Grafting rootstock for improving growth vigor and resistance of passion fruit and its cultivation method and application

Abstract

The application provides a grafted rootstock for improving growth and resistance of passion fruit, and a cultivation method and application thereof, and belongs to the technical field of agricultural planting. The application takes Passiflora edulis and golden passion fruit as parents, cross-breeds the parents to obtain F1 generation, propagates the F1 generation plants by cuttage to obtain different hybrid F1 generation single plant cuttage seedlings, and tests the growth and resistance; selects the cuttage seedlings with good growth and resistance for cultivation, cross-breeds the F1 generation cuttage seedlings with passion fruit to obtain F2 generation, propagates the F2 generation plants by cuttage to obtain different hybrid F2 generation single plant cuttage seedlings, and tests the growth, resistance and affinity, and finally selects the grafted rootstock with good growth, resistance and affinity. The passion fruit grafted by the rootstock has high survival rate, fast growth speed, strong disease resistance, early flowering and fruit setting, large fruit and high juice fullness.

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