PJB-2021-589
Enhancing Floral Production in Selective Flowering Annuals Through Nutritional Management Practices
Faridullah Khan
Abstract
The pot experiments were conducted at National Agricultural Research Center, Islamabad during 2019-20 to investigate the effect on seasonal flowers (Marigold and Zinnia) by various nutritional practices. The data was recorded for various traits viz., days to bud formation (DBF), days to flower persistence (DFP), days to flower senesces (DFS) and number of flowers per plant (NFP). Analysis showed significant differences among the genotypes, treatments and treatments and genotypes. Average DBF under applications of NPK fertilizers and Grow More + HB101 + Vitafeed (foliar application) were found higher during first year study compared to 2nd year. The most effective treatments of foliar application for DBF of marigold and zinnia were reported as 0.18 g Grow More + 0.18 g HB101 + 0.18 g Vitafeed. In case of manures 75% farm yard manure (FYM) + 25% soil. The higher number of DBF marigold was reported for treatment 20% N + 16% P + 14% K and the same was observed for NFP. Average number of days for flower persistence in marigold and zinnia were found higher under manures application compared with NPK and foliar application. It was also persuaded that higher number of DFP of both plants were reported for treatment 75% leaf compost (LC) + 25% soil. Moreover, the average number of DFS were found higher under manures application as compared with NPK fertilizers and foliar application. It was thus concluded that use of different organic and inorganic chemical fertilizers may be helpful to develop good health, resistant to early flower senescence and large flower size of both marigold and zinnia and this may be helpful to develop such varieties of marigold and zinnia under variable environmental condition.
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