نتایج جستجو برای: 705 rh and 16l8d female longevity and immature developmental period 674 and 58 days
تعداد نتایج: 16914998 فیلتر نتایج به سال:
melon ladybeetle, epilachna chrysomelina (f.), is one of the key insect pests of cucurbit crops in asia and north africa. the development and reproduction of e. chrysomelina were studied on watermelon, snake cucumber, cucumber and melon under laboratory conditions. mean total life cycle from egg to adult female was 21.3, 21.7, 26.0, and 21.3 days on the mentioned host plants respectively. mean ...
this study sought to examine the effect of cooperative game on iranian students achievements in english alphabet learning. cooperative games are games, in which players or teams work together towards a common goal without defeating someone. the methodology used in this study was experimental. the population of the study was 60 female students from the grade one in secondary school in tabriz, ir...
The predatory beetle Cybocephalus fodori minor has recently been reported in Iran. Also few studies have been reported on life cycle of Cybocephalus beetles, especially on that of C. f. minor. Thus, the life cycle and feeding rate of this predatory beetle was studied on pistachio oyster shell scale, Lepidosaphes pistaciae under laboratory conditions (temperature: 25 ± 2 °c relative humidity: 6...
chrysoperla carnea is a voracious predator. it is currently mass-reared and released for biological control programs. this study was aimed at finding out the effect of different diets on biological characteristics of adult predator, and to introduce a better and cheaper artificial diet for its mass-rearing. in order to obtain a pure and physiologically homogenous population, the predator was re...
the following null hypothesis was proposed: h : there is no significant difference between the use of semantically or communicatively translates scientific texts. to test the null hypothesis, a number of procedures were taken first, two passages were selected form soyrcebooks of food and nutrition industry and gardening deciplines. each, in turn, was following by a number of comprehension quest...
1.0 overview it seems that grammar plays a crucial role in the area of second and foreign language learning and widely has been acknowledged in grammar research. in other words, teaching grammar is an issue which has attracted much attention to itself, and a lot of teachers argue about the existence of grammar in language teaching and learning. this issue will remind us a famous sentence f...
in fact, this study focused on the following questions: 1. is there any difference between the effect of functional/notional approach and the structural approaches to language teaching on the proficiency test of efl learners? 2. can a rather innovative language test referred to as "functional test" ge devised so so to measure the proficiency test of efl learners, and thus be as much reliable an...
abstract reception environment has considerable effects on accepting a translation. as the expectations of a target culture and its values and needs change throughout history, its criteria for accepting a translation or rejecting it will change accordingly (gentzler, 2001). the expectations of iran, as the reception environment in the present study, have changed after the islamic revolution. i...
a castanea crenata agglutinin (abbreviated as cca) was extracted and purified from bitter apple, citrullus colocynthis l., to determine its effects on the demographic parameters of apomyelois ceratoniae zeller. two groups of first larval instars were reared on an artificial diet containing 2% (w/w) of cca and control diets until emergence of adults. two sex ms-chart life table software was used...
The survival and development of the cat flea, Ctenocephalides felis, were assessed at various temperatures and relative humidities (RH). The upper and lower temperature limits for development (egg to adult) were 32 and 13 °C. The length of the developmental period ranged from 14 to 140 days at these temperature extremes. Complete development occurred from 50-92% RH. Immature C. felis reared at ...
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