MINERAL PROFILING OF RESISTANCE AND SUSCEPTIBILITY IN CHILLI PEPPER (Capsicum annum L.) AGAINST FUSARIUM WILT DISEASE

Abstract

Fusarium wilt is one of potential threat to the successful production of chill. Present study was conducted to observe alterations in the biochemical profiling of chilli leaves after attack of fusarium wilt. For this purpose seedlings of three resistant (Fengaio, Glaxy-2 and BPVLC14-1) and three susceptible varieties (Amber F1, Tejal and BSS-410) were grown in pots under Randomized Complete block Design. Both types of varieties were divided into two groups (inoculated and un-inoculated). Samples were collected from resistant and susceptible type of varieties from both groups (inoculated and un-inoculated) and were subjected to analysis to observe alterations in the mineral profiling by using Nested structured analysis.in response to Fusarium oxysporum f.sp. capsici. Resistant group showed 45.05% Phosphorus, 2.57 ppm, Potassium, 0.49 ppm Magnesium, 1.48 ppm Calcium (Ca), 0.29 ppm Zinc (Zn), 0.70 ppm Sodium (Na), 2.90 ppm Iron (Fe) and 0.048 ppm Copper while susceptible group showed 38.89, 2.30, 0.43, 1.35, 0.27, 0.56, 2.33 and 0.04 ppm of P, K, Mg, Ca, Zn, Na, Fe and Cu. This experiment showed that resistant varieties expresswd higher mineral contents as compared to susceptible group. Similarly the mineral profile (P, Ca, K, Mg, Zn, Na, Cu and Fe) was greater in un-inoculated lines/varieties (58.58, 2.86, 0.56, 1.63, 0.31, 0.86, 3.71 and 0.056) as compared to inoculated varieties (25.35, 2.01, 0.35, 1.20, 0.25, 0.41, 1.51 and 0.039). These finding are helpful for researchers and scientists not only to develop a strong management strategy toward Fusarium wilt but also supportive to develop biochemical markers to identify source of resistance against Fusarium wilt of chilli.