This paper analyzed the influence on the frequency of embryos and the doubling efficiency according to different inoculation time and inflorescence age during microspore culture when the donor plants were grown in field.
以大田甘蓝型油菜为材料,对小孢子培养不同取样时间和不同开花时期接种的胚状体诱导频率和不同加倍方法的加倍效率进行了研究,结果表明:大田甘蓝型油菜小孢子培养最佳取样时间是上午7∶00时,此时取样出胚率达4。
The latest advances in genetic and breeding research on hapoid induction,polyploid induc-tion,determination of ploidy level and chromosome doubling of cucurbit crops(watermelon,muskmelon and cucumber)were reviewed.
综述了西瓜、甜瓜及黄瓜遗传育种中的单倍体和多倍体诱导、细胞学倍性鉴定、染色体加倍研究的进展,并对其在遗传育种中的应用作了简要介绍。
The chromosome doubling of haploid and double haploid in cucumber was studied.
进行了黄瓜单(双单)倍体染色体加倍试验。
Haploid breeding is a method of doubling the spontaneous or artifical haploid with colchicum, and selecting the super doubled lines.
单倍体育种是利用自然发生或人工培育的单倍体，经染色体加倍获得纯合二倍体，再从中选育自交系的方法。
How to Correctly Understand and Enforce the Double Compensation Liability Prescribed by“The Consumer s Rights Protection Law;
《消法》中“加倍赔偿”法律责任的理解和适用
The system of double compensation for the payment in arrears should be improved.
对企业恶意欠薪行为规定的加倍赔偿制度需要进一步完善。