Cumulative studies on the micronutrients of soybean (Glycine max) genotypes in response to charcoal rot incidence

Soybean being a short duration legume crop it is an ideal for various intercropping as well as sequential cropping system. Despite being one of the most economical source of protein and packed with several nutraceutical components, soybean does suffer from shortfalls that limit its utilization in food uses. Given the fluctuating production of soybean in the recent years due to several biotic and abiotic stresses, it has become important to breeding for quality traits in tandem with overcoming other biotic/ abiotic stress that affect crop productivity. However, its productions and productivities are challenged by a number of abiotic and biotic (diseases and insects + pests) stresses which ultimately hampers the complete bio-chemical and nutritional content of the crop. Among the biotic challenges, charcoal rot disease is the most serious one. It is caused by fungus Macrophomina phaseolina (Tassi) Goid. a soil borne pathogen. In general, 30-50 % losses occur every year in soybean worldwide and recorded up to 77% in India considering the losses it has become important to have a complete study covering all the spheres of promising genotypes thoroughly. In the present study micronutrient content was evaluated. The lowest calcium content was recorded in the genotype AMS MB 5-18 (73.3 mg/100g) and the highest level was recorded in AMS 475 (90.58 mg/100g) genotype. Highest content of iron was found in AMS MB 5-19 (15.20 mg/100g) and lowest amount was found in JS 335 (8.14 mg/100g). Highest boron was found in JS 93-05 (11.98 mg/100g) and lowest amount was found in AMS MB 5-19 (6.7 mg/100g). Highest zinc content was found in AMS MB 5-19 (4.58mg/100g) and lowest amount was found in AMS 243 (3.62 mg/100g). Highest copper content was found in JS-93-05 (1.93 mg/100g) and lowest amount was found in AMS MB 5-19 (1.3mg/100g). Highest manganese content was found in AMS 38-24 (3.23 mg/100g) and lowest amount was found in AMS 353 and AMS 358 (2.13 mg/100g).