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Gas Exchange Parameters, Fruit Yield, Quality, and Nutrient Status in Tomato Are Stimulated by ZnO Nanoparticles of Modified Surface and Morphology and Their Application Form
Journal of Soil Science and Plant Nutrition ( IF 3.9 ) Pub Date : 2021-01-25 , DOI: 10.1007/s42729-021-00416-0
Eneida Adilene Pérez-Velasco , Luis Alonso Valdez-Aguilar , Rebeca Betancourt-Galindo , Javier Martínez-Juárez , Samuel Alejandro Lozano-Morales , José Antonio González-Fuentes

Nanoparticles (NPs) of ZnO are reported to enhance plant growth; however, during NPs syntheses, they tend to agglomerate, affecting their dispersion. Agglomeration can be counteracted if NPs surface is modified and/or they have the appropriate morphology. The objective of the present study was to assess the effects of the morphology, the surface modification, and the way of application of NPs-ZnO on tomato. Two NPs-ZnO morphologies (spherical or hexagonal) whose surface was modified with maltodextrine (MDX) or not, and applied to tomato plants via foliar sprays or drench at 1500 ppm were assessed. Hexagonal and spherical NPs increased plant growth, and fruit yield, quality and nutrient status, and gas exchange parameters. Fruit P, K, Ca, Mg, Mn, and Si were higher when hexagonal NPs-ZnO modified with MDX were applied by drench; however, Zn was higher when spherical or hexagonal no surface modified NPs were applied. The morphology of NPs, alone or combined with foliar or drench applications, did not affect fruit yield or quality. MDX applied alone increased fruit yield and quality. Nanoparticles of ZnO increased growth and yield, although spherical or hexagonal NPs produced similar results. Hexagonal nanoparticles applied by drench increased biomass when their surface was modified with MDX; however, even though fruit yield was not affected, drench applications of MDX-modified hexagonal NPs resulted favorable for macronutrient and Mn and Si status in the fruits. MDX had a biostimulant effect as it increased yield, quality of fruits, photosynthesis, transpiration, and nutrients status in fruits.



中文翻译:

修饰表面和形态的ZnO纳米粒子刺激番茄的气体交换参数,水果产量,品质和营养状况及其应用形式

据报道,ZnO的纳米颗粒(NPs)可以促进植物生长。但是,在NP合成过程中,它们趋于凝聚,从而影响其分散性。如果NP的表面被修饰和/或具有适当的形态,则可以防止团聚。本研究的目的是评估形态,表面修饰以及NPs-ZnO在番茄上的施用方式。评估了两种NPs-ZnO形态(球形或六边形),其表面是否用麦芽糊精(MDX)改性,并通过叶面喷洒或以1500 ppm的湿度施用于番茄。六角形和球形NP可以增加植物的生长,提高果实的产量,品质和营养状况以及气体交换参数。淋施MDX改性的六角形NPs-ZnO时,果实P,K,Ca,Mg,Mn和Si较高; 然而,当使用球形或六角形未表面改性的NP时,Zn较高。单独或与叶面或淋湿组合使用的NP形态不影响果实的产量或品质。单独施用MDX可提高果实产量和品质。ZnO纳米颗粒增加了生长和产量,尽管球形或六角形NP产生了相似的结果。当用MDX改性表面时,通过浸湿施用的六角形纳米颗粒会增加生物量。然而,尽管不影响果实产量,但通过透水施用MDX修饰的六角形NP仍有利于果实中的大量营养素和Mn和Si状况。MDX具有生物刺激作用,因为它提高了水果的产量,品质,光合作用,蒸腾作用和营养状态。单独或与叶面或淋湿组合使用的NP形态不影响果实的产量或品质。单独施用MDX可提高果实产量和品质。ZnO纳米颗粒增加了生长和产量,尽管球形或六角形NP产生了相似的结果。当用MDX改性表面时,通过浸湿施用的六角形纳米颗粒会增加生物量。然而,尽管不影响果实产量,但通过透水施用MDX修饰的六角形NP仍有利于果实中的大量营养素和Mn和Si状况。MDX具有生物刺激作用,因为它提高了水果的产量,品质,光合作用,蒸腾作用和营养状态。单独或与叶面或淋湿组合使用的NP形态不影响果实的产量或品质。单独施用MDX可提高果实产量和品质。ZnO纳米颗粒增加了生长和产量,尽管球形或六角形NP产生了相似的结果。当用MDX改性表面时,通过浸湿施用的六角形纳米颗粒会增加生物量。然而,尽管不影响果实产量,但通过透水施用MDX修饰的六角形NP仍有利于果实中的大量营养素和Mn和Si状况。MDX具有生物刺激作用,因为它提高了水果的产量,品质,光合作用,蒸腾作用和营养状态。ZnO纳米颗粒增加了生长和产量,尽管球形或六角形NP产生了相似的结果。当用MDX改性表面时,通过浸湿施用的六角形纳米颗粒会增加生物量。然而,尽管不影响果实产量,但通过透水施用MDX修饰的六角形NP仍有利于果实中的大量营养素和Mn和Si状况。MDX具有生物刺激作用,因为它提高了水果的产量,品质,光合作用,蒸腾作用和营养状态。ZnO纳米颗粒增加了生长和产量,尽管球形或六角形NP产生了相似的结果。当用MDX改性表面时,通过浸湿施用的六角形纳米颗粒会增加生物量。然而,尽管不影响果实产量,但通过透水施用MDX修饰的六角形NP仍有利于果实中的大量营养素和Mn和Si状况。MDX具有生物刺激作用,因为它提高了水果的产量,品质,光合作用,蒸腾作用和营养状态。MDX修饰的六角形NP的透湿应用有利于水果中的大量营养素和Mn和Si状况。MDX具有生物刺激作用,因为它提高了水果的产量,品质,光合作用,蒸腾作用和营养状态。MDX修饰的六角形NP的透湿应用有利于水果中的大量营养素和Mn和Si状况。MDX具有生物刺激作用,因为它提高了水果的产量,品质,光合作用,蒸腾作用和营养状态。

更新日期:2021-01-25
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