干旱区生态环境知识资源中心(Arid): Salicylic acid and irrigation with water of different cationic compositions on 'Paluma' guava seedlings

Arid

DOI	10.1590/1807-1929/agriambi.v28n10e281106
	Salicylic acid and irrigation with water of different cationic compositions on 'Paluma' guava seedlings
	Vitor, Mateus S.; de Lima, Geovani S.; Soares, Lauriane A. dos A.; de Lacerda, Cassiano N.; da Silva, Saulo S.; de Sa, Valeska K. N. O.; Dias, Adaan S.; Gheyi, Hans R.; Nobrega, Jackson S.
通讯作者	de Lima, GS
来源期刊	REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL
ISSN	1415-4366
EISSN	1807-1929
出版年	2024
卷号	28 期号:10
英文摘要	The occurrence of water sources with high concentrations of salts in the semi-arid region of Northeastern Brazil limits the expansion of irrigated agriculture. Therefore, it is extremely important to look for strategies capable of mitigating the effects of salt stress on plants. The objective of this study was to evaluate the effects of foliar application of salicylic acid in inducing tolerance of guava seedlings irrigated with water of distinct cationic composition. The experiment was carried out under greenhouse conditions using a randomized block design in a 5 x 5 factorial arrangement, with five cationic compositions of irrigation water (S1 - Control tap water, S2 - Na++Ca2++Mg2+, S3 Na++Ca2+, S4 - Ca2++Mg2+, and S5 - Na++Mg2+), so as to have equivalent ratios of 7:2:1 relative to Na++Ca2++Mg2+ and 1:1 relative to other combinations, respectively maintaining electrical conductivity - ECw at 3.0 dS m-1, and five concentrations of salicylic acid (0, 0.8, 1.6, 2.4, and 3.2 mM), with three replications and two plants per plot. Electrolyte leakage, succulence, and chlorophyll a fluorescence signals increased in guava seedlings irrigated with water up to 3.0 dS m-1. Water with ECw of 3.0 dS m-1 can be used to produce guava seedlings with acceptable quality for transplanting to the field, regardless of its constitution. In the absence of salicylic acid, water salinity negatively affected the chlorophyll a and b contents of seedlings, regardless of the cationic nature of the water.
英文关键词	Psidium guajava L. salt stress osmoregulation
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:001295351000001
WOS关键词	SALINE WATER ; LEAF SUCCULENCE ; SALT STRESS ; PHYSIOLOGY ; NITROGEN ; GROWTH
WOS类目	Agricultural Engineering
WOS研究方向	Agriculture
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/405362
推荐引用方式 GB/T 7714	Vitor, Mateus S.,de Lima, Geovani S.,Soares, Lauriane A. dos A.,et al. Salicylic acid and irrigation with water of different cationic compositions on 'Paluma' guava seedlings[J],2024,28(10).
APA	Vitor, Mateus S..,de Lima, Geovani S..,Soares, Lauriane A. dos A..,de Lacerda, Cassiano N..,da Silva, Saulo S..,...&Nobrega, Jackson S..(2024).Salicylic acid and irrigation with water of different cationic compositions on 'Paluma' guava seedlings.REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL,28(10).
MLA	Vitor, Mateus S.,et al."Salicylic acid and irrigation with water of different cationic compositions on 'Paluma' guava seedlings".REVISTA BRASILEIRA DE ENGENHARIA AGRICOLA E AMBIENTAL 28.10(2024).