نتایج جستجو برای: late harvest
تعداد نتایج: 217814 فیلتر نتایج به سال:
Pre-harvest desiccation of rapeseed crop may allow a more timely harvest as well as increase the speed and harvest operation efficiency as a second crop after rice. An effective desiccant which could be used as a harvest-aid with no negative effects on rapeseed yield and quality would be advantageous for oil seed crop producers and may reduce yield losses with no interferential effects on rice ...
Aged plants are more difficult to infect than young plantlets. This modification of susceptibility is described as mature plant resistance (MPR). For potato virus Y (PVY), MPR known lead low infection rates inoculated at the postflowering stage and a decrease in number infected daughter tubers. However, impact inoculation date on capacity PVY accumulate tubers has not been studied so far. Field...
Many factors related to the occurrence of browning disorder in ‘Braeburn’ apple were investigated, including harvest maturity, cumulative temperature in growing season, and different orchard locations. The incidence of browning disorder was related to the harvest time of fruit and the activity of superoxide dismutase. Superoxide dismutase activity was lower in late harvested ‘Braeburn’ apple fr...
Growth and grain yield of irrigated barley cultivars (Valfajr, Binam and Raihaneh) was investigated at 4 sowing dates (6, 22 Oct. and 14, 20 Nov.) in Karaj region. The effect of sowing date, genotype and their interaction on grain yield were statistically significant. Early and late sowing enhanced cold damage. However, the damage was more in late sowings. It was estimated that the optimum sowi...
Modification of planting season from spring to autumn in order to use green water, has been introduced as an effective and consistent agronomic strategy with climate change. For this purpose and in order to increase the cultivation of autumn sugar beet as a strategic crops in increasing the self-sufficiency of sugar in the country, it is necessary to implement research programs including determ...
peach genotypes showing notable fruit and tree traits were selected in ardabil and east azarbaijan provinces of iran. genotypes were grafted on seed rootstocks and cultured with 4×4 m spacing. traits such as tree growth habit, flowering, maturity, morphological and qualitative fruit characteristics were described in 15 peach genotypes using ibpgr peach descriptors during the 2005-2007 seasons. ...
the effect of ca, zn and b foliar application (five g l-1) and their mixed applications as well as two harvest dates (1st and 15st of august) on ppo activity of two commercial asian pears (‘ks’9 and ‘ks’13) fruits at the time of harvest and during storage were investigated. results showed that the ppo activity increased from harvest time to three months after storage and then decreased. during ...
The effects of season and community composition as generated by livestock herbivory of differing intensity on seed species preference by Pogonomyrmex barbatus (F. Smith) were studied in a semiarid savanna on the Edward's Plateau, TX. Seasonal differences in nutrient requirements of the colony could lead to differential preferences for seeds harvested in spring and fall. Field cafeteria studies ...
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