Identification, distribution and desity determining of pistachio orchards weeds in Yazd provinc.
2008
Mir Vakili, Mohammad | Ja`fari Nudushan, Ali | Musavi, Yahya | Qayumi, Mohammad | Baghestani, Mohammad Ali
One of the serious problems in Pistachio gardens is Weed that compete to production and some of which are hosts of some Pistachio pests such as Pistachio Bugs . Determining vegetation of garden floor is very important to weed management of pistacio gardens . In this study Flora of weeds in Pistacio gardens were determined and dominant species were introduced . Identification of species were determined using key and sampling were carried out in 3 gardens at least at 5 points randomizely using 1m2 Quadrate . In each quadrate number of species was counted and dominant species was determined for each region . The results showed that 64 species belonging to 18 families were identified of which 37 % were Perennial and the rests were Annual . The most species collected from Pistacio gardens of Yazd province belonged to Gramineae with 14 species . Phalaris minor , Cressa cretica , Cynodon dactylon , Alhagi camelorum , Acroptilon repens and Convolvulus arvensis were dominant species . Phalaris minor with 34.6 , Acroptilon repens with 11.6 and Cynodon dactylon with 10.7 plant /m2 had high density.
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