| The greenhouse vegetables of Bazhou area started earl and developed rapidly, it has become a major local new economic growth point. The present situation of greenhouse vegetable was stated by investigating in the paper, including the type of greenhouse, planting patterns, technical services, product sales. The species of vegetable pest and the main types of regularity and green prevention and control measures were studied. The results were listed as follow. 1、there are four main types of greenhouse in Bazhou area, included ordinary sunlight greenhouse and small and medium shed. The main vegetable species below to solanaceae, cucurbitaceae, cruciferae and leguminous. The greenhouse vegetable production model consists of a single spring to early, autumn delay and winter production direction. Planting way changed from two crop production to 3-4 crop production within a year. The new technique, such as promoting pollution-free standardized production, drip irrigation, grafting, hole plate seedling, biological control, were promoted. Wholesale and retail trade were 90% and 10% respectively. 2, The species of pest on facilities vegetables is 12 families, more than 30 kinds of main species, among them, leafminers, diamondback moths, aphids, whiteflies, leaf mites, thrips and dishes are serious pest in Bazhou 3, There are 5 species leafminers in vegetables in bazhou area, which is L. sativae Blanchard, L. huidobrensis(Blanchard), L.c ongesta(Becker), L.b ryoniae(kaltenbach) and L.chinensis(Kato). The species can be determined by morphological characteristics and harm symptom. Agricultural control, physical control, ecological regulation, biological control, and environmental friendly green prevention and control measures, such as pesticide chemical control can effectively reduce the harm to facilities vegetable production. |
PDF Full Text Request