Abstract
One of the main stages in the production system of a crop is the production of quality seedlings since it influences the plants' final performance in the field and their production. The study aimed to evaluate different nutrient solutions in the production of Cambuci pepper seedlings. The design used was a complete randomized design, with six treatments corresponding to the nutrient solutions proposed for the pepper crop by Castellane and Araújo, Claudio Roberto, Hoagland, and Arnon, besides the commercial products Plenan® and Biobokashi®, and a control treatment without fertilization, with six replications. The final evaluation was carried out 45 days after sowing. The following variables were analyzed: stem diameter, plant height, leaf dry matter, shoot dry matter, the number of leaves, relative chlorophyll index ("Spad"), and Dickson quality index. The seedlings subjected to the applications of Claudio Roberto and Hoagland and Arnon solutions have the highest heights and number of leaves, the largest stem diameter, shoot dry matter, leaf area, and Dickson quality index with 2.60 and 2.51 mm, 0.54 and 0.62 g, 38.64 and 41.91 cm2, and 0.107; 0.097, respectively. The Hoagland and Arnon nutrient solution provided the best characteristics to produce Cambuci pepper seedlings.
Highlights
The total area with vegetables reproduced by seeds in Brazil represents about 840 thousand hectares, generating approximately 2 million direct jobs, that is, 2.4 jobs ha-1 (ABCSEM, 2014)
The design used was completely randomized, with six treatments corresponding to nutritional solutions proposed for the pepper culture by Castellane and Araújo (1995), a formulation adapted by the Claudio Roberto, University employee, based on that of Castellane and Araújo (1995), Hoagland and Arnon (1950), in addition to the commercial products Plenan® and Biobokashi®, and control without fertilization, with six replications
The following variables were analyzed: stem diameter (SD), plant height (PH), number of final leaves (NL), leaf area (LA), relative chlorophyll index (SPAD index), leaf dry matter (g) (LDM), shoot dry matter (g) (SDM), and Dickson's quality index (DQI)
Summary
The total area with vegetables reproduced by seeds in Brazil represents about 840 thousand hectares, generating approximately 2 million direct jobs, that is, 2.4 jobs ha-1 (ABCSEM, 2014). For the production of quality seedlings, the use of techniques and inputs assists the process and optimizes production costs, reducing expenses and guaranteeing a final product according to the required standards (Santos et al, 2000) Studies such as those by Miqueloni et al (2013) show that the size of the tubes in the production of seedlings had significant importance in the development of seedlings according to their morphological characteristics. The alternative substrate is usually derived from raw materials available close to the cultivation sites (Costa et al, 2013) It may be of vegetable and/or animal origin with emphasis on manure and earthworm humus, as they provide nutrients and have a reduced cost (Diniz et al, 2006). The study aimed to evaluate the influence of different nutritional solutions on Cambuci pepper seedlings production
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