关键词: ‘夏黑’, ‘夏黑’, 赤霉素, 吡效隆, 果实膨大

Abstract: 96 cooperatives (agricultural garden, village) of 93 townships of 17 cities in Henan were investigated to understand the occurrence and prevention and control of continuous cropping obstacles of facility vegetables. The results showed that: crops in the arrangements and vegetable species of facility vegetables in Henan were diversified, vegetables’continuous cropping years were more than 5 a, the longest continuous cropping years were 30 a; when the continuous cropping of facility vegetables were more than 3 a, vegetables showed continuous cropping obstacle, and the proportion of shed and greenhouse with continuous cropping obstacle and the severity increased with the extension of continuous cropping years; soil borne diseases of facility vegetables occurred most seriously, in which the incidence rate of root knot nematode disease was 84.6%, and that in greenhouse was 56.9%; except for soil borne disease, the imbalance of soil nutrients and soil secondary salinization also commonly occurred, the soil-self toxicity, soil crust, acidification occurred relatively light. The main measures of prevention and control of continuous cropping obstacles for protecting facility vegetables in Henan were summarized, and several important problems found in the survey were analyzed, and some suggestions were put forward.