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和“cucurbita”相关的论文


cucurbita
  • 印度南瓜和中国南瓜种间杂交种的特性与应用 免费阅读 下载全文 相关:印度南瓜 中国南瓜 种间杂交种
  • 印度南瓜和中国南瓜的种间杂交种,有着不同于亲本的特征特性,在种子生产和商品瓜栽培管理上有特殊要求。中国南瓜(Cucurbita moschata Duch.,俗称南瓜)和印度南瓜(Cucurbita maxima Duch.,俗称笋瓜)是南瓜属作物中的主要栽培种。印度南瓜和中国南瓜的种间杂交,创新了南瓜属种质资源,也培育出了印度南瓜和中国南瓜的种间杂交种。
  • 《中国南瓜史》序 相关:中国南瓜 万国鼎 坎坎坷坷
  • 昕升博士将其书稿《中国南瓜史》电子版发来,嘱为其作序。我在倍感荣幸之余,又深感惶恐。乡贤欧阳修有言:“不怕先生骂,却怕后生笑。”昕升博士,以而立之年,便完成了一项农史研究的拓荒之作,真是后生可畏。中国的农史研究事业,自先贤草创,已近百年,其间风风雨雨,坎坎坷坷,至今薪火相传,后继有人。其中南京农业大学的中国农业遗产研究室一直走在全国的前列。
  • Fatty Acid Accumulation in Seeds of Three Seed Pumpkin Cultivars 免费阅读 下载全文 相关:SEED PUMPKIN CUCURBITA
  • In the literature there are many reports on the composition and properties of pumpkin seed oil; however, few is known about the effect of different stages of seed development on various fatty acid profiles in developing seeds. The objective of this study was to provide the changes of various fatty acid accumulations in seed oil obtained from the seeds of three pumpkin varieties belonging to the species Cucurbita maxima and Cucurbita pepo. Unsaturated acids (oleic and linoleic) were dominant in various fatty acids, which constituted 38.9%-49.1% and 29.4%-42.7% of the total fatty acids at seed maturity for three pumpkin varieties, respectively, while other fatty acid concentrations except for palmitic acid all did not reach 10%. Different varieties exhibited greater effect on various fatty acid contents and the total fatty acid contents in the seeds of pumpkin rather than the species. On the whole, palmitic acid profiles of the seed oil in three varieties all followed the fluctuant decrease during all the stages of seed development, but palmitoleic acid and the total fatty acid profiles of the seed oil in three varieties were just the opposite. Stearic, oleic and linoleic acid profiles of the seed oil in three varieties all experienced the third pattern that fluctuated during all the stages of seed development, but no significant differences in these three fatty acid concentrations were found from the beginning to the end. Linolenic acid concentrations of three varieties were on the decline and ultimately close to zero. Myristic and arachidic acid profiles of the seed oil followed different trends in three varieties. Among them, myristic and arachidic acid profiles of the seed oil of Yinhui-1 fluctuated downward all the time until seed maturity, but those of 0238-1 and Jinhui-2 completely changed oppositely.

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