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Conference

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Thai National AGRIS Centre

This work studied the effects of Fe-EDTA, Fe-DTPA and Fe-EDDHA on yields of sweet corn grown on a calcareous Soil, Takhli series, which was high in pH and low in available iron. The investigation was done in a greenhouse, using a Completely Randomized Design with 3 replications and 10 treatments. The treatments were 3*3 factorial combinations plus control (no Fe application). The two factors w ...

SUBJECT: soil chemicophysical properties; sweet corn; fertilizers; chelating agents; fe-dtpa

Conference

Conference

From:
Thai National AGRIS Centre

This work studied the effects of FeDTPA and FeEDDHA on yield of groundnut grown on Lop Buri series, a calcareous soil, having pH 8.1 and low available Fe content. The experiment was performed in a greenhouse. The design of the experiment was a Completely Randomized Design (CRD) with 3 replications. The treatments consisted of the control (without iron (Fe) fertilizer) and the application of ir ...

SUBJECT: iron sources; soil chemicophysical properties; soil types; fertilizers; calcareous soil

Conference

Conference

From:
Thai National AGRIS Centre

Study on fruit growth of nonbagged and bagged with 9 bagging materials of Annona hybrid cv. Phetch Pakchong was conducted at Pakchong Research Station, Kasetsart University. The bagging materials included Remay, kraft paper, blue net, newsprint, telephone book paper (yellow), Zunfong (yellow and white color) and polyethylene (white and blue color). Bagged fruits showed significant difference i ...

SUBJECT: heat; bagging material; physical control; fruit; phetch pakchong

Conference

Conference

From:
Thai National AGRIS Centre

Five sweet sorghum varieties (Cowley, Rio, Wray, Bj281 and Keller) were screened for insect pest. The experiments were carried out at Chai Nat Field Crops Research Center, between December 2007 and August 2009. It was shown that in the dry season, the least damage of shoot fly (A. soccata Rondani) was observed on Cowley, Wray, Bj281 and Keller varieties with 0.67 and 1.54 percent of plants wit ...

SUBJECT: damage; varieties; atherigona soccata; sweet sorghum; shoot fly

Conference

Conference

From:
Thai National AGRIS Centre

Butea monosperma (Lam.)Taub. is one of the wild woody plant which has beautiful inflorescence. Therefore, it has a high potential to be used as an ornamental plant. Nonetheless, there has no research concerning on micropropagation of this plant. This research was started from surface sterilizing nodal segments of greenhouse-grown plants. Then, the explants were cultured on MS medium supplement ...

SUBJECT: forest trees; root induction; tissue culture; length; iba

Conference

Conference

From:
Thai National AGRIS Centre

Study on Phosphorus Buffer Coefficient (PBC) of 7 sugarcane soils was performed. One of the important variables in phosphorus fertilizer requirement algorithm is PBC. Four extractants, namely, Bray I, Bray II, Mehlich I and Morgan were selected in this study. The results revealed different PBC with different soils and extractants. The PBC's of 7 soils ranged from high to low values as PBC sub( ...

SUBJECT: soil chemicophysical properties; phosphorus buffer coefficient; soil types; bray i; bray ii

Conference

Conference

From:
Thai National AGRIS Centre

Meiotic behavior of Doritis spp. and Doritis hybrids were investigated. It was found that Doritis pulcherrima var. buyssoniana and Doritis pulcherrima had normal synapsis of bivalent meiotic chromosomes in diakinesis with the number of 38 and 19 pairs of bivalents, respectively. In two hybrids, Doritis pulcherrima var. buyssoniana x Doritis pulcherrima and Doritis pulcherrima var. chumpornensi ...

SUBJECT: chromosome pairing; hybrids; orchidaceae; meiosis; doritis

Conference

Conference

From:
Thai National AGRIS Centre

Effects of temperature on insect mortality and the quality of rice were investigated. Rice samples with adults of maize weevil (Sitophilus zeamais) were treated first. For mature stage, the exposure times required to obtain 100 percent insect mortality were 70, 40 and 30 min, for 60, 70 and 80 deg C, respectively. In the case of immature stages, heat treatment at 70 deg C was selected as the o ...

SUBJECT: sitophilus zeamais; stored products pests; heat treatment; sitophilus zeamais; stored products pest control

Conference

Conference

From:
Thai National AGRIS Centre

Efficiency of plant volatile oil was tested for soil microbial control. Volatile oils as eugenol, geraniol, galanga oil extract, synthetic citronella, chinese star anise, clove and fennel oil sweet were individually mixed to culture media as poisoned food at concentration of 250 and 500 ppm. The microbial suspensions from cultivated and non-cultivated soils were used as microbial inoculums. Eu ...

SUBJECT: bacteria; geraniol; soil microorganisms; cymbopogon; eugenol

Conference

Conference

From:
Thai National AGRIS Centre

Study on systematic of Family Araceae in Chaleamrattanakosin National Park, Kanchanaburi province during November 27-28, 2008 and May 15-16, 2009 along the natural study walking ways from the office of Chaleamrattanakosin National Park to Than Thong Water fall, distance 1,500 m., to Than Ngen Waterfall, distance 1,600 m. and to Tri Trueng Waterfall Tier1, distance 1,500 m., the results found 1 ...

SUBJECT: genera; habitats; habitats; plant anatomy; plant propagation