Ethephon Concentrates and Advances Harvest for Limited Cluster Greenhouse Tomato Crops

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Ethephon Concentrates and Advances Harvest for Limited Cluster Greenhouse Tomato Crops

Ethephon (2-chloroethylphosphonic acid) was applied to single cluster greenhouse tomato crops (1000 ppm) at the green mature stage of fruit development or when 35% of the plants had fruits at the breaker stage. Fruits were harvested at the pink stage. Untreated fruit were harvested from 95 to 116 days after sowing whereas fruit from the green mature ethephon treatment were harvested from 92 to ...

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Greenhouse tomato limited cluster production systems: crop management practices affect yield.

Limited-cluster production systems may be a useful strategy to increase crop production and profitability for the greenhouse tomato (Lycopersicon esculentum Mill). In this study, using an ebb-and-flood hydroponics system, we modified plant architecture and spacing and determined the effects on fruit yield and harvest index at two light levels. Single-cluster plants pruned to allow two leaves ab...

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Canopy characterization is essential for pesticide dosage adjustment according to vegetation volume and density. It is especially important for fresh exportable vegetables like greenhouse tomatoes. These plants are thin and tall and are planted in pairs, which makes their characterization with electronic methods difficult. Therefore, the accuracy of the terrestrial 2D LiDAR sensor is evaluated ...

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Sustainable harvest: managing plasticity for resilient crops

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A Rapid and Sensitive Single Residual Method for Determination of Ethephon in Grape, Tomato and Lentil

A rapid and sensitive single residual method (SRM) for the determination of ethephon which resemble a very polar, non-QuEChERS-amenable and plant growth regulator was developed. This method is applicable for determination of ethephon in vegetables, fruits and herbs. This method is simply based on extraction of ethephon with deionized water with using an equal amount of dichloro methane in order...

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ژورنال

عنوان ژورنال: HortScience

سال: 2004

ISSN: 0018-5345,2327-9834

DOI: 10.21273/hortsci.39.7.1650