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Giuseppe Colla, Mariateresa Cardarelli, Paolo Bonini, and Youssef Rouphael

, 2017c ). No published data are available concerning the effect of plant-derived biostimulants and SWE on yield, and especially fruit quality, of an important vegetable crop such as fresh-market tomato grown under soil conditions. Understanding how

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Chenping Xu and Beiquan Mou

. Rouphael, Y. Canaguier, R. Svecova, E. Cardarelli, M. 2014 Biostimulant action of a plant-derived protein hydrolysate produced through enzymatic hydrolysis Front. Plant Sci. 5 448 Colla, G. Svecova, E. Rouphael, Y. Cardarelli, M. Reynaud, H. Canaguier, R

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Masoume Amirkhani, Anil N. Netravali, Wencheng Huang, and Alan G. Taylor

development. The specific objective of this research was to determine the effect of a plant-derived biostimulant, soy flour, on coated broccoli seed. Characteristics measured were seed germination, seedling and plant growth, and N content. An added advantage

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Javier Polo, Rubén Barroso, Jesús Ródenas, Joaquín Azcón-Bieto, Rafaela Cáceres, and Oriol Marfà

The effects of different kinds of biotic and abiotic stress on crops can be lessened through exogenous application of different biostimulant products. Although some of these products come from enzymatic hydrolysates derived from animal remains, the literature does not contain references to the use of enzymatic hydrolysates obtained from animal hemoglobin, specifically porcine blood. With the aim of evaluating the effectiveness of a product obtained from the enzymatic hydrolysis of porcine hemoglobin (PHH) as a biostimulant that lessens the effects of thermal stress, two experiments were carried out in which lettuce plants (Lactuca sativa) were subjected to short-term episodes of intense cold and heat. After these episodes, different doses of the PHH product were administered into the growing medium. Moreover, in the heat episode experiment, one group of plants was first subjected to a heat episode and then administered a commercial biostimulant with the aim of comparing its efficacy with the PHH product. The biometric measurements carried out on the lettuce plants several days after being subjected to the episodes of cold and heat and then either administered or not administered the indicated treatments show that at the highest tested dose, the PHH product promoted a reaction that lessened the harmful effects caused by the intense cold and heat treatments.

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Verónica De Luca, Diego Gómez de Barreda, Antonio Lidón, and Cristina Lull

the agricultural uses of plant biostimulants. Specifically, biostimulants have already been positively tested in horticulture. Battacharyya et al. (2015) reviewed the effects of seaweed extracts on vegetable, fruit, and ornamental crops

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in foliage dimensions and in foliar and root biomass following in-ground storage. Fish-derived Protein Hydrolysates Improve Lettuce Performance Protein hydrolysates (PHs) are an important group of plant biostimulants that have received increasing

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Yang Gao and Deying Li

demand of plants. Wind can affect uniformity of foliar application. Foliar fertigation, fertilization through the irrigation system, was found as effective as soil application on bermudagrass ( Cynodon dactylon × C. transvaalensis ) ( Snyder and Burt

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Abdullah Ibrahim, Hesham Abdel-Razzak, Mahmoud Wahb-Allah, Mekhled Alenazi, Abdullah Alsadon, and Yaser Hassan Dewir

more nutritious ( Buczkowska et al., 2014 ; Jadczak et al., 2010 ; Jamiołkowska et al., 2016 ). The use of natural biostimulants ( Mahmood et al., 2017 ; Paradikovic et al., 2011 ), foliar feeding ( Haytova, 2013 ), and plant growth regulators

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Junyang Song

lilies, before flowering, the accumulation of aboveground biomass is partly derived from the bulb. When the plant height remained stable (60 d after planting), it meant that the leaves were able to fully undergo photosynthesis. The continuous decrease in

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José Luis Chaves-Gómez, Alba Marina Cotes-Prado, Sandra Gómez-Caro, and Hermann Restrepo-Díaz

substances of natural origin that can act as biostimulants in plants ( Ab Rahman et al., 2017 ; Mesa et al., 2017 ). One of these substances, chitosan, has been used as an ecofriendly biopesticide because it is biodegradable, nontoxic, and biocompatible