ÃÞ »¨ ѧ ±¨      Cotton Science    2009£¬21(1)£º28-33

 

 

Study on Climate Niche-fitness Value of Cotton Fiber Quality in Northern Xinjiang
CHENG Hai-tao, MA Fu-yu*,MU Cai-yun
(College of Agriculture , Shihezi University /Key Laboratory of Oasis Ecology Agriculture of Xinjiang Bingtuan ,Shihezi, Xinjiang 832003, China )

Abstract£ºTaking cotton fiber quality formination from high yield cotton field in Northern Xinjiang as the study object, the niche-fitness values based on seven ecological factors that correlate with cotton fiber development were calculated, the results showed that the niche-fitness values of cotton fiber from 3rd to 6th fruit nodes were high, the values of 1st to 2nd, 7th to 8th, and 9th to 10th declined successively. Compared to the grey system theory values of actual cotton fiber of different fruit nodes, the results proved that niche-fitness values had significantly linear response to fiber quality. Therefore, the niche-fitness values of different fruit nodes can predict it's cotton fiber quality well, and niche-fitness value method can be used as a tool to regulate and establish cotton canopy of high yield and efficiency.
Key words£ºcotton fiber quality£»ecological factors£»niche-fitness value     [Full Text, 2430KB]