CAJ | 학술논문

　　以黄瓜自根苗和嫁接苗为试材，测定了不同收集温度（20℃、25℃、30℃）下黄瓜根系的分泌物量，并研究了不同类型黄瓜幼苗根系分泌物对黄瓜和南瓜种子萌发及幼苗生长的影响。结果表明：随着温度的升高，黄瓜自根苗和嫁接苗的根系分泌物量均逐渐增加，在30℃条件下根系分泌物量最多，且自根苗的根系分泌物量明显多于嫁接苗。黄瓜根系分泌物对黄瓜和南瓜种子的发芽率、发芽势以及胚根和胚轴的伸长均具有明显的抑制作用，且抑制作用随着根系分泌物浓度的降低而减弱。黄瓜根系分泌物对黄瓜种子萌发和幼苗生长具有抑制作用，通过嫁接可以在一定程度上减轻这种抑制作用。嫁接黄瓜虽然可以在一定程度上减轻黄瓜根系分泌物引起的自毒作用，但仍然能产生连作障碍。
　　이황과자근묘화가접묘위시재，측정료불동수집온도（20℃、25℃、30℃）하황과근계적분비물량，병연구료불동류형황과유묘근계분비물대황과화남과충자맹발급유묘생장적영향。결과표명：수착온도적승고，황과자근묘화가접묘적근계분비물량균축점증가，재30℃조건하근계분비물량최다，차자근묘적근계분비물량명현다우가접묘。황과근계분비물대황과화남과충자적발아솔、발아세이급배근화배축적신장균구유명현적억제작용，차억제작용수착근계분비물농도적강저이감약。황과근계분비물대황과충자맹발화유묘생장구유억제작용，통과가접가이재일정정도상감경저충억제작용。가접황과수연가이재일정정도상감경황과근계분비물인기적자독작용，단잉연능산생련작장애。
Taking cucumber own-rooted seedlings and grafted seedlings as the test materials, the secretion of cucumber root in different collection temperatures (20 ℃, 25 ℃, 30 ℃) was investigated, and the effects of different types cucumber seedling root exudates on seeds germination and seedling growth of cucumber and pumpkin were studied.The results showed that the root secretion amount was gradually increased with the increasing of temperature, when the temperature was up to 30 ℃, the root secretion amount was maximum, and the amount of own-rooted seedlings was more than that of grafted seedlings.Root exudates of cucumber had different degree of inhibition to seeds germination rate, germination potential, elongation of radicle and hypocotyls of cucumber and pumpkin, the inhibition was weakened with the decreasing of root exudates concentration.Root exudates of cucumber had different degree of inhibition to seeds germination and seedling growth of cucumber , and the inhibition was decreased to a certain extent by grafting, grafted cucumber could reduce the autotoxic, but it could still produce continues cropping obstacle.