Production and quality of grafted watermelon in saline soil

Abstract

Salinity of soil in arid and semiarid regions is a problem that affects the production and quality of fruit. That’s while we evaluated grafting on watermelon plants as an alternative to reduce the salinity effects. The experimental design was of randomized blocks, three treatments (cultivars Sangria, Summer Flavor 800 and Summer Flavor 840) with three repetitions. The cultivars were evaluated in grafted and ungrafted condition. The rootstock used for grafting was the interspecific hybrid Strong Tosa (C. maxima x C. moschata). In average terms for the three cultivars, grafting increased commercial production, weight, length and diameter of fruits in 160.5%, 36.5%, 12.0% and 7.5%, respectively. Sangria presented the best answer in production with 57.1 t ha-1, weight 5.8 kg, length 35.0 cm and diameter 17.8 cm of fruits. Also, grafting favored in 6.3% the luminosity and reduced 6.4% Hue angle. Summer Flavor 840 showed the best result in luminosity with 48.3 and hue angle 26.4°. Firmness, °Brix and lycopene content were not modified by grafting. Grafting represents an alternative for watermelon production in saline soils, improving yield and quality of the fruits.

Rootstock-Mediated Genetic Variance in Cadmium Uptake by Juvenile Cacao (Theobroma cacao L.) Genotypes, and Its Effect on Growth and Physiology

“…Grafting is an ancient technique used to propagate plants vegetatively by combining desirable agronomic traits of the rootstock with those of the scion. It has been used in several plant species targeting a wide spectrum of traits, for instance, resistance to pathogens ( Boughalleb et al, 2007 ; Rivard and Louws, 2008 ; Spanò et al, 2020 ); tolerance to abiotic stress factors, such as water deficit, ( Liu et al, 2016 ), heavy metals ( Rouphael et al, 2008 ), and salinity ( Yanyan et al, 2018 ; Suárez-Hernández et al, 2019 ); improved fruit quality ( Davis and Perkins-Veazie, 2005 ); higher yields ( Cardinal et al, 2007 ); and architectural changes in scions ( Eltayb et al, 2014 ). However, breeding rootstocks for tree crops is slower than scion breeding for the same species.…”

Cekaman Garam NaCl danTeknik Aplikasi Azolla pada Tanaman Padi

“…Tanah salin merupakan salah satu contohnya dan salinitas merupakan faktor pembatas abiotik utama dalam menurunkan pertumbuhan dan produksi tanaman. Salinitas tinggi dapat menurunkan produksi tanaman (Temel et al 2016;Alcívar et al 2018;Suárez-Hernández et al 2019), khususnya di daerah kering; menyebabkan ketidaksetimbangan ion/hara, tekanan osmotik, dan oksidatif dalam jaringan tanaman (Zhu 2001); menghambat sintesis pigmen fotosintesis dan proses fotosintesis (El-Ramady et al 2018), serta menurunkan air tanah atau meningkatkan konsentrasi ion dalam jaringan tanaman ke tingkat yang merusak metabolisme (Kalaji & Pietkiewicz 1993).…”

Concentración de nutrientes en hoja y calidad de pepino en plantas injertadas bajo condiciones salinas

“…Al utilizar las especies C. ficifolia y Lagenaria siceraria como portainjertos, estos no modificaron el peso del fruto con respecto a las plantas sin injertar dentro de los ambientes de 30 mM y 60 Mm de NaCl (Huang et al, 2009). Asimismo, un aumento en el peso se debe a una mayor dimensión (longitud y diámetro) del fruto aun en condiciones salinas (Suárez-Hernández et al, 2019).…”

“…Análisis sensoriales han demostrado que la textura en frutos no se modifica al emplear el portainjerto Carnivor (C. maxima x C. moschata) en las variedades de pepino Mirey F1 y Mina F1 (Velkov y Pevicharova, 2016). En frutos de sandía injertada con el portainjerto Strong Tosa (C. maxima x C. moschata) se ha observado que la firmeza del mesocarpio se mantiene sin modificación en suelos altamente salinos (Suárez-Hernández et al 2019).…”