THE EFFECT OF WATER SHORTAGE AT DIFFERENT STAGES OF FRUIT GROWTH ON THE YIELD AND FRUIT QUALITY IN "DESERT RED" PEACH TREES

2021 ◽  
Vol 6 (8) ◽  
pp. 389-403
Author(s):  
H. M. A. AboOgiela
Keyword(s):  
Fruit Quality ◽  
Water Shortage ◽  
Fruit Growth ◽  
Effect Of Water ◽  
Peach Trees

Effect of water shortage on six potato genotypes in the highlands of Bolivia (II): water relations, physiological parameters

Agronomie ◽  
2003 ◽  
Vol 23 (2) ◽  
pp. 181-190 ◽  
Author(s):  
Christophe Tourneux ◽  
Andr� Devaux ◽  
Maria Ren� Camacho ◽  
Pablo Mamani ◽  
Jean-Fran�ois Ledent
Keyword(s):  
Water Relations ◽  
Water Shortage ◽  
Physiological Parameters ◽  
Effect Of Water

The Effect of Water Shortage on Potted Peach Trees in Relation to Ecophysiological Parameters and Infra-red Thermometry

HortScience ◽  
1998 ◽  
Vol 33 (3) ◽  
pp. 541b-541
Author(s):  
Rita Giuliani ◽  
James A. Flore
Keyword(s):  
Chlorophyll Fluorescence ◽  
Gas Exchange ◽  
Early Detection ◽  
Water Potential ◽  
Canopy Temperature ◽  
Water Shortage ◽  
Development Rate ◽  
Plant Water ◽  
Infra Red ◽  
Peach Trees

Potted peach trees grown outdoors during the 1997 season were subjected to drought and subsequent rewatering to evaluate their dynamic response to soil water content. The investigation was primarily focused on the early detection of plant water stress to prevent negative effects on the growth. Leaf chlorophyll fluorescence and canopy temperature estimates (by infra-red thermometry) were conducted. Drought effect on physiological processes were detected through by estimates of canopy development rate, leaf gas-exchange measurements; while leaf water potential was measured to characterize plant water status. A decrease in the canopy's development rate was found 1 week after irrigation was stopped, which also coincided with a more-negative leaf water potential, whereas a decrease of the gas-exchange activities occurred several days later. No significant differences between the stressed and control plants were recorded by the chlorophyll fluorescence parameters (Fo, Fm, Fv and the ratio Fv/Fm), whereas the infra-red estimates of canopy temperature detected a slight increase of the canopy surface temperature (connected to the change of leaf energy balance and in relation to partial stomatal closure) on the non-irrigated plants 1 week after the beginning of the trial. The use of infra-red thermometry for early detection of water shortage is discussed.

scholarly journals Does propagation method affect the field performance of peach trees?

2017 ◽  
Vol 38 (4Supl1) ◽  
pp. 2815
Author(s):  
André Luiz Kulkamp de Souza ◽  
Márcia Wulff Schuch ◽  
Samila Silva Camargo ◽  
Robson Rodrigues Pereira ◽  
Edson Luiz de Souza ◽  
...  
Keyword(s):  
Fruit Quality ◽  
Field Performance ◽  
Quality Parameters ◽  
High Density ◽  
Conventional System ◽  
Hydroponic System ◽  
Potential Alternative ◽  
Propagation Methods ◽  
Peach Trees ◽  
Vegetative Bud

Worldwide, peach propagation has been performed mainly by grafting scions of desirable cultivars on rootstocks obtained from seeds. There are, however, other potential propagation methods not widely adopted due to the limited reports on the field performance of the resultant trees. This study addressed this knowledge gap and investigated the field performance of peach trees of the cultivar Maciel that were established in an orchard (5.0 m × 1.4 m spacing) in 2011. The trees were trained in a "Y" system, with seedlings from three propagation techniques: 1) Conventional System (CS) - vegetative bud grafting of the scion on the rootstock of the Okinawa cultivar obtained from seed; 2) Rootstock by Minicutting (RM) - vegetative bud grafting of the scion on the rootstock of the Okinawa cultivar obtained by minicutting in a semi-hydroponic system; 3) Self-Rooting (SR) - self-rooting of the scion in a semi-hydroponic system. The vegetative, productive, and fruit quality parameters were assessed during 2012 and 2013. The Maciel peach trees that were propagated by the SR technique were found to have similar or even superior field performance to those propagated by the CS. The RM propagation method was also found to be an important potential alternative to peach propagation, since this it combines two techniques (cutting and grafting) to reduce tree vigor, especially if the goal is high-density planting.

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