Yield Component And Effects Of Different Continuous Cropping And Rotation Years On Yield Of Processing Tomato

Relying on.JunHu Farm in XinJiang production and construction corps,this paper researched yield component factors and effects of different continuous cropping and rotation years on yield of processing tomato,explored main factors of yield component,mastered the specific effect of continuous cropping and rotation on yield of processing tomato.The paper wants to provide theoretical basis for continuous cropping and rotation.and offer technical support for sustainable development of processing tomato industry in Xinjiang.1. Selected processing tomato cultivars Liger87-5and Q-027as materials.development process, yield component factor, fruits spatial distribution and other aspects of the two cultivars were studied.The conclusions were obtained as follows:the fruit shape of both the two varieties were oval:growth and development process were basically the same;the fruits number of the fouth, fifth and sixth inflorescence were more than other inflorescences,and the same as fruits weight.which is the main factors of yield component.The research showed that this is a important period of forming production of processing tomato and strengthen the management of water and fertilizer during this period could get high producing.2. Selected processing tomato cultivars Liger87-5as materials.growth conditions,diseases.yield.sell rating and economic benefits of processing tomato under different continuous cropping and rotation years were studied with the method of field partition.The results showed that the diseases.costs of pesticide, the rate of rotten fruit of processing tomato had a increasing trend and single fruit weight,yield.sell ratings and economic benefits had a descending trend with the extensions of continuous cropping ycarsxrop rotation technology could alleviate continuous cropping barrier effectively.and its effects w;ere increased with rotation years.3. Made an investigation about common diseases of processing tomato in the production process in JunHu Farm,and describe local integrated control techniques in the actual production process.The research indicated that reasonable crop rotation has a positive effect on reducing various diseases.