Abstract
The present field experiment was aimed to evaluate the tolerance level to shoot, fruit borer infestation, and yield traits with 174 brinjal accessions at the University orchard, Department of Vegetable crops, Horticultural College and Research Institute, Tamil Nadu Agricultural University, Coimbatore. Among the evaluated accessions, the Acc- EC 490062, Acc - EC 144139-D and Acc - IC 344646 were identified as the best performers as they showed favorable effects for earliness to flowering and harvest, number of fruits per plant and yield. In addition, they recorded the lowest level of shoot and fruit borer infestation with a high marketable yield. The least incidence of shoot borer (13.97 %) was registered in the accession EC 144139-D, EC 490062 (14.35 %), followed by the accession IC 344646 (15.74 %). Whereas the minimum infestation of fruit borer was recorded by the accessions EC 490062 (13.18 %), EC 144139-D (13.52 %), and IC 344646 (13.67 %). The maximum marketable yield per plant (3.46 kg) was registered by the Acc - EC 490062 followed by Acc - EC 144139-D (3.80 kg) and Acc- IC 344646 (3.64 kg). The genotypes acknowledged in the current investigation can be explored as parents in future crop improvement programmes of brinjal.
Highlights
Vegetable cultivation plays a vital role in making the cropping system more remunerative
The observations were recorded on plant traits viz., plant height and no. of branches, flowering, earliness to flowering and fruit harvest, fruit and yield traits viz., single fruit weight, fruit length, fruit girth, fruit weight, no. of fruits per plant, yield per plant, shoot and fruit borer infestation and marketable yield per plant
The research conducted by Srivastava (2020) revealed that eggplant germplasm had ample genetic variation portrayed through agromorphological characterization
Summary
Vegetable cultivation plays a vital role in making the cropping system more remunerative. There are plenty of reasons, which hinder the production levels of vegetable crops They are, non-availability of suitable cultivars/varieties, high cost of the desirable seed /planting materials, damage of pests and diseases and change of climatic conditions, etc. The nutritional value of brinjal per 100g according to the United States Department of Agriculture (USDA), shows that brinjal fresh weight comprises 0.3 per cent minerals, 0.3 per cent fat, 1.3 per cent fiber, 1.4 per cent protein, 4 per cent of various vitamins and carbohydrates (A and C) and 92.7 percent moisture. It is a good source of potassium, phosphorus, calcium, iron and the vitamin B group. Available literature suggested that brinjal is used as a medicine in different parts of the world for various illnesses (Oladosu, 2021)
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