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- W2362989504 abstract "In recent years organic fertilizer application has been paid more and more attention.The benefits of application of organic materials lie in its biological regulation to fruit trees through organic management in orchard systems.It has been demonstrated that organic fertilizers can improve growth and development of plants and heighten fruit qualities.Although a variety of foliar fertilizers such as extracted solution,distilled solution and fermented solutions from diverse plants are widely applied in agricultural system,a relatively little information is known about the mechanism of foliar fertilizer application to enhance the growth of shoot and leaf,promote fruit development,and alleviate stresses from pests and diseases.Aromatic plant-derived nutrient solution was made from aromatic plant material,sugar,ferment agent and water,among which aromatic plant materials came from intercrops in orchard,and fermented in some specific conditions.It has many functions,such as nutrition,insect resistance and antibacterial.Due to the characteristics of different organs and tissues,ferment solutions have different applications.In order to explore effects of aromatic plant-derived nutrient solution on the growth,fruit quality and prevention of disease in fruit plant,20 years old 'Fengshui' pear trees were selected as materials for treatments of foliar application with plant-derived nutrient solutions.The treatments were as follows: Tagetes patula(Tr1),Perilla frutescens(Tr2),Hyssopus officinalis(Tr3),Mentha canadensis(Tr4),Centaurea cyanu(Tr5),as well as their proportional mixture(Tr6),respectively.And bio-bacterial manure 'Nanguochun',a kind of foliar fertilizers(Tr7) and water(Tr8) as controls.We found that in compared with 'Nanguochun' foliar fertilizer,all aromatic plant-derived nutrient solutions in the present experiment were in proper proportion of mineral elements,and contained higher available P,Ca,Mg contents,greater soluble sugar,solid materials and Vc contents,as well as well-proportioned hormones including upper indole-3-acetic acid(IAA) and cytokinin(CK) contents.The foliar application of both plant-derived nutrient solutions and 'Nanguochun' remarkably promoted new shoots growth,leaf area and chlorophyll contents,and leaves′ absorption of mineral nutrients.Furthermore,single fruit weight,soluble sugar content,soluble solid materials content and Vc content increased significantly in pear fruits.And also,the foliar application of both plant-derived nutrient solutions displayed preventive effects on Venturia Pirina Aderh,Pnysalospora pinicola Nose and Valisa mali in leaves and fruits of pear plant.In terms of compared effects of different treatments,Tr3 and Tr4 greatly increased mineral nutrient contents in leaves,and Tr3 largely improved the growth of new tips and leaf area;in addition,Tr3 obviously hastened the growth and development of pear trees.Differing from Tr3,Tr4 markedly enhanced single fruit weight,soluble solid content and sugar/acids ratio,resulting in improvement of fruit quality.Besides the above functions,both Tr1 and Tr4 still showed well prevention of 3 pear diseases.In conclusion,the investigation suggested that there were large amount of mineral elements,organic nutrition and hormones in aromatic plant-derived nutrient solutions,as well as well-proportioned nutrition factors.These comprehensive ingredients perhaps help to improve growth of trees,mineral nutrient contents in leaves and fruit quality,and simultaneously played a role in the prevention of diseases of leaves and fruits of pear trees." @default.
- W2362989504 created "2016-06-24" @default.
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- W2362989504 date "2011-01-01" @default.
- W2362989504 modified "2023-09-23" @default.
- W2362989504 title "Effect of aromatic plant-derived nutrient solution on the growth,fruit quality and disease prevention of pear trees" @default.
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