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Articles by Muhammad Asad Ghufran
Total Records ( 2 ) for Muhammad Asad Ghufran
  Audil Rashid and Muhammad Asad Ghufran
  Edaphic conditions are largely responsible for arbuscular mycorrhizal (AM) spore density in soil. The soil characteristics of Margalla hills were analyzed for AM root colonization and spore density. Root colonization and spore number were least in the soil collected from most erosive positions. Topsoil eroded from surface showed relatively low AM inoculum potential whereas that of captured soil collected from the foot-hills revealed high potential. The numbers of spores recovered by wet sieving technique were significantly greater in captured soil. Spots that trap eroded surface soils moving down slope may act as an important reservoir of AM inoculum. It seems that the soil environment of Margalla hills will change as soon as annuals colonize the hills and this will improve conditions for mycorrhizal fungi to increase.
  Rizwana Aleem Qureshi , Syed Aneel Gilani , Muhammad Asad Ghufran and Kishwar Nazir Sultana
  Parthenium hysterophorus is a new entry and successfully growing on all types of soils in fields and waste lands. Parthenium is drought resistant highly resistant weed which sustain its survival in highly unfavorable conditions where other delicate flora can not grow. Due to its allelopathic nature, no other plant can grow near it successfully and the chemical nature of the soil also changes which further accelerate the unfavourness for the other species. Because of the weedy characteristics and production of large number of seeds, it grew on an alarming rate and presently it has occupied the large areas in NWFP and Punjab with increasing tendency. It has been found that this weed can grow in association of many other plants of which Cannabis sativa is more important but further studies indicated that even Cannabis is replaced by this weed which means it is highly tolerant and hardy in its nature and due to absence of some natural enemy (Predate) it tends to grow on unprecented rate. During the present study it has been observed that Parthenium can grow in variety of soil types with different pH values. Mostly sandy loam and sandy clay loam are found highly conductive for its growth. It is nature of its wide adaptability of various soil types due to which it is found replacing the Cannabis and other natural flora. However, well grown Cannabis plants compete for survival with this weed.
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