A New Calcium Vectoring Technology: Concentration and Distribution of Ca and Agronomic Efficiency in Pepper Plants
2022
Eloy Navarro-León | Francisco Javier López-Moreno | Miguel Angel Fernández | Juan Jesús Maldonado | Jose Yánez | Begoña Blasco | Juan Manuel Ruiz
Calcium (Ca) is an important macronutrient for plants, although its low mobility through the phloem makes more difficult the translocation to growing tissues, including fruits. The blossom end rot (BER) physiopathy occurs mainly in fruits and is associated with water stress, and especially with low Ca levels, which has a very negative effect on the production of many crops. Currently, through the vectoring process, it is possible to increase the transport of immobile elements to the fruits. The objective of this study is to evaluate the effect of BRANDT<sup>®</sup> MANNI-PLEX<sup>®</sup> Ca, which contains Ca with a vector (polyalcohols), provided by the company BRANDT EUROPE S.L. (Carmona, Spain), on Ca accumulation and the production and quality of pepper fruits, both at harvest and post-harvest stage. Pepper plants were grown in a shaded greenhouse and supplied with BRANDT<sup>®</sup> MANNI-PLEX<sup>®</sup> Ca and parameters related to biomass, production, and fruit quality were analyzed. The results showed that the product increased shoot biomass, photosynthesis performance, Ca accumulation and quality of pepper fruits both at harvest and post-harvest, while reducing the incidence of Ca physiopathies by 70%. Therefore, this study proves the BRANDT<sup>®</sup> MANNI-PLEX<sup>®</sup> Ca efficacy in a crop with a high incidence of Ca physiopathies, such as pepper.
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