Vegetables are nutritionally rich, high-valued crops and remunerative enough to replace subsistence farming. However, vegetables are highly sensitive to climatic vagaries and sudden irregularities in weather factors at any phase of crop growth can affect the normal growth, flowering, fruit development and subsequently the yield. Grafting in vegetable has emerged as a promising surgical alternative over relatively slow conventional breeding methods aimed at increasing tolerance to biotic and abiotic stresses. It provides an opportunity to transfer some genetic variations of specific traits of rootstocks to influence the phenotype of scion. Thus, genetic potential of various rootstocks in vegetable crops has proven to be a better alternative to chemical sterilants against many soil-borne diseases. The higher physiological activities like antioxidant content, lipoxygenase activity, osmotic adjustment, membrane selectivity, development of adventitious root and aerenchymatous tissue in plants grafted onto potential rootstocks provide broad insight into stress response mechanisms and thus, grafting is proposed to mitigate the adverse impact of climate change on productivity and quality of vegetables crops.
The economic analysis was conducted for cultivation of parthenocarpic cucumber cv. Dinamik under naturally ventilated polyhouse for two consecutive years, 2013 and 2014. The actual value of economic inputs along with subsidy component (65 and 75%) imparted by Government of Gujarat in coordination with Government of India was considered for fitting into simulation model. The differences in net realization of Rs. 371642.00 (BCR 1.36) and Rs. 164723.00 (BCR 0.55) for the years 2013 and 2014, respectively represented maximum dependency on prevailing market selling rate in respective years besides some minor difference in yield component. BCR of 2.03, 0.95 and 2.17, 1.03 could be anticipated by availing 65 and 75% subsidy in each individual year for a crop of short duration, thus opening new avenues for small farmers of the Gujarat, India.
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