Special Problem Archive

Special Problem Archive

Student special problem projects of the Department of Agronomy — browse by academic year, crop, or keyword.

2566 มันสำปะหลัง

Flowering in CMD Resistant Hybrids Regenerated from in vitro Culture

อนิศรา วงศ์คำ

The flowering of cassava depends on variety and planting environment. The objective of this study was to estimate the flowering of...

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2566 ข้าว

Plant Type of F5 Lines Derived from Cross between Cultivated Rice (Oryza sativa L.) and Wild Rice (O. rufipogon Griff.)

อุบลวรรณ เมืองช้าง

Rice breeding using genetic resources from wild rice is one way to obtain new traits of rice. Since wild rice (Oryza rufipogon Gri...

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2566 กัญชา

Cannabis Seed Setting of Cross and Self Pollination by Using Hermaphrodite Plant

เบญจวรรณ เกลี้ยงกมล

Cannabis, belonging to the Cannabaceae family, exhibits sexual dimorphism, with individuals manifesting as male, female, or hermap...

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2566 ถั่วลิสง

Influence of Plant Spacing on the Growth and Yield of Promising Peanut Line

เมธี เอกตาแสง

Distance between plants and plant population density can affect peanut growth and yield. Thus, this research aims to study the eff...

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2566 ถั่วลิสง

Effect of Potassium Fertilizer on Yield and Yield Components of Large-seeded Peanuts

โกเมน ปาปะกัง

Potassium is the macronutrients necessary for the development of peanut yield. Therefore, this research aims to study the effects...

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2565 ถั่วฟลอริเกรซ

Evaluation of Harvesting Intervals on Growth, Biomass Yield and Some Nutritional Value of Arachis glabrata cv. Florigraze

กขกร น้อยดอนไพร

The objective of this present study was to evaluate of cutting interval on growth, biomass yield and nutritional value of Arachis...

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2565 กัญชง

Yield Comparison of Four Hemp Lines in Indoor Growing System

กมลมาศ แสนโสภาวรรณ

Hemp has high cannabidiol (CBD) content and tetrahydrocannabinol (THC) content of less than 1% (%w/w). Import cultivars from forei...

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2565 ถั่วลิสง

On-farm Yield Trial of Peanut Promising Lines

กิตติศักดิ์ สุทธนู

The objective of this study was to select high-yielding and stable peanut lines by yield testing at the farmer’s fields in the Nor...

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2565 มันจาวมะพร้าว

Effects of Auxin and Carbon Source onto In Vitro Root Induction of Dioscorea alata L.

กุสาวดี พระจันทร์ตรา

In this study the effects of plant growth regulator and carbon sources on the root formation and ex vitro transplantation of Diosc...

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2565 ข้าวโพดเลี้ยงสัตว์

Physiological Responses of Maize Nakhon Sawan 5 Hybrid to Rate and Split Applications of Nitrogen Fertilizer

จันจิรา เพชรศิลา

This study aimed to investigate the effects of nitrogen fertilizer rates and split applications on the growth of maize hybrid Nakh...

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2565 กัญชง/กัญชา

Comparison of Morphological Characteristics of Seven Hemp and Cannabis Varieties with Indoor Growing System

จุฑามาศ อยู่คง

Most Thai hemp and cannabis varieties have relatively low yields and cannabinoids in female inflorescences. Therefore, more new an...

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2565 โสนอัฟริกัน

Sesbania (Sesbania rostrata) Seed Germination Enhancement Using Seed Priming Technique

ชญาดา อารมย์

The characteristic of sesbania seed has a thick and hard seed coat, resulting in a lower percentage germination. Seed enhancement...

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