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Rootstock and scion compatibility studies in tomato under protected conditions

The present research was conducted for two cropping seasons (2016-17 and 2017-18) to study the compatibility reaction and to estimate grafting success rate (%) among different solanaceous rootstocks grafted on scion ‘GS-600’ which was horticulturally superior. The experimental material consisted of thirteen different rootstocks in a Randomized block design (RDB) having three replications. Different rootstocks viz., Hawaii-7998, Hawaii7996, LS-89, Green Gourd, Back Attack, Palam Pink, Palam Pride, VI-34845, VI-45376, VI-47335, Arka Nidhi, Arka Keshav and Solanum torvum. Grafting success rate (%) was found out by counting number of plants which survived till the end of trial to the number of successful grafts and multiplying with 100. Results revealed that different rootstocks had higher grafting success rate ranging from (92-97.33%). Maximum grafting success rate was found in plants grafted on rootstock Hawaii-7998 during both the years of study as well as in pooled analysis of data. Maximum number of fruits, average fruit weight, marketable yield per plant and marketable yield per square metre was recorded in plants grafted on rootstock Green Gourd. Therefore, it can be concluded that tomato scion ‘GS600’ was found highly compatible for different solanaceous rootstocks and further, these rootstocks can be further used to in obtaining higher survived plants under protected conditions along with higher yields. | Rootstock and scion compatibility studies in tomato under protected conditions