Using the temperature data of Turpan from 1977 to 2006 offered by the Xinjiang Uygur Autonomous Region Meteorological Information Center,we investigated the effects of temperature change on the Phenophase of Calligonum L. The results showed that: the average temperature trended to be warmer at a rate of 0.71 ℃ per decade in the studied area,the annual average temperature in Turpan has risen 2.06 ℃ in recent 29 years; in the past 29 years,the phenology of Sect. Medusa Sosk.et Alexandr of Calligonum L. was the latest; the beginning of leaf discoloration of Sect. Calliphysa (Fisch.et Mey.) Borszcz was later than Sect. Pterococcus (Pall.) Borszcz; however,as to the other 3 phenological period,the phenology of Sect. Calliphysa (Fisch.et Mey.) Borszcz was the earliest,the Sect. Calligonum and Sect. Pterococcus (Pall.) Borszcz were in middle. Calligonum L. in bud-expansion and beginning of leaf extension was mostly ahead of the trend,the beginning of leaf discoloration and beginning of leaf fall delayed; the bud expansion of Calligonum L. showed a significantly negative relationship (p <0.05) with the annual average temperatures and the spring temperatures; a 1 ℃ rising of the annual average temperature may make the bud-expansion of Sect. Calliphysa (Fisch.et Mey.) Borszcz advance 4.5 d,Sect. Medusa Sosk. et Alexandr 4.3 d,Sect. Calligonum 4.1 d, Sect. Pterococcus (Pall.) Borszcz 8.3 d, respectively;beginning of leaf discoloration and beginning of leaf fall did not change significantly; the advancing of bud-expansion phenophase response to temperature was greater than that of beginning of leaf discoloration and beginning of leaf fall.
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