The objective of this study were to use of RAPD technique for identification of Krachai ecotype in Thailand. DNA from 36 sample of Krachai that collected from every part of Thailand are amplified by 10 primer and relation analysis by UPMGA. This study was conducted at Faculty of Agriculture at Bangpra Sriracha Chonburi. The results showed every primer can made different pattern. After comparison of RAPD pattern from each sample can divide into 2 groups. However every sample is closely genetic relation likes it came from same original.

This research is obviously studied the problems and obstacles in accepting the students for training according to the workplaces notions through the areas of training management training format training students qualifications and training students knowledge. The subjects for this research were randomly selected from varipus firms which accepted 115 third year undergraduated students in training. Questionnaires were statistically analyses by Percentage Mean and Standard Deviation. The findings of this research were as follow :1. In the training management aspect the workplaces were not able to cooperate with school for preparatory training and they did not know the major objectives of the training course syllabus moreover the firms did not have specific positions for training students. 2. Through the training format the observers who checked training students performances did not cooperate with the workplaces and the training students who themselves directly contacted to workplaces were not accepted. Furthermore there was no continuity of scattering training students on workplaces. 3. Training students qualifications training students were lack of mature selfconfidence and thoughtful ideas in working and solving problems. 4. Training students knowledge training students were not qualified in their vocational skillsEnglish and Thai communications task analyZing and task planning for their training job.

The purpose of this study was to study and compare The Learning Problem of Student in faculty of business administration at Rajamangala University of Technology Phra Nakhon in 5 aspects : curriculum instructional learn environment instructors and students . The student were classified by gender educational background major subjects student achievement and time of study. The samples in this research were 200 students. The 82 item questionnaires of Likerts rating scales was used as the research instrument. Percentage mean standard deviation t -test for independent sample F -test and LSD analysis were statistical method to analyze data. The results were as follows: 1.The Learning Problem of Student all aspects were in the low levels that learn environment the highest while instructional curriculum instructors and students was in the second rank. 2.There was significant difference for the learning problem of student in curriculum and learn environment at the 0.05 level among students in different gender. 3.There was significant difference for the learning problem of student in students at the 0.05 level among stUdents in different educational background and student achievement. 4.There was significant difference for the learning problem of student in instructional learn environment instructors and all aspects at the 0.05 level among students in different time of study. 5.There was significant difference for the learning problem of student in curriculum instructional learn environment instructors and all aspects at the 0.05 level among students in different major subjects.

การศึกษาครั้งนี้มีวัตถุประสงค์เพื่อศึกษาระดับผลสัมฤทธิ์ทางการเรียน ปัจจัยด้านสภาพทั่วไปของนักศึกษา และปัจจัยด้านสภาพแวดล้อมทางการศึกษา ได้แก่ ด้านผู้เรียน การสนับสนุน ทางสังคม ด้านอุปกรณ์และสถานที่ และด้านหลักสูตร เปรียบเทียบผลสัมฤทธิ์ทางการเรียนสาขาวิชาการบัญชี จำแนกตามสภาพทั่วไปของนักศึกษา และศึกษาความสัมพันธ์ระหว่างปัจจัยด้านผู้เรียนการสนับสนุนทางสังคม ด้านอุปกรณ์และสถานที่ และด้านหลักสูตร กับผลสัมฤทธิ์ทางการเรียนของนักศึกษา สาขาวิชาการบัญชี คณะบริหารธุรกิจ มหาวิทยาลัยเทคโนโลยีราชมงคลพระนคร ปีการศึกษา 2551 จำนวน 218 คน เครื่องมือที่ใช้ในการวิจัยเป็นแบบสอบถามปัจจัยด้านสภาพทั่วไปของนักศึกษา และปัจจัยด้านสภาพแวดล้อมทางการศึกษา สถิติที่ใช้วิเคราะห์ข้อมูล คือ ค่าร้อยละค่าเบี่ยงเบนมาตรฐาน t-test F-test และค่าสัมประสิทธิ์สหสัมพันธ์ของเพียร์สัน กำหนดระดับ นัยสำคัญทางสถิติที่ระดับ 0.05

The purposes ofthis research were to study and compare the need of the lecturers welfare and benefit organizing in Rajamangala University ofTechnology Phra Nakhon under the Teacher Reforms of the Ministry ofEducation in four aspects namely lecturers life-quality improvement moral and mental supports profession stability and salary and other fringe benefits improvement. The sample consisted of lecturers of Rajamangala University ofTechnology Phra Nakhon employed during the academic year 2008 selected by stratified random sampling technique; and the sample size of228 lecturers was chosen according to Krejcie and Morgans tables (Krejcie and Morgan 1970 : 607-910). The tool used for collecting data was Likert 5-level rating scale questionnaire. The statistics used in this research were percentage arithmetic mean standard deviation t-test one-way ANOVA and Tukey-Kramer test. The research revealed as follows. 1.The lecturers needed high level of welfare and benefit organizing in the overall aspects and in each aspect namely lecturers life-quality improvement moral and mental supports profession stability and salary and other fringe benefits improvement. 2.The lecturers who had different sexes ages and marital status also had different needs in overall and each aspects without significant difference. On the contrary the lecturers with different educational qualifications had different needs in overall and each aspects with significant difference at the level of .05. The lecturers who had different working experiences also had different needs in overall aspects with significant difference at the level of .05. When considering each aspect it was found that the lecturers needed their life-quality improvement compared to moral and mental supports differently with significant level at .05. When doing pairwise comparison it was found that the lecturers with under Io-Year-working experience had higher needs than and had different needs from those with 10 to 20-year-working experience.