Protein hydrolysate-based biostimulant improves yield and fruit quality of greenhouse fresh tomato

被引:2
作者
Rouphael, Y. [1 ]
Colla, G. [2 ]
De Pascale, S. [1 ]
机构
[1] Univ Naples Federico II, Dept Agr Sci, I-80055 Portici, Italy
[2] Univ Tuscia, Dept Agr & Forestry Sci, Via San Camillo De Lellis Snc, I-01100 Viterbo, Italy
来源
XXX INTERNATIONAL HORTICULTURAL CONGRESS IHC2018: III INTERNATIONAL SYMPOSIUM ON INNOVATION AND NEW TECHNOLOGIES IN PROTECTED CULTIVATION | 2020年 / 1271卷
关键词
foliar spraying; free amino acids; lycopene; peptides; Solanum lycopersicum L; yield components; FOLIAR APPLICATIONS; PLANT; EXTRACTION; GROWTH;
D O I
10.17660/ActaHortic.2020.1271.46
中图分类号
S3 [农学(农艺学)];
学科分类号
0901 ;
摘要
The use of natural plant biostimulants has been proposed as one of the most promising and innovative approach to address the challenges to sustainable greenhouse horticulture, to ensure optimal nutrient uptake and crop yield. Very limited information are available concerning the effect of natural biostimulants on yield and quality attributes of vegetables. Accordingly, it is in the best interest of growers, extension specialists and scientists to elucidate how biostimulant applications can modulate quality and yield of greenhouse vegetables. A greenhouse experiment were carried out to assess the crop productivity and fruit quality traits of tomato (Solanum lycopersicum L.) in relation to foliar protein hydrolysate-based biostimulant applications (untreated or treated at a concentration of 3 mL L-1). Foliar application of the protein hydrolysate-based biostimulant enhanced marketable yield and mean fruit weight by 15.4 and 19.8%, respectively compared to untreated tomato plants, with no significant effect on the fruit number. Similarly to crop performance, the foliar application of protein hydrolysate incurred a significant increase in total soluble solids, total ascorbic acid and by 10.2, 22.9 and 37.5%, respectively compared to untreated tomato plants.
引用
收藏
页码:335 / 341
页数:7
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