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| Article Name : | | | HISTOCHEMICAL AND ANATOMICAL STUDY OF HELICOVERPA ARMIGERA ATTACKED AND HEALTHY PIGEON PEA (CAJANUS CAJAN (L.) MILLSP.) PODS | | Author Name : | | | M. Prabhakaran , S. Elumalai | | Publisher : | | | Ashok Yakkaldevi | | Article Series No. : | | | GRT-3280 | | Article URL : | |  | Author Profile View PDF In browser | | Abstract : | | | Pigeon pea or red gram (Cajanus cajan (L.) Millsp.) is one of the major grain legumes of the tropics and subtropics. It is cultivated in an area of 33.5 m ha producing 2.4 million tones of grains and India accounts for 90 percent of the world's output. Though India is a leading producer of pigeon pea, its productivity has not been improved significantly during the last four decades due to its susceptibility to insect pests and narrow genetic base. The histochemical and anatomical investigation reveals how the larva (Helicoverpa armigera) enters the pods and infects it. Moreover it shows the difference between the control pod and the infected pod. In the present study our findings is infected pod have a lot of internal damage and the cells of the cotyledons have become destroyed and the starch grains are also disintegrated. Thus the seeds become disturbed and lose viability. | | Keywords : | | |
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