Legume Research

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Legume Research, volume 27 issue 2 (june 2007) :

INFLUENCE OF SOWING DATES, SPACING AND VARIETIES ON THE INCIDENCE OF HELLCOVERPA ARMLGERA (HUBNER) IN CHICKPEA IN NORTHERN ORISSA

Patnaik H.P.
1Regional Research and Technology Transfer Station, Orissa University of Agriculture and Technology, Keonjhar -758002. India

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Cite article:- H.P. Patnaik (2024). INFLUENCE OF SOWING DATES, SPACING AND VARIETIES ON THE INCIDENCE OF HELLCOVERPA ARMLGERA (HUBNER) IN CHICKPEA IN NORTHERN ORISSA. Legume Research. 27(2): . doi: .

ABSTRACT

The effect of sowing dates, spacing and varieties on the incidence of gram pod borer, Helicoverpa armigera (Hubner), was evaluated studied in the chickpea ecosystem of north central plateau zone of Orissa (Keonjhar). The studies revealed that the extent of pod damage and the grain yield in chickpea were mostly influenced by sowing dates and irrespective of varieties. The November 30 sown crop yielded high (> 15 q/ha) despite the high pod damage (15.7%) by the borer species. The podding ability in chickpea varieties also varied with sowing dates and exhibited a definite trend with pod damage. The pod damage estimated at harvest irrespective of sowing dates and spacing did not vary much in varieties viz., Annigeri-l, K 850 and H 208 which sustained 10.2,10.4 and 9.4% pod damage, respectively. However, from the point of view of yield and borer damage October 30 was considered as the optimum sowing date under the north central plateau agro-c1imatic conditions of Orissa.

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