The diseases of the sweet pea

Abstract

Newark, Delaware fertilizers should be used very judiciously. The aim should be to apply a food that is well balanced, i. e., it should contain the proper amount of nitrogen, phosphorus, potash and lime. Too much of one of these elements and too little of the other will produce disturbances in the metabolism of the plant as will be seen later under the discussion of physiological diseases. For an ordinary garden land, the following is a well balanced fertilizer devised by Prof. T. F. Manns of the Del. Expt. Station. Before plowing a surface application of well rotted manure at the rate of 6 tons per acre is first applied to the soil. After plowing and harrowing the soil, it is furrowed and 5 tons of rotted manure per acre is applied in the furrows. The manure is worked in deep with a spade and the following fertilizer is applied in the furrows *Sodium nitrate 200 lbs. per acre Dried blood 250 lbs. " " Acid phosphate 1200 lbs. " Potassium sulphate 240 lbs. " " Rock phosphate 400 lbs. " " Hydrated lime 200 lbs. " " Carbonate of lime 600 lbs. " " The fertilizer is well mixed up with the soil and the seeds are planted on top and covered to a depth of about two to three inches. Care of the Seeds and Depth of Sowing. Most of the whiteseeded varieties are subject to decay in the soil. Most of the blackseeded varieties are more resistant to soil decay but they do not germinate evenly. In order, therefore, to hasten germination, it is advisable to place the seed in tepid water over night. With this treatment the seeds swell and are ready to be sown the next day. The Rev. W. T. Hutchins, a well-known sweet peas specialist in America, advises the placing of the seed in moist earth for seven or eight days. They are then taken out and examined. The swollen seeds are planted and the hard seeds cut with a knife to hasten germination. Whatever method is used the aim should be to hasten germination in order to prevent the seed from laying too long in the ground and thereby causing decay. The depth of sowing the seeds varies from two to three inches according to the nature of the soil. As to distance, five feet *This mixture was recommended for a very heavy acid soil deficient in organic matter.

Pecan rosette : its histology, cytology, and relation to other cholorotic diseases /

“…Taubenhaus (76) reported experiments in which mosaic of sweet peas was transmitted by insects and by needle inoculations with plant juices. Reddick and Stewart (63,64,75) found mosaic of beans transmissible by rubbing the young leaves of normal seedlings with crushed leaves from mosaic plants and obtained a high percentage of mosaic by sowing seeds from diseased plants.…”

Assessment of Two Newly Introduced Parsley Varieties for Productivity and Quality as Affected by Iron and Magnesium Foliar Application under Upper Egypt Conditions

“…Production of sweet pea and other Leguminosae family is highly affected by damping-off and wilt disease caused by several soil borne fungi including Rhizoctonia solani (Kühn) and Fusarium solani, respectively (Burnchara and Camacho, 2000;El-Mougy, 2001). Taubenhaus (1914) claimed that Fusarium wilt or root rot of sweet pea was caused by a new species to which they tentatively gave the name Fusarium lathyri.…”

Effect of Schinus molle and Schinus terebinthifolius Extracts on Sweet Pea Damping-off

“…Production of sweet pea and other Leguminosae family is highly affected by damping-off and wilt disease caused by several soil borne fungi including Rhizoctonia solani (Kühn) and Fusarium solani, respectively (Burnchara and Camacho, 2000;El-Mougy, 2001). Taubenhaus (1914) claimed that Fusarium wilt or root rot of sweet pea was caused by a new species to which they tentatively gave the name Fusarium lathyri.…”