PHENOLIC CONTENT IN SUGARCANE STEM AS RELATED TO INFESTATION BY COCCOIDS

Article Id: ARCC3081 | Page : 198 - 201
Citation :- PHENOLIC CONTENT IN SUGARCANE STEM AS RELATED TO INFESTATION BY COCCOIDS.Indian Journal Of Agricultural Research.2001.(35):198 - 201
R. Jayanthi and Y.S. Goud
Address : Crop Protection Division Sugarcane Breeding Institute. Coimbatore - 641007, India

Abstract

Two species of Coccoids viz., MeJanaspis gJomerata (G.) (Homoptera: Diaspididae) and Saccharicoccus sacchari (CKII.) (Homoptera: Pseudococcidae) are common stem sucking pests of commercial sugarcane hybrids in India. Studies on the phenolic content of the host stem in selected sugarcane hybrids with known rating to these two pests revealed that two genotypes viz., Q 63 and Co 6501 rated to show ‘Light’ infestation by these pests registered relatively higher quantities of total phenolic content as compared to the other test genotypes rated as showing ‘Heavy’ infestation. It is thus a probability that this can be a factor influencing the severity of infestation by these pests. With respect to Orthodihydric phenols and infestation by these pests no definite trend could be discerned.

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