Design and development of a pneumatic Colorado beetle control machine in small potato fields
1380
Reshad sedghi, Ali | Abdi, Saber | Ranjbar, Iraj
The fillbertjs o!!e_ofthe most i and quot;!portant plants in Alamut region. We have recently received some reports from the Alamut's gardens, idicating the gradual broweses becoming dry, hollowness of seeds, sever decrease of crops and even some of the them were to become dry offilben - tree. Following the first inquiry ,signs of some diseases was observed on these trees. There fore twenty villageshavingfilbert gardens were reviewed and important diseases were guessed in 1993 and 1994. later on three plates were recognized as Hir and viar , zarabad and zavardasht, and parrod and Talator in Alamut region. Here the typical ofextrem disease were clearly observed. During the cultivar season saveral times the focUs of the study was refered to these platses and signs of diseases were recorded and samples from infectious pans of the trees (fruit - root soil root - stem - branch -leaf) were- collected. Having done some laboratory works. we have isolated seven fungi, two nematodes and only one bactrium agents from these plants which include: 1- Phyllactinia guttata , 2- Rosellinia necatrix 3- CytospQra Fuckellii sacco , 4- Polyporus sp. 5- Nematospora coryli, 6- Armillaria mellea 7- Aspergillus sp. , 8- Meloidogyne javanica 9- Cacopaurus pestis 10- Xanthomonas campesteris pv.
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