High density planting systems are a prerequisite to economise the use of land and labour costs of orchards. Dwarfing rootstocks controlling the vigour of the scion cultivars form the basis for such orchards (Wertheim and Webster, 2005). In the Netherlands, rootstock research is limited to and focussed on testing rootstocks selected abroad. For the Dutch pear growers the main selection criteria ...

Plant cell suspension cultures are widely used for the production of recombinant proteins and secondary metabolites. One of the most important steps during process development is the optimization of yields by testing different cultivation parameters, including the components of the growth medium. However, we have shown that the biomass yield of a cell suspension culture derived from the pear cu...

In the last decades, several biochemical and molecular studies in pear (Pyrus spp.) have revealed processes associated with dormancy establishment release, leading to identification of MADS-box family genes related bud regulation. Thus, aim this study was evaluate a preliminary expression pattern PpDAM13-1 PpDAM13-2 leaf buds pyrifolia Nakai, cultivars Hosui Nijisseiki; Pyrus communis L., Rocha...

Effects of water deficits on leaf turgor maintenance processes were analyzed for pear trees (Pyrus communis L. cv. "Barlett") grown in 120-liter containers. Four irrigation treatments were applied: a well-watered control treatment, a spring water stress cycle (Sp), a summer water stress cycle (Su), and a spring plus summer water stress cycle (Sp + Su). For the Sp treatment, water application wa...

Objective: Analyze the effect of sugar substitution by dehydrated aguamiel on physicochemical quality pear jam (Pyrus communis L.) 
 Design/methodology/approach: Different levels were analyzed (0, 25 and 50%). Physicochemical parameters as color, pH, acidity, density, consistency soluble solids evaluated.
 Results: Results showed that color characteristics was changed Study limitation...

The retention of respiratory control ("survival") by mitochondria held at 25 C was studied in relation to the ripening of two varieties of avocado (Persea americana Mill. var. ;Fuerte' and ;Hass') and one variety of pear (Pyrus communis. L. var. ;Bartlett') fruit. The survival of avocado mitochondria increased from 8 to 10 hours when isolated from unripe, preclimacteric fruit, to 48 hours when ...

The paper presents the comparative faunistic analysis of leaf inhabiting mite species on neglected and conventionally grown pome fruit trees in Turkey as well their diversity distributions. For this purpose, twelve sampling areas were chosen Ordu region Turkey. study was carried out four tree species, apple (Malus domestica), pear (Pyrus communis), quince (Cydonia oblonga), loquat (Eriobotrya j...

Ribosome-inactivating proteins (RIPs) are widespread among higher plants of different taxonomic orders. In this study, we report on the RIP sequences found in the genome/transcriptome of several important Rosaceae species, including many economically important edible fruits such as apple, pear, peach, apricot, and strawberry. All RIP domains from Rosaceae share high sequence similarity with con...