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Subject: Vegetable Science × Author: Thakur, Vandana × End date: 2022 × Start date: 2020 × Thesis Type: Ph.D ×
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    ThesisItemOpen Access
    Rootstock and scion compatibility studies in pomato
    (palampur, 2022-08-09) Thakur, Vandana; Sharma, Parveen
    The present investigation was carried out to evaluate sixteen different graft combinations of pomato for various growth, yield and quality attributes of tomato and potato of pomato plant during the year 2019-20 and 2020-21. The experiment was conducted at the Experimental Farm, Department of Vegetable Science and Floriculture, CSK Himachal Pradesh Krishi Vishvavidyalaya, Palampur under modified naturally ventilated polyhouse. The experimental material comprising of four tomato scion and four potato rootstock along with two checks one each of tomato and potato was evaluated in Randomized Complete Block Design along with three replications. The data was recorded from five random plants and evaluated for horticultural attributes of tomato and potato of pomato grafts during both years. According to the analysis of variance, the significant variability was observed for tomato and potato horticultural attributes, respectively. High heritability with high genetic advance was observed for most of the yield and their attributing traits of tomato and potato. Correlation and path analysis concluded that fruit yield per square meter with number of fruits per plant, average fruit weight, fruit length and width, while for potato tuber yield per square meter with tuber length and tuber width, number of tuber per plant, average tuber weight may possibly be well thought-out as the pre-eminent selection parameters for developing high yielding combinations for tomato as well as for potato. On the basis of mean performance and economics calculated for sixteen different graft combinations along with two checks, the results demonstrated that Kufri Pukhraj + Avtar, Kufri Pukhraj+ Rakshita, Kufri Pukhraj + Heemsohna, Kufri Jyoti + Avtar and Kufri Khyati + PTH-1 performed best for various growth, yield and quality attributes and both for tomato as well as for potato harvested form pomato grafts. These best five combinations were also recorded with higher net return, gross margin and benefit: cost ratio and found to be most suitable to get maximum profit margins from limited agricultural land holdings