干旱区生态环境知识资源中心(Arid): Pre-germination treatments in pitaya (Hylocereus spp.) seeds to attenuate salt stress

Arid

DOI	10.5935/1806-6690.20220034
	Pre-germination treatments in pitaya (Hylocereus spp.) seeds to attenuate salt stress
	Costa Carvalho, Sara Monaliza; de Paiva, Emanoela Pereira; Torres, Salvador Barros; de Souza Neta, Maria Lilia; Leite, Moadir de Sousa; Benedito, Clarisse Pereira; de Albuquerque, Cynthia Cavalcanti; da Silva Sa, Francisco Vanies
通讯作者	Carvalho, SMC
来源期刊	REVISTA CIENCIA AGRONOMICA
ISSN	0045-6888
EISSN	1806-6690
出版年	2022
卷号	53
英文摘要	Pitaya (Hylocereus undatus and H. costaricensis) is found in the group of exotic fruits and its cultivation in Brazil is expanding, especially in the semi-arid region of the Northeast. In this region, the problems of water quantity and quality usually cause environmental stresses which limit the survival of plants, especially during germination and seedling establishment. Thus, the objective was to evaluate the mitigating action of pre-germination treatments in pitaya seeds under salt stress. The experiment was conducted in a completely randomized design, in a 2 x 6 factorial scheme, corresponding to two species of pitaya (H. undatus and H. costaricensis) and six pre-germination treatments (T1 = 0.0 MPa (control); T2 = salt stress (-0.4 MPa); T3 = hydropriming + salt stress; T4 = gibberellic acid + salt stress; T5 = salicylic acid + salt stress; T6 = thiamethoxam + salt stress). After 20 days of sowing, germination, germination speed index, shoot length, primary root length, total dry mass, total soluble sugars and total free amino acids were analyzed. H. costaricensis was more tolerant to salinity than H. undatus. Salicylic acid stimulated the germination and growth of H. undatus, besides increasing the soluble sugar content in H. costaricensis. Seed hydropriming attenuated salt stress during germination of H. undatus and favored dry mass gain. Gibberellic acid stimulated the germination of H. undatus and the growth of H. undatus and H. costaricensis seedlings, in addition to increasing the levels of soluble sugars in H. undatus.
英文关键词	Attenuators Cactaceae Abiotic stress Germination
类型	Article
语种	英语
开放获取类型	gold, Green Published
收录类别	SCI-E
WOS记录号	WOS:000820536500001
WOS关键词	GIBBERELLIC-ACID ; SALINITY ; TOLERANCE ; CULTIVARS ; ALLEVIATE ; SEEDLINGS ; GROWTH
WOS类目	Agriculture, Multidisciplinary
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/2XILL650/394306
推荐引用方式 GB/T 7714	Costa Carvalho, Sara Monaliza,de Paiva, Emanoela Pereira,Torres, Salvador Barros,et al. Pre-germination treatments in pitaya (Hylocereus spp.) seeds to attenuate salt stress[J],2022,53.
APA	Costa Carvalho, Sara Monaliza.,de Paiva, Emanoela Pereira.,Torres, Salvador Barros.,de Souza Neta, Maria Lilia.,Leite, Moadir de Sousa.,...&da Silva Sa, Francisco Vanies.(2022).Pre-germination treatments in pitaya (Hylocereus spp.) seeds to attenuate salt stress.REVISTA CIENCIA AGRONOMICA,53.
MLA	Costa Carvalho, Sara Monaliza,et al."Pre-germination treatments in pitaya (Hylocereus spp.) seeds to attenuate salt stress".REVISTA CIENCIA AGRONOMICA 53(2022).