福建稻麦科技
福建稻麥科技
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FUJIAN SCIENCE AND TECHNOLOGY OF RICE AND WHEAT
2013年
1期
16-19
,共4页
陈爱珠%卓传营%赵雅静%李小萍%姜照伟
陳愛珠%卓傳營%趙雅靜%李小萍%薑照偉
진애주%탁전영%조아정%리소평%강조위
水稻%高温胁迫%临界温度
水稻%高溫脅迫%臨界溫度
수도%고온협박%림계온도
rice%high temperature stress%critical temperature
在抽穗开花期和乳熟初期,构建高温微环境鉴定天优3301品种的高温胁迫,明确花期是高温胁迫敏感期,日平均最高穗温35℃,日最高气温37℃,将障碍受精过程,形成大量空壳.试验结果为花期高温胁迫的鉴定和防御提供依据.
在抽穗開花期和乳熟初期,構建高溫微環境鑒定天優3301品種的高溫脅迫,明確花期是高溫脅迫敏感期,日平均最高穗溫35℃,日最高氣溫37℃,將障礙受精過程,形成大量空殼.試驗結果為花期高溫脅迫的鑒定和防禦提供依據.
재추수개화기화유숙초기,구건고온미배경감정천우3301품충적고온협박,명학화기시고온협박민감기,일평균최고수온35℃,일최고기온37℃,장장애수정과정,형성대량공각.시험결과위화기고온협박적감정화방어제공의거.
High?temperature?stress?of?rice?cultivar?Tianyou?3301?at?heading?stage?and?initial?milk?grain?stage?was?studied?by?constructing?mini-environment?condition?with?high?temperature.?The?results?showed?that?flowering?stage?was?a?sensitive?stage?of?high?temperature?stress.?When?daily?mean?highest?spikelet?temperature?was?35℃?and?daily?highest?temperature?arrived?at?37℃,?the?entire?fertilization?was?obstructed?and?led?to?many?empty?grains.?These?results?will?provide?the?base?for?identification?and?control?of?high?temperature?stress?at?flowering?stage.
