Evaluation of cashew hybrids for yield contributing traits in the plains of mid land north central laterite agro ecological unit of Kerala
Keywords:
Cashew, Hybrids, Heterosis, bold nut, KeralaAbstract
A study was conducted at Cashew Research Station, Madakkathara, Kerala Agricultural University, to evaluatethe hybrid vigor of 19 cashew hybrids developed during 2003. These hybrids selected from an initial evaluationtrial, resulted from a cross between 11 parents. The hybrids were evaluated along with the parents formorphological, phenological and yield characters for two consecutive seasons. Poornima, the latest releasedvariety of cashew, was used as check. The analysis of results based on mean values on various floweringparameters and yield parameters showed significant variations among the genotypes for all the characters.The highest nut weight and nut yield per tree was observed in the hybrid, H03-21/10. Hybrids, H03-97/2,H03-110/1, H03-36/8, H03-52/5 and H03-21/10 can be considered as high yielders (> 18 Kg/tree/year) withbold sized nuts (>10 g), premium quality kernels (>2.5 g) and high shelling percentage (> 28%). Thesehybrids also exhibited better heterosis in terms of nut weight and kernel weight. The five potential hybridswere identified for replicated yield trials for commercialization in future.References
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