In this section, you will find the growing methods in use, the growing techniques, crop protection, disease control and variety choice of tulips, hyacinths and narcissus.

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7.9 Physiological disorders: “Top flowering” In contrast to normal growth, the uppermost florets bloom before the lower ones. The flower clusters are usually short and stocky. Cause This disorder occurs as a result of not meeting the cultivars cold requirement before housing the plants. The susceptibility to this disorder differs for each cultivar. Prevention - After planting, use the recommended cold period and temperature.