نتایج جستجو برای: Digestive enzyme activity

تعداد نتایج: 1301104  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه محقق اردبیلی - دانشکده علوم کشاورزی 1391

abstract: the potato tuberworm, phthorimaea operculella (zeller), is an important insect pest of potato (solanum tuberosum l.) in the storage and field in most parts of the world especially in tropical and subtropical regions due to its close relationship with the host, high reproductive potential and high economic losses. information on host preference, life table parameters and digestive en...

Journal: :حفاظت گیاهان 0
فرشباف پورآباد فرشباف پورآباد رشیدی رشیدی ولیزاده ولیزاده یزدانیان یزدانیان محمدی محمدی

abstract because of relation between digestive enzyme activity and feeding of insects that directly is in relation with the damage of insects; studying digestive enzyme systems is important in finding new control methods based on inhibiting digestive enzyme activity. recently using transgenic plants containing enzyme inhibitors is important in improving resistance of crops to pests because of s...

Journal: :journal of crop protection 2012
fatemeh ahmadi abbas khani mohammad ghadamyari

biochemical characteristics of α-amylase in the digestive system and head glands of cryptolaemus montrouzieri, a key predator of citrus mealybug, planococcus citri (pseudococcidae), were studied. the major isoform of α-amylase with the same molecular weight was detected in both gut and head glands loaded on polyacrylamide-starch gel electrophoresis. moreover, a minor band with much lower intens...

Journal: :iranian journal of fisheries science 0
t. mohammadian m. alishahi m.r. tabandeh m. ghorbanpoor d. gharibi

in this study, two main probiotics (lactobacillus plantarum and lactobacillus delbrueckii subsp. bulgaricus) were isolated from the intestine of tor grypus and their effects on growth performance, gut microbial flora and digestive enzymes activities (i.e., α-amylase, lipase, trypsin, chymotrypsin, and alkaline phosphatase) of tor grypus (karaman, 1971) were determined. juveniles of t. grypus (n...

Journal: :Japanese Journal of Hospital Pharmacy 1976

Journal: :journal of crop protection 2014
meysareh shabarari bahram naseri arash zibaee jalil hajizadeh

willow leaf beetle, plagiodera versicolora is an important pest of willow trees that feeds on the leaves both as larvae and as adults. -amylases (ec 3.2.1.1) are the major insect digestive enzymes that catalyze the endohydrolysis of long -1,4-glucan chains such as starch and glycogen. in the current study, -amylase activity was studied in the midgut of larvae and adults of p. versicolora. am...

Journal: :علمی شیلات ایران 0
مهکامه لشکری زاده m. lashkarizadeh گروه شیلات، دانشکده منابع طبیعی دانشگاه تهران، کرج صندوق پستی: 4111 مهرداد فرهنگی m. farhangi گروه شیلات، دانشکده منابع طبیعی دانشگاه تهران، کرج صندوق پستی: 4111 ناصر آق n. agh پژوهشکده آرتمیا و جانوران آبزی دانشگاه ارومیه امید صفری o. safari گروه محیط زیست، دانشکده منابع طبیعی و محیط زیست، دانشگاه فردوسی، مشهد

due to the importance of adult artemia in aquaculture, information regarding the digestive enzyme activities variation with inexpensive diets has great importance in artemia at different life stages. in this study, the effect of different inexpensive diets on digestive enzyme activities, including trypsin, amylse and lipase of artemia urmiana was investigated in different life stages. the exper...

Journal: :حفاظت گیاهان 0
یزدانیان یزدانیان فرشباف پورآباد فرشباف پورآباد رشیدی رشیدی ولیزاده ولیزاده رشتچی زاده رشتچی زاده وطنخواه وطنخواه حمیدی حمیدی

abstract digestive enzyme inhibitors are proteinacious or nonproteinacious compounds which reduce an enzyme activity through attaching to its active site and/or its substrate. nowadays, plant enzyme inhibitors are of great importance because 1) these have considerable effects on insect digestive enzymes and as a result on their development; and 2) the transgenic plants expressing them are safe....

Journal: :journal of agricultural science and technology 2010
a. r. bandani m. kazzazi m. allahyari

a study of insect digestive enzymes makes sense given that the gut is the major interface between the insect and its environment. an understanding of gut and digestive enzyme function is essential when advanced methods of insect management such as application of enzyme inhibitors and transgenic plants are developed to control insect pests. the aim of the current research project was to study mi...

Journal: :journal of crop protection 2012
seyede minoo sajjadian vahid hosseininaveh mohammad vatanparast

leptinotarsa decemlineata (say) and lasioderma serricorne f. are destructive pre-harvest and post-harvest pests of many plants in the family solanaceae, and stored foodstuffs and non-food items, respectively. in this study, some biochemical characteristics of cellulase in the larval digestive tract of these pests were studied. endo-β-1, 4-glucanase activity was measured against the substrate ca...

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