In Ardabil region potato crop needs several irrigation, however ground water supplies arebeing exhausted due to reduced precipitation and intensive irrigation. In this research droughttolerance of 10 commercial potato cultivars was studied at three irrigation treatments (100%,80% and 60% of required irrigation water) in Ardabil in a two years field study, 2013-2014.At harvest, marketable tuber ...

in order to investigate the effect of different levels of biological fertilizers on potato performance (cv. marfona), an experiment was carried out as strip plot based on rcb design with 3 replications in 2011 at isfahan. treatments included nitrocara at 4 levels (0: control, 220, 330 and 440 ml.ha-1) as a first factor and nitroxin+ phosphate at 4 levels (0+0: control, 20+100, 30+150 and 50+200...

The rise in atmospheric CO(2) concentration coupled with its direct, often positive, effect on the growth of plants raises the question of the response of invasive plants to elevated atmospheric CO(2) levels. Response of two invasive weeds [purple nutsedge (Cyperus rotundus L.) and yellow nutsedge (Cyperus esculentus L.)] to CO(2) enrichment was tested. Plants were exposed to ambient (375 micro...

LOX (EC 1.13.11.12) are ubiquitous plant enzymes that catalyze the hydroperoxidation of polyunsaturated fatty acids; potato tubers contain high levels of LOX (Pinsky et al., 1971). LOX are believed to catalyze a key step in the formation of jasmonates, which have profound effects on plant physiology and gene expression (Staswick, 1992), including the induction of tuber formation in potatoes (Ko...

A new potato tuber lipoxygenase full-length cDNA sequence (lox1:St:2) has been isolated from potato tubers and used to express in Escherichia coli and characterize a novel recombinant lipoxygenase (potato 13/9-lipoxygenase). Like most plant lipoxygenases it produced carbonyl compounds from linoleate (the preferred substrate) and was purified in the Fe(II) (ferrous) state. Typical of other potat...

This new 6-page publication of the UF/IFAS Horticultural Sciences Department focuses on adjustment potato seed piece spacing table-stock cultivars for Florida production. The aim is to provide management strategies that minimize costs, increase yield, and reach marked demand specific tuber size distribution, all which are important factors industry. Written by Mario H. M. L. Andrade, Luis G. Pe...