黑龙江农业科学
黑龍江農業科學
흑룡강농업과학
HEILONGJINAG AGRICULTURAL SCIENCE
2015年
7期
25-27
,共3页
吴耀坤%张玉先%金喜军%张明聪
吳耀坤%張玉先%金喜軍%張明聰
오요곤%장옥선%금희군%장명총
混播%抗病性%叶面指数%产量
混播%抗病性%葉麵指數%產量
혼파%항병성%협면지수%산량
mixed sowing%disease resistance%LAI%yield
大豆生产直接受到品种和栽培技术的影响,为了提高大豆产量,进而探讨大豆有效栽培技术,根据大庆地区特殊的气候和土壤条件,以当地主栽大豆品种抗线虫8号和抗线虫11为试验材料,设置不同混播比例处理,研究混播对大豆的抗线虫能力、冠层结构及产量的影响。结果表明:不同比例混播处理中和了两个供试品种的抗线虫能力,但在不同处理与对照间未表现出显著差异;不同比例混播处理中和了两个供试品种的冠层特性,表现为清种抗线虫8号叶面积指数最大,清种抗线虫11叶面积指数最小,其它处理介于二者之间,并且抗线虫8号和抗线虫11以1:4比例混播处理极显著小于其它混播处理;不同比例混播处理对大豆产量的影响不同,其中两品种3:2比例混播处理产量最高,且极显著高于两个对照。综合分析认为,适量的混合比例不仅有利于合理冠层结构的形成,还能提高通风透光能力,有利于光合作用的进行,进而提高大豆产量。
大豆生產直接受到品種和栽培技術的影響,為瞭提高大豆產量,進而探討大豆有效栽培技術,根據大慶地區特殊的氣候和土壤條件,以噹地主栽大豆品種抗線蟲8號和抗線蟲11為試驗材料,設置不同混播比例處理,研究混播對大豆的抗線蟲能力、冠層結構及產量的影響。結果錶明:不同比例混播處理中和瞭兩箇供試品種的抗線蟲能力,但在不同處理與對照間未錶現齣顯著差異;不同比例混播處理中和瞭兩箇供試品種的冠層特性,錶現為清種抗線蟲8號葉麵積指數最大,清種抗線蟲11葉麵積指數最小,其它處理介于二者之間,併且抗線蟲8號和抗線蟲11以1:4比例混播處理極顯著小于其它混播處理;不同比例混播處理對大豆產量的影響不同,其中兩品種3:2比例混播處理產量最高,且極顯著高于兩箇對照。綜閤分析認為,適量的混閤比例不僅有利于閤理冠層結構的形成,還能提高通風透光能力,有利于光閤作用的進行,進而提高大豆產量。
대두생산직접수도품충화재배기술적영향,위료제고대두산량,진이탐토대두유효재배기술,근거대경지구특수적기후화토양조건,이당지주재대두품충항선충8호화항선충11위시험재료,설치불동혼파비례처리,연구혼파대대두적항선충능력、관층결구급산량적영향。결과표명:불동비례혼파처리중화료량개공시품충적항선충능력,단재불동처리여대조간미표현출현저차이;불동비례혼파처리중화료량개공시품충적관층특성,표현위청충항선충8호협면적지수최대,청충항선충11협면적지수최소,기타처리개우이자지간,병차항선충8호화항선충11이1:4비례혼파처리겁현저소우기타혼파처리;불동비례혼파처리대대두산량적영향불동,기중량품충3:2비례혼파처리산량최고,차겁현저고우량개대조。종합분석인위,괄량적혼합비례불부유리우합리관층결구적형성,환능제고통풍투광능력,유리우광합작용적진행,진이제고대두산량。
Soybean production is directly affected by the varieties and cultivation techniques .In order to improve the yield of soybean ,further explore the effective cultivation techniques of soybean .According to the special cli‐mate and soil conditions in Daqing area ,taking local major soybean varieties Kangxianchong 8 and Kangxian‐chong 11 as test material ,the changes of leaf area index ,yield and disease resistance for soybean cyst nematode by mixed seeding were studied .The results showed that :there was no significant difference between the resist‐ance for soybean cyst nematode of each treatment ;Unicast Kangxianchong 8 had the largest leaf area index , unicast Kangxianchong 11 dad the least leaf area index ,which was related to the breed itself characteristics ;The mixed sowing had obvious effect on the yield of soybean ,especially the mixed sowing (3∶2) had the highest yield ,which was significantly different from other treatments ;The comprehensive analysis showed that proper blending ratio was not only beneficial to the formation of reasonable canopy structure ,also could improve the a‐bility of ventilation and pervious light ,was advantageous to the photosynthesis ,and then improve yield of soy‐bean .