福建农业学报
福建農業學報
복건농업학보
FUJIAN JOURNAL OF AGRICULTURAL SCIENCES
2014年
3期
204-208
,共5页
邹文广%许旭明%饶鸣钿%张受刚%马彬林%卓伟%韦新宇%杨旺兴%杨腾帮%范祖军
鄒文廣%許旭明%饒鳴鈿%張受剛%馬彬林%卓偉%韋新宇%楊旺興%楊騰幫%範祖軍
추문엄%허욱명%요명전%장수강%마빈림%탁위%위신우%양왕흥%양등방%범조군
施氮量%杂交早稻%干物质积累与转运%产量
施氮量%雜交早稻%榦物質積纍與轉運%產量
시담량%잡교조도%간물질적루여전운%산량
nitrogen fertilization%early hybrid rice%dry matter accumulation%dry matter translocation%yield
对福建杂交早稻金优2155和T78优2155进行施氮量试验。结果显示，在较高土壤肥力条件下，金优2155和T78优2155在施氮150 kg · hm-2有利于提高2个品种的有效穗、产量、叶片干物质量、茎鞘干物质量、干物质转运量、干物质转运率、转运干物质对籽粒贡献率；金优2155的每穗粒数、穗长、株高、千粒重、穗干物质量、花后干物质累积量随施氮量增加呈先增后减的抛物线变化趋势，而T78优2155的结实率变化趋势与之相反；T78优2155的每穗粒数、穗长、株高随施氮量的增加而增加，而金优2155的结实率、干物质累积量和T78优2155的千粒重变化趋势与之相反；T78优2155的干物质累积量抽穗期和成熟期随施氮量增加表现出不同的变化趋势；抽穗期和成熟期干物质累积量与有效穗和产量关系密切。
對福建雜交早稻金優2155和T78優2155進行施氮量試驗。結果顯示，在較高土壤肥力條件下，金優2155和T78優2155在施氮150 kg · hm-2有利于提高2箇品種的有效穗、產量、葉片榦物質量、莖鞘榦物質量、榦物質轉運量、榦物質轉運率、轉運榦物質對籽粒貢獻率；金優2155的每穗粒數、穗長、株高、韆粒重、穗榦物質量、花後榦物質纍積量隨施氮量增加呈先增後減的拋物線變化趨勢，而T78優2155的結實率變化趨勢與之相反；T78優2155的每穗粒數、穗長、株高隨施氮量的增加而增加，而金優2155的結實率、榦物質纍積量和T78優2155的韆粒重變化趨勢與之相反；T78優2155的榦物質纍積量抽穗期和成熟期隨施氮量增加錶現齣不同的變化趨勢；抽穗期和成熟期榦物質纍積量與有效穗和產量關繫密切。
대복건잡교조도금우2155화T78우2155진행시담량시험。결과현시，재교고토양비력조건하，금우2155화T78우2155재시담150 kg · hm-2유리우제고2개품충적유효수、산량、협편간물질량、경초간물질량、간물질전운량、간물질전운솔、전운간물질대자립공헌솔；금우2155적매수립수、수장、주고、천립중、수간물질량、화후간물질루적량수시담량증가정선증후감적포물선변화추세，이T78우2155적결실솔변화추세여지상반；T78우2155적매수립수、수장、주고수시담량적증가이증가，이금우2155적결실솔、간물질루적량화T78우2155적천립중변화추세여지상반；T78우2155적간물질루적량추수기화성숙기수시담량증가표현출불동적변화추세；추수기화성숙기간물질루적량여유효수화산량관계밀절。
Experiments were conducted to evaluate the effects of nitrogen fertilization on early hybrid rices ,Jinyou 2155 and T78 You 2155 ,in Fujian .The results indicated that ,with high soil fertility ,the nitrogen application rate of 150 kg · hm -2 could improve the usable panicles ,grain yield ,dry matters in leaves and stem-sheaths ,dry matter translocation and rate ,as well as the contribution rate of dry matter translocation to grain weight gains .The spikelets per panicle , panicle length , plant height , 1000-grain weight , spike dry matters , and dry matter accumulation after anthesis increased initially ,and followed by a decline as the nitrogen amount applied to Jinyou 2155 increased .The seed setting rate of T78 You 2155 decreased with the increased fertilization .The spikelets per panicle ,panicle length and plant height increased with increasing nitrogen applicationon T 78 You 2155. The dry matter accumulation in Jinyou 2155 and the 1000-grain weight of T78 You 2155 decreased with the increased fertilization .The dry matter accumulation at the heading and maturing stages on T 78 You 2155 showed different changing patterns with the nitrogen application . There was a close correlation found between the dry matter accumulation at both the heading and maturing stages and the usable panicles or the ultimate rice yield .
