نتایج جستجو برای: leaf and fruit spots tomato
تعداد نتایج: 16860982 فیلتر نتایج به سال:
Tomato russet mite develops freely and quickly mainly on tomatoes potatoes. The next places are occupied by black red nightshades eggplant. can press both the upper lower sides of plant leaves. First, leaves branches begin to be damaged. It gradually spreads upwards. affected branch becomes smooth with a brown color, yellow spots appear leaves, general color begins turn brown. Infected flowers ...
Tomato (Lycopersicon esculentum Mil.) is one of the most important economical vegetable in the world and its greenhouse production has expanded during the recent years. In this study, the effects of two pruning methods on yield and some fruit quality traits indices of two varieties of tomato (Newton and Oregon) were investigated. In the first experiment (florescence pruning), treatments were ke...
as a diagnostic probe for P. syringae pv. tomato. In a survey of 75 plant-associated bacteria, pTPR1 hybridized exclusively to those strains that produced coronatine. The detection limit for this probe, which was labeled with the Chemiprobe nonradioactive reporter system, was approximately 4 x 103 CFU of lesion bacteria. During the 1989 growing season, a total of 258 leaf and fruit lesions from...
Drought stress reduces the yield and production of tomato (Lycopersicum esculentum Mill.). Tomato does not naturally accumulate glycinebetaine (GB) in the cells under natural conditions. Effects of exogenous glycinebetaine on some morpho-physiological characteristics of Lycopersicum esculentum Mill. cv. PS was evaluated at different levels of drought stress. The experiment was conducted in a fa...
Deficit Irrigation (DI) is a fundamental solution for efficient water use in irrigated lands under conditions of water scarcity. The aim of the present study was to evaluate the potential for water saving and yield improvements of two greenhouse tomato cultivar (Shaqayeq and Shahrzad) with use of three DI treatment ,50, ,75, and ,100, percent of full irrigation along with surface and subsurface...
Shelf life is one of the most important traits for the tomato (Solanum lycopersicum) industry. Two key factors, post-harvest over-ripening and susceptibility to post-harvest pathogen infection, determine tomato shelf life. Anthocyanins accumulate in the skin of Aft/Aft atv/atv tomatoes, the result of introgressing alleles affecting anthocyanin biosynthesis in fruit from two wild relatives of to...
Objective: This field experiment was laid out in order to study on effect of Nano and Bio fertilizers on yield and yield components of tomato (Lycopersicone sculentum L.) during the growing seasons 2013- 2014. Methods: The experiment was laid out in a factorial based on randomized block design with three replications. Treatments were K nanofertilizer in five levels such as (0, 100, 200...
Quality is a key trait in plant breeding, especially for fruit and vegetables. Quality involves several polygenic components, often influenced by environmental conditions with variable levels of genotype × environment interaction that must be considered in breeding strategies aiming to improve quality. In order to assess the impact of water deficit and salinity on tomato fruit quality, we evalu...
The kaolin-based particle film Surround has been shown to suppress various insect pests and foliar diseases while reducing canopy temperature and improving water use efficiency in certain agricultural production systems. The usefulness of Surround was examined against important production constraints in peanut, including tomato spotted wilt, leaf spots, and aflatoxin contamination. Field experi...
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