源库关系调控对木薯主要农艺性状的影响
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摘要
通过物理摘除木薯叶片和薯块的方式调控其源库关系,研究不同源库条件下木薯的株高、茎粗、茎重、薯重、薯块数、淀粉含量等指标,并进行方差及相关性分析,结果表明,摘叶后木薯产量与摘叶数量呈显著负相关;摘叶后株高与摘叶数量呈显著正相关;木薯定植90 d及以前摘叶处理块根数显著减少,而120 d及以后无显著影响;木薯定植150 d及以后摘薯,木薯产量与摘薯数量呈正相关,木薯定植120 d及以前处理无显著影响;木薯定植120 d及以前摘薯处理薯块数显著增加,但未达到显著性水准,木薯定植150 d及以后摘薯处理与块根数无显著关系;木薯薯重、薯块数、收获指数与茎重、薯块数、茎粗、薯块数、淀粉含量呈极显著正相关,与株高呈显著或极显著负相关。
To control the relationship between the source libraries by physically removing the leaves and pieces of cassava,the plant height,stem thickness,stem weight,weight,pieces and starch content of cassava were studied under the conditions of different source libraries,and the variance and correlation analysis were carried out.The results show that after removing the leaves,there is a significant negative correlation between the yield of cassava and the number of removed leaves.After removing the leaves,the height of the plant is positively correlated with the number of the removed leaf.The number of roots decreased significantly before 90 days of planting,but not at 120 days and later.There is a positive correlation between the yield of cassava and the number of removed leaves after 150 days of planting,and there is no significant effect for 120 days.The pieces of cassava treated with removing leaves before 120 days significantly increased but did not reach the level of significance.The pieces of cassava treated with removing leaves after 150 days are not significantly correlated with the number of roots.There is an extremely significant positive correlation between the weight of cassava,the pieces of cassava,the harvest index and the weight of stem,the pieces of cassava,the thickness of stem,and the content of starch,and a negative correlation with the height of the plant.
To control the relationship between the source libraries by physically removing the leaves and pieces of cassava,the plant height,stem thickness,stem weight,weight,pieces and starch content of cassava were studied under the conditions of different source libraries,and the variance and correlation analysis were carried out.The results show that after removing the leaves,there is a significant negative correlation between the yield of cassava and the number of removed leaves.After removing the leaves,the height of the plant is positively correlated with the number of the removed leaf.The number of roots decreased significantly before 90 days of planting,but not at 120 days and later.There is a positive correlation between the yield of cassava and the number of removed leaves after 150 days of planting,and there is no significant effect for 120 days.The pieces of cassava treated with removing leaves before 120 days significantly increased but did not reach the level of significance.The pieces of cassava treated with removing leaves after 150 days are not significantly correlated with the number of roots.There is an extremely significant positive correlation between the weight of cassava,the pieces of cassava,the harvest index and the weight of stem,the pieces of cassava,the thickness of stem,and the content of starch,and a negative correlation with the height of the plant.
引文
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[10] El-Sharkawy M A. Cassava biology and physiology[J]. Plant Molecular Biology, 2004, 56(4):481-501.
[11]蒋强.不同施氮量对不同品种木薯库源特性的影响[D].南宁:广西大学, 2016.
[12]罗兴录.不同植物生长调节剂对木薯生长发育和淀粉积累影响的研究[J].中国农学通报, 2002, 18(3):30-33.
[13]唐荣仙.生长调节剂在木薯生产上的应用[J].广西热带农业, 2008(6):28-29.
[14]上海植物生理学会.植物生理学实验手册[M].上海:上海科学技术出版社, 1985.
[15]李标.源库调控对雾培马铃薯结薯性能的影响[D].重庆:西南大学, 2008.
[2]李文婷.马铃薯产量形成的源库关系及水氮对其的调控[D].北京:中国科学院教育部水土保持与生态环境研究中心, 2016.
[3]黄升谋.库源关系对杂交水稻根系活力的影响[J].安徽农业科学, 2008, 36(21):8 971-8 972.
[4]薛吉全,马国胜,路海东,等.密度对不同类型玉米源库关系及产量的调控[J].西北植物学报, 2001, 21(6):1 162-1 168.
[5]汪玉磊,杨劲松.冬小麦群体库源比及其与产量的关系[J].土壤通报, 2009, 40(1):140-142.
[6]张玲娥,张萍.植物生长调节剂对冬小麦籽粒灌浆期源库关系的调控[J].核农学报, 2005, 19(3):228-231.
[7]陈义珍.库源比调控棉花叶片衰老的生理与分子机制研究[D].济南:山东大学, 2018.
[8]彭丽丽,姜卫兵,韩健.源库关系变化对果树产量及果实品质的影响[J].经济林研究, 2012, 30(3):134-138.
[9]岑湘涛,沈伟,杨美纯,等.木薯组织培养外植体选择和灭菌研究[J].江苏农业科学, 2014, 42(11):71-72.
[10] El-Sharkawy M A. Cassava biology and physiology[J]. Plant Molecular Biology, 2004, 56(4):481-501.
[11]蒋强.不同施氮量对不同品种木薯库源特性的影响[D].南宁:广西大学, 2016.
[12]罗兴录.不同植物生长调节剂对木薯生长发育和淀粉积累影响的研究[J].中国农学通报, 2002, 18(3):30-33.
[13]唐荣仙.生长调节剂在木薯生产上的应用[J].广西热带农业, 2008(6):28-29.
[14]上海植物生理学会.植物生理学实验手册[M].上海:上海科学技术出版社, 1985.
[15]李标.源库调控对雾培马铃薯结薯性能的影响[D].重庆:西南大学, 2008.
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