Study of Genetic Improvement and Susceptibility in Relation to the Infestations of the Leaf Roller

One hundred twenty nine extension of sesame with naive (TC-25) and resistance check (SI-250) were secluded under natural plague condition during two ensuing seasons of 2019 and 2020 to identify the beginning of resistance against leaf swell and capsule borer (Antigastra catalaunalis Dup.) at AICRP on oilseeds sesame center of JNKVV, College of Agriculture, Tikamgarh (M.P.). The sesame extension were categorized as well resistant (HR), opposing (R), moderately opposing (MR), susceptible (S) and highly exposed (HS) based on the accruing score (0-9) and grade (1-9) of the individual accsession. Among 131 accession namely., In pooled reasoning, leaf damage ranged from 0.0 to 40.0 against 40.0 and 0.0 per insignificant value on susceptible and opposing checks, Flower damage ranged from 0.0 to 29.6 against 15.85 and 1.3 per insignificant value on susceptible and opposing checks , respectively, while capsules damage categorized from 0.0 to 17.15 per cent against 3.05 and 0.4 % on naive and resistant checks, individually. In pooled study none of the extension were found empty infestation of A. catalaunalis. Based on the accruing scoring ,twenty individual accession that is to say EC-334961-1, Annand local, IS-653-A, NIL-16426, IC-14331, NIC-8282, IS-387, G-13, EC-334955, NIC-8062, G-8, SI-1925, EC-35000, G-19, IS-90, GRT-83138, EC-303423-C, NIC-17362-A, ES-310420, IS-178-C, SI-250 and forty individual accession that is to say S-0481, ES-75, TILO/Hana, EC-335001-A, S-003116, NIC-16114-B, BS-61, EC-164966, KMR-90, EC-335003, IS-722-2-84-I, NIC-17477-I, 43994, Oct.-81, Ec-182832, NIC-8033, G-2, G-6, NIC-9835, IS-77, GRT-8327, S-0619, ES-131-I-84, IC-152485, IS-449, IS-150-3-84, ES-64, IC-30884 ,GRT-8359, S-0281, IS-712, GRT-83128, NIC-16218, KJS-21, NIC-14730, Juland Sahame, SI-1865-1-B, GSM-21, IS-346, S-01159-C, GRT-8336. With resistance check, SI -250 (RC) were ranked as highly opposing and resistance these maybe a possible source of fighting and used in development programs to develop opposing varieties. These germplasm lines maybe exploited in the combination programs for development of the opposing cultivars.

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