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Effect of nitrogen, phosphorus, potash and sulphur present in mid-ribs, growing points and leaf blades of sugarcane genotypes on the incidence of top borer, Scirpophaga excerptalis Walker (Lepidoptera: Pyralidae): V


, : Effect of nitrogen, phosphorus, potash and sulphur present in mid-ribs, growing points and leaf blades of sugarcane genotypes on the incidence of top borer, Scirpophaga excerptalis Walker (Lepidoptera: Pyralidae): V. Indian Sugar 45(9): 671-682

Studies were conducted to determine the role of nitrogen, phosphorus, potassium and sulfur present in the mid-ribs, growing points and leaf blades of 30 sugarcane genotypes/varieties comprising of four different groups (viz., least susceptible, moderately susceptible, susceptible and highly susceptible) in increasing/or decreasing the incidence of sugarcane top borer, Scirpophaga excerptalis.


Accession: 002815428

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Related references

Chaudhary, J.P.; Yadav, S.R., 1998: Effect of moisture and dry matter contents present in the mid-ribs, growing points and leaf blades of sugarcane genotypes on the incidence of top borer, Scirpophaga excerptalis Walker (Lepidoptera: Pyralidae). Moisture and dry matter contents of leaf blades, mid-ribs and growing points were examined in 30 sugarcane genotypes of known susceptibility to S. excerptalis. The experiment was conducted at Haryana Agricultural University, Regional Research Stat...

Chaudhary, J.P.; Yadav, S.R., 1996: Effect of total sugar and reducing sugars present in the mid-ribs, growing points and leaf blades of sugarcane genotypes on incidence of top borer, (Scirpophaga excerptalis Walker, Lepidoptera: Pyralidae (VI)). The levels of total sugar and reducing sugars present in the mid-ribs, growing points and leaf blades of different sugarcane genotypes were examined against incidence of sugarcane top borer, Scirpophaga excerptalis. It was shown previously that re...

Chaudhary, J.P.; Yadav, S.R., 1998: Effect of different levels of cellulose, lignin, silica and ash contents available in mid-ribs, growing points and leaf blades of sugarcane genotypes on incidence of top borer, Scirpophaga excerptalis Walker (Lepidoptera: Pyralidae)-VIII. Variation in plant biochemistry between different varieties of the same or different species are reported to cause variation in levels of susceptibilities to certain species of insect pests. A study into the relationship between incidence of top b...

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Chaudhary, J.P.; Yadav, S.R., 1995: Screening of sugarcane genotypes for the incidence of sugarcane top borer, Scirpophaga excerptalis Walker (Lepidoptera: Pyralidae) under natural infestation conditions. I. Some 210 Saccharum officinarum genotypes were screened for resistance to Scirpophaga excerptalis in trials conducted at Uchani, Karnal, India, during 1984-85. Incidence of top borer, as the percentage of shoots damaged, from the 2nd to 5th broods...

Chaudhary, J.P.; Yadav, S.R., 1995: Screening of promising sugarcane genotypes against top borer Scirpophaga excerptalis Walker (Lepidoptera: Pyralidae) under semi-natural conditions - II. Thirty sugarcane genotypes were screened under seminatural conditions for resistance to Scirpophaga excerptalis during 1985-86 in Haryana, India. Under natural conditions, 6 genotypes were highly resistant, 4 resistant, 4 moderately resistant, 5 m...

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