volume 20 issue 2 (june 2000) : 110-111
MANAGEMENT OF SUNFLOWER HEAD BORER BY USING BIOINSECTICIDE ALONE AND IN COMBINATION WITH INSECTICIDE
1University of Agricultural Sciences, Dharwad
Regional Research Station, Bijapur-586 101, India
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Agricultural Science Digest
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volume 20 issue 2 (june 2000) : 110-111
MANAGEMENT OF SUNFLOWER HEAD BORER BY USING BIOINSECTICIDE ALONE AND IN COMBINATION WITH INSECTICIDE
1University of Agricultural Sciences, Dharwad
Regional Research Station, Bijapur-586 101, India
ABSTRACT
A field trial was conducted during kbari/1993, to evaluate the efficaql of HaNPV and
Btk alone or in combination with insecticide in the management of sunOC;;wer head bor'!r,
Hel/coflerpa arm/gera (Hubner). The results revealed that, two applications (first given at
button stage of the crop and second 10 days later) of HaNPV @ 500 LE/ha recorded lowest
damage to heads (31.6%) and highest seed yield of 3.1 ~ followed by two applications of
HaNPV @ 250 LE/ha + Btk @ 0.5 kg/ha and two sprays of HaNPV @ 250 LE/ha + endosulfan
35 EC @ 0.5 lit/ha. Two applications of HaNPV @ 250 LE/ha failed to give an appreciable
control.
Btk alone or in combination with insecticide in the management of sunOC;;wer head bor'!r,
Hel/coflerpa arm/gera (Hubner). The results revealed that, two applications (first given at
button stage of the crop and second 10 days later) of HaNPV @ 500 LE/ha recorded lowest
damage to heads (31.6%) and highest seed yield of 3.1 ~ followed by two applications of
HaNPV @ 250 LE/ha + Btk @ 0.5 kg/ha and two sprays of HaNPV @ 250 LE/ha + endosulfan
35 EC @ 0.5 lit/ha. Two applications of HaNPV @ 250 LE/ha failed to give an appreciable
control.
KEYWORDS
REFERENCES
- Balikal, R.A et 01. (1998) Adv. Agric. Res. India. 9 : 43-45.
- BiJjur, S. (1990) M.Sc (AgrO Thesis, University of Agricultural Sciences, Dharwad.
- Biradar, AP. et 01. (1996) Adv. Agric. Res. India,S: 70-74.
- Panchbhavi, KS. et 01. (1977) Indian J. agric. SeL, 47: 519-520.
- Mistry, A et 01. (1994) Indian J. Plant Prot., 12 : 31-33.
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In this Article
APC
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Filling the gap between research and communication ARCC provide Open Access of all journals which empower research community in all the ways which is accessible to all.
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Published In
Agricultural Science Digest