13. After making an anatomic study on the primary vascular system of their seedlings based on the theory and method of cotyledon node zone.
根据子叶节区理论和方法对胡萝卜幼苗初生维管系统进行了解剖学研究。
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14. The cotyledon callus increment and flavonoids contents reach to peak in the fifth times, chlorogenic acid contents was in the fourth times.
子叶愈伤组织的增长量和总黄酮含量在第五代达到最大值，绿原酸含量于第四代达到最大值。
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15. The extending cotyledon traces differentiate directly from the parenchymatous cells which locate on the outside of the poles of primary xylem.
伸向子叶的子叶迹，直接由原生木质部极外面的一群薄壁组织细胞分化形成。
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16. This pathogen mainly infected fruit and cotyledon of edible seed watermelon, especially causing spots with black and star-shaped cracks in fruit.
该病菌在田间主要侵染籽瓜的果实和子叶，症状在果实上尤为明显，形成黑色的星状开裂。
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17. The levels of free Trp and endogenous IAA decreased in the initial period of the callus formation of mungbean cotyledon but increased in the later period.
18. The lower part of its cotyledon node zone is cotyledon node zone-root transition region, and its upper part is cotyledon node zone-stem connection region.
在子叶节区下部存在子叶节区—根过渡区；子叶节区上部存在子叶节区—茎连接区。
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19. The average resistance effect of the mycelial water extracts to the disease of cucumber scab reached 74.04% by spraying spore suspension on yellow cotyledon.
经黄化子叶喷雾接种法测定，姬松茸菌丝水体物对黄瓜黑星病的平均诱导抗病效果为74.04%。
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20. Methods Hairy root of H. niger was obtained from cotyledon explants after infected with Agrobacterium rhizogenes strains A4, LBA9402, and C58C1, respectively.
方法分别用A4、LBA9402和C58C1三种发根农杆菌菌株转化莨菪子叶受体，获得发根；
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21. Pistacia chinensis was woody oil plant. The oil bodies in the pericarp, seed coat and cotyledon were examined during the development of fruits of Pistacia chinensis.
22. Root, hypocotyl and cotyledon of Glycyrrhiza inflata were cultured on MS medium containing different hormones in light or dark, and root was cultured in liquid medium.
23. The paper studied effects of GA_3 and IAA on cellulase activity in abscission zone from petiole of primary leaves of bean, cotyledon petioles and boll petioles of cotton.
24. The precision of stock cotyledon direction orientating which the device of identifying stock growing point performs is tested by means of the technique of image processing.
运用图像处理技术，对蔬菜嫁接机器人的砧木生长点识别系统，进行了砧木子叶方向定位的准确性的试验。
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25. The results showed that in the developmental periods of young embryo and cotyledon, protein contents of ovary of empty shell chestnut were lower than that of normal chestnut;
结果表明：空篷栗在幼胚发育期、子叶发育期，其总苞和子房中的蛋白质含量均低于正常栗；
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26. The factors that influence callus induction, shoot differentiation and growth of Helianthus annuus cotyledon were studied and an efficient regeneration system was established .
27. The factors that influence callus induction, shoot differentiation and growth of Helianthus annuus cotyledon were studied and an efficient regeneration system was established .
