Propagation of Cashew Nut
Cashew being a highly cross pollinated fruit crop, the plantation raised through seedlings does not breed true to type and variation is observed in growth habit and yield.
The seed should be collected from selected mother trees possessing desirable attributes like compect conopy, more branching, a high percentage of flower bearings, a large proportion of bisexual flower, more than 5 fruits per panicle, shorter lowering and fruiting period, bold size nuts etc the fully matured nuts of current season are preferred for sowing: The best period for collection seed nuts is Feb. to April. Seeds are dried in Sun for 3-5 days before sowing.
Seeds are viable upto 4 months. The seeds are soaked in cold water over night before sowing for early germination.
Pits of 13 size are dug in the month of April/May at 8×8 m spacing. Before planting the pits should be filled with well rotten compost Planting is done in the month of -first week of June. 2-3 seeds/pit should be sown. Seeds germinate in about 15-20 days. The newly germinated seedlings should be sprayed with’0.1% carbaryl to control thrips and 1% weeks interval. One good plant should % estimated at one-spot for 10-12 weeks when plant attains a height of .15-20 cm.
Cashew can be propagated by different methods of vegetative propagation. Soft wood grafting is the best method suitable for almost all cashew growing stages in India.