1964
DOI: 10.1111/j.1570-7458.1964.tb02445.x
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THE CONSUMPTION, DIGESTION AND UTILIZATION OF SOLANACEOUS AND NON‐SOLANACEOUS PLANTS BY LARVAE OF THE TOBACCO HORNWORM, PROTOPARCE SEXTA (JOHAN.) (LEPIDOPTERA: SPHINGIDAE)

Abstract: Maxillectomized tobacco hornworms were raised from the beginning to the end of the fourth stadium on the leaves of Taraxacum officinale, Arctium minus and Verbascum thapsus, non‐solanaceous plants which are not fed upon by intact larvae. Intact larvae were similarly raised on the leaves of tomato, potato and Solanum dulcamara. The growth rate, the rate of food intake, the percent digestibility and the gross and net efficiency of the utilization of food for growth were measured on the basis of dry weights. ZUSA… Show more

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Cited by 165 publications
(96 citation statements)
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References 14 publications
(16 reference statements)
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“…This is probably dur to feeding of larvae on supplemented nutrients along with castor leaves. The digestibility is affected by high content of crued fiber deficiency of nutriunts and water in food (Waldbauer, 1964). Similar results of AD as per the age of worms were also reported by Poonia (1978) and Rana et al (1987).…”
Section: Resultssupporting
confidence: 76%
“…This is probably dur to feeding of larvae on supplemented nutrients along with castor leaves. The digestibility is affected by high content of crued fiber deficiency of nutriunts and water in food (Waldbauer, 1964). Similar results of AD as per the age of worms were also reported by Poonia (1978) and Rana et al (1987).…”
Section: Resultssupporting
confidence: 76%
“…The fresh weight of the larvae was recorded at the beginning of the fifth instar. The dry weight of each larva was estimated by using the mean percentage of dry matter of an aliquot of like larvae which had been killed by freezing for a short time and then dried at 100 • C to a constant weight as per method described by [5]. At the end of the larval period.that is, just before mounting, the dry weight of larvae was determined by following the procedure described earlier.…”
Section: Methodsmentioning
confidence: 99%
“…The response of the ladybird to the tested foods was quantified using the following indices (Waldbauer, 1964 …”
Section: Methodsmentioning
confidence: 99%