Emprego de água biossalina na germinação de sementes de espécies florestais da Caatinga – uma revisão

Santos, Agda Raiany Mota dos; Silva, Monalisa Alves Diniz da; Sousa, Lady Daiane Costa de; Araújo, Ariana Veras de; Gonçalves, Edilma Pereira

doi:10.33448/rsd-v10i11.19419

Cited by 1 publication

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“…The excess of salts present, both in surface and underground waters, being recurrent, especially in arid and semiarid regions due to the irregularities of the rains and the high rate of evapotranspiration (Nogueira et al, 2012;Santos, Silva, Souza, Araújo & Gonçalves, 2021), is a worrying cause in the seed germination phase that affects the entire production chain.…”

Section: Introductionmentioning

confidence: 99%

Seeds germination of different species in saline water

Pagliarini

Ribeiro²,

Pontim³

et al. 2022

RSD

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The objective of the work was to evaluate the interference of saline water in seeds germination of several species of economic interest. The experiment was developed at the Laboratory of Support to Teaching, Research and Extension of the Experimental Farm of Agricultural Sciences, Grand Dourados Federal University, in the municipality of Dourados, Mato Grosso do Sul state, Brazil. The germination tests were performed separately for each species, thus, each one has a methodology determined by Rules for Seed Analysis. The species used were: cotton, chickpea, pea, safflower, sesame, soybeans, and vetch. The treatments were formed by sodium chloride (NaCl) dissolved in water: T1 – control (0.0 g L-1 – 0.065 mS cm-1); T2 – 3.0 g L-1 (5.50 mS cm-1 ); T3 – 6.0 g L-1 (10.70 mS cm-1) and T4 – 9.0 g L-1 (15.10 mS cm-1). All treatments were cultivated in B.O.D with constant light and temperatures according to the species. The characteristics evaluated were: First count; percentage of germination; germination speed index; mean germination time; mean germination speed and seedling length. The experimental design used was completely randomized with four treatments and four replications. Doses up to 6.0 g L-1 of NaCl had not interfered on germination of cotton, chickpea, safflower and sesame seeds. Pea, soybean and vetch have not had their germination influenced by concentrations of NaCl used. Water salinity may not harm germination, however, it affects seedlings growth, and may be a determining factor in achieving the ideal population of each crop at field level.

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Section: Introductionmentioning

confidence: 99%