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The Study of development of Trogoderma granarium (Everts.) on different kinds of cereal seeds at packed in different types of bags with different storage period | ||
| Journal of Tikrit University For Agriculture Sciences | ||
| Article 1, Volume 13, Issue 2, 2013, Pages 321-328 | ||
| Abstract | ||
| This study about the development of Trogoderma granarium (Alkhabra) using different Iraqi hybrid species seeds (wheat ; Ezz and tamouz), barley; (amal and hathar) and corn; (smooth and rough) infected with the Khapra beetle insect and these seeds were packed in three types of bags (jute, canvas, PVC ( with periods of storage ( 2 -4 ( Months.The results showed that the class of grain and type of bags had a significant effect on the development of the insect and there was Un inverse relation ship between the effect and period of storage. No Significant differences were recorded in the rate of loss weight of grains for all kinds of bags in the period of (2) Months. While a significant differences where recorded in the period (4) Months since the highest rate losing weight was recorded in the wheat type Ezz with residuals (28.7-29.26) gm out of 30 g at the beginning of the experiment, followed by corn products type (fine) with residuals weight (28–28.40(gm for jute and cloth bag and then corn grain products (rough) with residuals (27.83)gm for Jute bags, for the lowest in the rate of weight losing in the weight of grains, have been in barley both species (amal and hathar) and wheat type (tamouz) showed no significant differences for all kinds of bags usedin the experiment. for the larvae, the highest rate was after two months ( 24.66 ) Larva in corn Class rough and (7 ) Larva after four Months in Jute bag. The lowest rate of the number of larvae ( 0 ) For a cloth bag, as well as for the larvae and by a high rate after two months (15.66 ) Larva in soft corn class jute bag, and after four Months(4)Larva in jute bag. In contrast lowest rate of the number of larvae (0.667) Larva in cloth bag, on the other hand the rat was very high after two months (13.66( Larva in grain wheat Ezz for jute bags. And after (4) Months results were (15) Larva for PVC Bags. And the lowest rat of the number of larvae (0.667 ) to cloth bag. For the complete insects, the highest number was (4) complete insects for jute bag in the Corn grain type smooth and rough and(0) complete insects in PVC bag after (2) months. And (13) complete insects after (4) months in a jute bags and (2) adult insect in PVC bag , Also (1.667) complete insects were recorded for the jute bag in the corn smooth and (1) complete insects in the bag PVC after (2) months. After (4) months( 6.667 ) complete Insect were recorded in jute bag and rate ( 2.333) complete insects PVC bags. While it was (1.33) complete insects in a jute bag of wheat grains class Ezz. And (0) complete insects cloth bag after (2) months, And (10 ) Insect complete after (4) Months in a jute bags , Finaly, (0.667) complete insects were recorded in a cloth bags. | ||
| Keywords | ||
| development; different; bags | ||
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