Pruning effect on important pests density old saxaul in Yazd province
2003
Shamszadeh, M., Yazd Agriculturaland Natural Resources and Research Center | Baghestani Maybodi, N., Yazd Agriculturaland Natural Resources and Research Center
Haloxylons play important role in desertification biological combatment. Withering of old manmade Haloxylons caused worriment and rejuvenating of old plants showed to be necessity since last years. In this study the effect of several pruning methods on growing and freshness of old Haloxylon aphyllum were investigated in Yazd province (1995). Population of Caillarida inedita and Achrus taghizadahi and Proceratia caesariella were studied since 1997.Split-plot with main treatments including normal (240/hec) and ad usted (120/hec) and subtreatments as prune high including surface cutting, 35cm, 70cm and control (no pruning). Every treatment contained 10 Haloxylon aphyllum that 3 of them were selected accidentally and samples were taken from different sides. This study showed the effect of density were not significant and pruning treatments influenced number of C.inedita and A. taghizadahi significantly(p0.05). In most cases the number of C.inedita and A. taghizadahi in surface cutting was more than the others. Whereas the number of P.caesariella in different treatments did not have significant difference. Keywords: Haloxylon aphyllum , pruning, pest density, C.inedita, A. taghizadahi, P. caesariella ,saxual
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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