Melon (Cucumis melo L.) is a crop of great socioeconomic importance in regions with semiarid climate, as found in Northeast Brazil. In this region water deficit is a usual condition as well as the main reduction factor of plant productivity. Due to this phenomenon, irrigation techniques are used to make available the amount of water needed for plant production. Therefore, this research evaluated the physiology ...
This study aimed to evaluate the growth and physiology of Annona squamosa seedlings under increasing irrigation depths and phosphorus doses. The experiment was conducted in protected environment, evaluating five irrigation depths and four P2O5- doses, arranged in 5 x 4 factorial scheme, in randomized blocks, with four replicates and one plant per plot. Treatments were irrigation depths of 60, 80, 100, 120 and 1...
The objective of this study was to evaluate the ecophysiological behavior of ‘Tahiti’ acid lime/rootstock grafted on Sunki mandarin hybrids during the prefloration stage of the plants, in the field, under saline stress. The progenies originating from crossings of the ‘Sunki’ mandarin with ‘Rangpur’ lime and Poncirus trioliata, as rootstocks, combined with the ‘Tahiti’ acid lime as a scion. The experiment was ca...
A insuficiencia hidrica consiste em um dos principais fatores limitantes da agricultura nas regiões semiaridas. Com isso, o emprego de tecnologias que permitam amenizar os efeitos ocasionados por esse fator se torna essencial para que ocorra a expansão da agricultura nessa região. Diante disso, objetivou-se estudar o crescimento e as trocas gasosas de plantas de alface sob adubação silicatada e estresse hídrico...
Made available in DSpace on 2019-10-06T15:18:57Z (GMT). No. of bitstreams: 0 Previous issue date: 2018-01-01. Added 1 bitstream(s) on 2021-07-15T15:23:30Z : No. of bitstreams: 1 S1980-993X2018000500300.pdf: 334823 bytes, checksum: cd097e3ef9805b8628b7135ae9c76825 (MD5); Cowpea is a crop with great economic, social and food importance in semi-arid regions, but its production is drastically reduced by the water d...
In order to study the growth and physiology of citrus rootstocks under saline water irrigation, during formation of rootstocks, an assay was carried out in a factorial scheme, 2 x 6, corresponding to two levels of salinity of the nutrient solution: 0.3 and 4.0 dS m-1 and six genotypes provided by the Citrus Breeding Program of Embrapa Cassava & Fruits-CBP, distributed in randomized block design with three r...
The beet culture has great economic and food importance in the world, especially with respect to energy generation. In Brazil the culture is still little studied, lacking studies in all stages of production of culture, mainly in the management of fertilization. This study aimed to evaluate the effect of organo-mineral fertilization on growth, gas exchanges and production of beet, cv. Katrina. The experiment was...
High salts concentrations in soil and water are common in semi-arid regions, which reduces the growth and development of crops, especially sensitive plants, such as citrus, being important to identify tolerant materials as well as to study the physiology of these plants. An experiment was conducted evaluate the growth and physiology of citrus trifoliate citrus hybris during their early stage of development (see...
The papaya crop has great socio-economic expression in the Brazil and is mainly grown in the northeastern region, which is facing serious problems of water shortage, particularly in its qualitative aspect, due to high concentration of salts in water. For best performance of a crop it is necessary to adopt managements strategies, such as the use of tolerant cultivars, thus, aimed to assess the balance of salts i...
Na produção de mudas de mamoeiro são poucas as informações sobre substratos combinados à nutrição fosforada para obtenção de mudas com qualidade satisfatória ao desenvolvimento das plantas. Desta forma se objetivou, no presente estudo, avaliar o efeito de diferentes substratos alternativos combinados à adubação fosfatada na melhoria da produção de mudas de mamão cv. Baixinho de Santa Amália. O experimento foi r...