Acta Phytopathologica et Entomologica Hungarica

Print ISSN:: 0238-1249

Online ISSN:: 1588-2691

Editor-in-Chief

Jenő KONTSCHÁN Centre for Agricultural Research, Hungary

Technical Editor

Ágnes TURÓCI Centre for Agricultural Research, Hungary

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K SALÁNKI Centre for Agricultural Research, Hungary

Editorial Board

Z BOZSÓ Centre for Agricultural Research, Hungary

PE CHETVERIKOV Saint-Petersburg State University, Russia

JX CUI Henan Institute of Science and Technology, China

J FODOR Centre for Agricultural Research, Hungary

Z IMREI Centre for Agricultural Research, Hungary

BM KAYDAN Çukurova University, Turkey

L KISS University of Southern Queensland, Australia

V MARKÓ Hungarian University of Agriculture and Life Sciences, Hungary

MW NEGM Ibaraki University, Japan

L PALKOVICS Széchenyi István University, Hungary

M POGÁNY Centre for Agricultural Research, Hungary

D RÉDEI National Chung Hsing University, Taiwan

A TOLSTIKOV University of Tyumen, Russia

J VUTS Rothamsted Research, UK

GQ WANG Guangxi University, China

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Acta Phytopathologica et Entomologica Hungarica
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