اﺛﺮ ﮐﺸﺖ ﻣﺨﻠﻮط اﻓﺰاﯾﺸﯽ ﮔﯿﺎه ﻣﺎش ﺑﺮ ﻋﻤﻠﮑﺮد و اﺟﺰاي ﻋﻤﻠﮑﺮد ذرت S.C 704

Effect of Additive Intercropping of Mungbean on Yield and Yield Components of Corn S.C 704

ﺑﻪ ﻣﻨﻈﻮر ﺑﺮرﺳﯽ اﺛﺮ ﮐﺸﺖ ﻣﺨﻠﻮط اﻓﺰاﯾﺸﯽ ﮔﯿﺎه ﻣﺎش ﺑﺮ ﻋﻤﻠﮑﺮد و اﺟﺰاي ﻋﻤﻠﮑﺮد ذرت S.C 704 آزﻣﺎﯾﺸﯽ ﺑﺮ اﺳﺎس ﻃﺮح ﺑﻠﻮكﻫﺎي ﮐﺎﻣﻞ ﺗﺼﺎدﻓﯽ ﺑﺎ ﺷﺶ ﺗﯿﻤﺎر و ﭼﻬﺎر ﺗﮑﺮار ﻃﯽ ﺗﺎﺑﺴﺘﺎن ﺳﺎل 1397 ﺑﻪ ﺻﻮرت ﻣﺰرﻋﻪ اي در ﻣﻨﻄﻘﻪ دزﻓﻮل اﺟﺮا ﮔﺮدﯾﺪ. ﺗﯿﻤﺎرﻫﺎي آزﻣﺎﯾﺶ ﺷﺎﻣﻞ ﻧﺴﺒﺖﻫﺎي ﻣﺨﺘﻠﻒ ﮐﺸﺖ ﻣﺨﻠﻮط اﻓﺰاﯾﺸﯽ ذرت- ﻣﺎش )اﻓﺰودن ،10 ،20 ،30 40و 50 درﺻﺪ از ﺗﺮاﮐﻢ ﻣﻄﻠﻮب ﮔﯿﺎه ﻣﺎش ﺑﻪ ﺗﺮاﮐﻢ ﻣﻄﻠﻮب ذرت( و ﮐﺸﺖ ﺧﺎﻟﺺ ذرت )ﺷﺎﻫﺪ( ﺑﻮد. ﻧﺘﺎﯾﺞ ﻧﺸﺎن داد ﮐﻪ اﺛﺮ ﺗﯿﻤﺎرﻫﺎي ﻣﺨﺘﻠﻒ ﮐﺸﺖ ﻣﺨﻠﻮط اﻓﺰاﯾﺸﯽ ذرت- ﻣﺎش ﺑﺮ ﻋﻤﻠﮑﺮد و اﺟﺰاي ﻋﻤﻠﮑﺮد ذرت )ﺑﻪ ﺟﺰ ﺻﻔﺖ ﺗﻌﺪاد ردﯾﻒ داﻧﻪ در ﺑﻼل( اﺛﺮ ﻣﻌﻨﯽ داري داﺷﺖ. ﺑﺎ ﺗﻮﺟﻪ ﺑﻪ ﻧﺘﺎﯾﺞ ﺑﻪ دﺳﺖ آﻣﺪه، ﺑﯿﺸﺘﺮﯾﻦ ﻋﻤﻠﮑﺮد داﻧﻪ )8839 ﮐﯿﻠﻮﮔﺮم در ﻫﮑﺘﺎر( و ﻋﻤﻠﮑﺮد ﺑﯿﻮﻟﻮژﯾﮏ )19970 ﮐﯿﻠﻮﮔﺮم در ﻫﮑﺘﺎر( ﻣﺮﺑﻮط ﺑﻪ ﺗﯿﻤﺎر اﻓﺰاﯾﺸﯽ ذرت + 40 درﺻﺪ ﻣﺎش ﺑﻮد ﮐﻪ ﺑﻪ واﺳﻄﻪ اﺛﺮ اﻓﺰاﯾﺶ ﺗﻌﺪاد داﻧﻪ در ردﯾﻒ و وزن ﻫﺰار داﻧﻪ ﺗﯿﻤﺎر ﻣﺬﮐﻮر ﻧﺴﺒﺖ ﺑﻪ دﯾﮕﺮ ﺗﯿﻤﺎرﻫﺎي آزﻣﺎﯾﺸﯽ ﺑﻮد. درﻧﻬﺎﯾﺖ ﻣﯽ ﺗﻮان ﺑﯿﺎن ﻧﻤﻮد، ﺣﻀﻮر ﻣﺎش ﺗﺄﺛﯿﺮات ﻣﺜﺒﺘﯽ ﺑﺮ ذرت داﺷﺖ ﮐﻪ اﺣﺘﻤﺎﻻً ﺧﺎﺻﯿﺖ ﺗﺜﺒﯿﺖﮐﻨﻨﺪﮔﯽ ﻧﯿﺘﺮوژن ﺗﻮﺳﻂ رﯾﺸﻪﻫﺎي ﮔﯿﺎه ﻣﺎش ﯾﮑﯽ از دﻻﯾﻞ اﺻﻠﯽ اﯾﻦ اﻣﺮ ﺑﺎﺷﺪ.

In order to study the effect of cultivation of mungbean additive intercropping on yield and yield components of maize S.C 704 an experiment was conducted based on randomized complete block design with six treatments and four replications in Dezful region during the summer of 2018. Experimental treatments consisted of different additive intercropping of maize-mungbean intercropping (adding 10%, 20%, 30%, 40% and 50% of optimum density of mungbean to optimum maize density) and a pure stand of maize (control). The results showed that the effect of different cornmungbean intercropping treatments had significant effect on yield and yield components of corn (except for grain number per ear). According to the results, the highest grain yield (8839 kg.ha-1) and biological yield (19970 kg.ha-1) were related to additive intercropping treatment of maize+40% mungbean. This was due to the effect of increasing number of grains per row and 1000-grain weight of the above treatments compared to the other treatments. Finally, it can be concluded that the presence of mung bean had positive effects on maize, which may be one of the main reasons for nitrogen fixation by the roots of mungbean.